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Bmi‐1 alleviates alveolar bone resorption through the regulation of autophagy Bmi-1 通过调节自噬减轻牙槽骨吸收
IF 4.3 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-09-23 DOI: 10.1002/jper.23-0796
Yiting Chu, Shuying Liu, Lixueer Yan, Aixiu Gong
BackgroundB‐cell‑specific Moloney MLV insertion site‐1(Bmi‐1)is a crucial osteopenic target molecule. The aim of this study is to explore the effects of Bmi‐1 on alveolar bone resorption and the underlying mechanisms in vitro and vivo.MethodsA <jats:italic>Bmi‐1</jats:italic>‐knockout (<jats:italic>Bmi‐1<jats:sup>−/−</jats:sup></jats:italic>) mouse model was used to investigate the effect of Bmi‐1 on alveolar bone metabolism, with micro‐computed tomography imaging, histology, and immunohistochemistry staining. Furthermore, we utilized a ligature‐induced experimental periodontitis model to examine the impact of <jats:italic>Bmi‐1</jats:italic>‐knockdown (<jats:italic>Bmi‐1</jats:italic><jats:sup>±</jats:sup>) on inflammatory alveolar bone resorption. Finally, we stimulated human periodontal ligament stem cells (hPDLSCs) with lipopolysaccharide (LPS) to explore the potential mechanism of Bmi‐1 overexpression in the process of osteogenesis.ResultsCompared with wild‐type mice, <jats:italic>Bmi‐1</jats:italic><jats:sup>−/−</jats:sup> mice demonstrated more alveolar bone resorption by inhibiting osteogenesis, which was characterized by decreases in Runt‐related transcription factor 2 and type 1 collagen formation. In addition, <jats:italic>Bmi‐1<jats:sup>−/−</jats:sup></jats:italic> mice had lower levels of autophagy markers such as Parkin and LC3, but higher levels of inflammation‐related factors such as interleukin (IL)‐6 and IL‐1β in periodontal tissues. In addition, <jats:italic>Bmi‐1</jats:italic>‐knockdown aggravated ligature‐induced alveolar bone loss. Under in vitro inflammatory conditions, Bmi‐1 overexpression stimulated osteoblast differentiation and inhibited the production of inflammatory factors, as well as the autophagy and apoptosis in hPDLSCs stimulated with LPS. When 3‐methyladenine (3‐MA), an autophagy inhibitor, was added, the osteogenic effect of Bmi‐1 was further enhanced.ConclusionsBmi‐1 alleviates alveolar bone resorption by regulating autophagy, indicating that it could be a potential target for periodontitis prevention and treatment.Plain Language SummaryPeriodontitis is a chronic inflammatory disease, which leads to progressive destruction of periodontal tissues, manifested as periodontal pocket formation, loss of periodontal attachment and alveolar bone resorption. Currently, there is a lack of effective treatments to regenerate damaged periodontal tissues. Therefore, it is of great clinical significance to explore new mechanisms of periodontitis and effective intervention targets. B‐cell‑specific Moloney MLV insertion site‐1 (Bmi‐1) is involved in the regulation of the cell cycle, DNA damage repair, autophagy, bone metabolism, tumor, and other physiopathological processes. Autophagy, as an important mechanism of intracellular self‐regulation, plays an indispensable role in the destruction and repair of periodontal tissues. The aim of this study was to investigate the role of Bmi‐1 on periodontal tissues and its intrinsic mec
背景B细胞特异性莫洛尼MLV插入位点-1(Bmi-1)是一种关键的骨质疏松靶分子。本研究的目的是探讨 Bmi-1 对牙槽骨吸收的影响及其在体外和体内的潜在机制。方法 我们利用 Bmi-1 基因剔除(Bmi-1-/-)小鼠模型,通过微型计算机断层扫描成像、组织学和免疫组化染色,研究 Bmi-1 对牙槽骨代谢的影响。此外,我们还利用结扎诱导的实验性牙周炎模型来研究 Bmi-1 敲除(Bmi-1±)对炎性牙槽骨吸收的影响。最后,我们用脂多糖(LPS)刺激人牙周韧带干细胞(hPDLSCs),探索 Bmi-1 过表达在成骨过程中的潜在机制。结果与野生型小鼠相比,Bmi-1-/-小鼠通过抑制成骨表现出更多的牙槽骨吸收,其特征是 Runt 相关转录因子 2 和 1 型胶原形成减少。此外,Bmi-1-/-小鼠的自噬标记物(如 Parkin 和 LC3)水平较低,但牙周组织中的炎症相关因子(如白细胞介素(IL)-6 和 IL-1β)水平较高。此外,Bmi-1基因敲除会加剧结扎诱导的牙槽骨丧失。在体外炎症条件下,Bmi-1 的过表达刺激了成骨细胞的分化,抑制了炎症因子的产生,并抑制了受 LPS 刺激的 hPDLSCs 的自噬和凋亡。结论Bmi-1通过调节自噬减轻牙槽骨吸收,表明它可能是牙周炎预防和治疗的潜在靶点。目前,还缺乏有效的治疗方法来使受损的牙周组织再生。因此,探索牙周炎的新机制和有效的干预靶点具有重要的临床意义。B细胞特异性莫洛尼MLV插入位点-1(Bmi-1)参与细胞周期、DNA损伤修复、自噬、骨代谢、肿瘤等生理病理过程的调控。自噬作为细胞内自我调节的重要机制,在牙周组织的破坏和修复中发挥着不可或缺的作用。本研究旨在探讨 Bmi-1 对牙周组织的作用及其内在机制。结果发现,Bmi-1能调节自噬作用,保护牙周组织,这表明它可能是预防和治疗牙周炎的潜在靶点。
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引用次数: 0
Serum vitamin D concentration is inversely associated with matrix metalloproteinase‐9 level in periodontal diseases 牙周病患者血清维生素 D 浓度与基质金属蛋白酶-9 水平成反比
IF 4.3 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-09-23 DOI: 10.1002/jper.24-0106
Yeşim Ayhan Yıldırım, Ayla Ozturk, Fatma Doğruel, Hatice Saraçoğlu, Cevat Yazıcı
BackgroundThe aim of this study was to investigate the potential association between vitamin D deficiency and matrix metalloproteinase‐9 (MMP‐9) levels in gingival crevicular fluid (GCF) across various periodontal health and disease statuses.MethodsA total of 200 volunteers were divided into two groups according to serum vitamin D concentration (25(OH)D < 10 ng/mL and 25(OH)D ≥ 10 ng/mL). Periodontal health status was determined based on a full‐mouth periodontal examination and radiographic evaluation. Participants in both groups were categorized according to periodontal diagnoses, encompassing periodontal health, gingivitis, and periodontitis. Following sampling, the MMP‐9 levels in GCF were determined by the enzyme‐linked immunosorbent assay (ELISA) method.ResultsThe GCF MMP‐9 levels were found to be higher in individuals with serum 25(OH)D < 10 ng/mL, in both the healthy and gingivitis and periodontitis groups, compared to those with 25(OH)D ≥ 10 ng/mL. Nevertheless, a statistically significant distinction was observed exclusively within the gingivitis and periodontitis groups. Correlation analysis and robust regression analyses provided additional evidence supporting the predictive role of periodontal disease status and vitamin D concentration in local MMP‐9 levels. These associations remained significant after adjusting for age and sex in robust regression analysis (<jats:italic>p</jats:italic> = 0.002). Furthermore, the inclusion of periodontal clinical parameters in the regression analysis revealed notable associations of clinical attachment loss with local MMP‐9 levels, along with periodontal disease status and serum vitamin D concentration (<jats:italic>p</jats:italic> < 0.001).ConclusionThe findings of our study suggest a potential mechanistic relationship between serum vitamin D levels and periodontitis.PLAIN LANGUAGE SUMMARYVitamin D deficiency is a widespread issue globally due to urban living, less outdoor time, seasonal changes, aging, and sunscreen use, leading to inadequate sun exposure. Low vitamin D levels are linked to several health problems, including hypertension, diabetes, heart diseases, and periodontal diseases, which affect the gums and bones around teeth and can cause tooth loss if untreated. Although the link between vitamin D and periodontal disease is unclear, it may involve the enzyme matrix metalloproteinase‐9 (MMP‐9). Our study examined 200 people, dividing them into two groups based on vitamin D levels. We assessed their gum health and measured MMP‐9 levels in their gingival crevicular fluid, a liquid that seeps out from the tiny space between gums and teeth. We found that people with lower vitamin D levels had higher MMP‐9 levels, especially those with gum disease. Our analysis showed that both vitamin D levels and gum health significantly impact MMP‐9 levels, with gum health being the more influential factor. Maintaining good gum health and adequate vitamin D levels is crucial for managing MMP‐9, an e
背景 本研究旨在探讨维生素D缺乏与不同牙周健康和疾病状态下牙龈缝隙液(GCF)中基质金属蛋白酶-9(MMP-9)水平之间的潜在关联。方法 根据血清维生素D浓度(25(OH)D < 10 ng/mL和25(OH)D ≥ 10 ng/mL)将200名志愿者分为两组。牙周健康状况根据全口牙周检查和放射学评估确定。两组参与者均根据牙周诊断进行分类,包括牙周健康、牙龈炎和牙周炎。采样后,采用酶联免疫吸附试验(ELISA)法测定 GCF 中的 MMP-9 含量。结果发现,在健康组、牙龈炎组和牙周炎组中,与血清 25(OH)D≥10 纳克/毫升的人相比,血清 25(OH)D≥10 纳克/毫升的人的 GCF MMP-9 含量更高。然而,仅在牙龈炎和牙周炎组中观察到了统计学上的显著差异。相关性分析和稳健回归分析提供了更多证据,支持牙周病状态和维生素 D 浓度对当地 MMP-9 水平的预测作用。在稳健回归分析中对年龄和性别进行调整后,这些相关性仍然显著(p = 0.002)。此外,将牙周临床参数纳入回归分析后发现,临床附着丧失与局部 MMP-9 水平以及牙周疾病状态和血清维生素 D 浓度都有显著关联(p < 0.001)。维生素 D 含量低与多种健康问题有关,包括高血压、糖尿病、心脏病和牙周病,牙周病会影响牙齿周围的牙龈和骨骼,如不及时治疗会导致牙齿脱落。虽然维生素 D 与牙周病之间的联系尚不清楚,但可能与基质金属蛋白酶-9(MMP-9)有关。我们的研究调查了 200 人,根据维生素 D 水平将他们分为两组。我们评估了他们的牙龈健康状况,并测量了他们牙龈缝隙液(一种从牙龈和牙齿之间的微小空间渗出的液体)中的MMP-9水平。我们发现,维生素 D 水平较低的人 MMP-9 水平较高,尤其是患有牙龈疾病的人。我们的分析表明,维生素 D 水平和牙龈健康都会对 MMP-9 水平产生重大影响,而牙龈健康是影响更大的因素。保持良好的牙龈健康和充足的维生素 D 水平对管理 MMP-9 至关重要,MMP-9 是一种对愈合和炎症期间组织重塑至关重要的酶。然而,过量的 MMP 可能会迅速破坏牙周组织。
{"title":"Serum vitamin D concentration is inversely associated with matrix metalloproteinase‐9 level in periodontal diseases","authors":"Yeşim Ayhan Yıldırım, Ayla Ozturk, Fatma Doğruel, Hatice Saraçoğlu, Cevat Yazıcı","doi":"10.1002/jper.24-0106","DOIUrl":"https://doi.org/10.1002/jper.24-0106","url":null,"abstract":"BackgroundThe aim of this study was to investigate the potential association between vitamin D deficiency and matrix metalloproteinase‐9 (MMP‐9) levels in gingival crevicular fluid (GCF) across various periodontal health and disease statuses.MethodsA total of 200 volunteers were divided into two groups according to serum vitamin D concentration (25(OH)D &lt; 10 ng/mL and 25(OH)D ≥ 10 ng/mL). Periodontal health status was determined based on a full‐mouth periodontal examination and radiographic evaluation. Participants in both groups were categorized according to periodontal diagnoses, encompassing periodontal health, gingivitis, and periodontitis. Following sampling, the MMP‐9 levels in GCF were determined by the enzyme‐linked immunosorbent assay (ELISA) method.ResultsThe GCF MMP‐9 levels were found to be higher in individuals with serum 25(OH)D &lt; 10 ng/mL, in both the healthy and gingivitis and periodontitis groups, compared to those with 25(OH)D ≥ 10 ng/mL. Nevertheless, a statistically significant distinction was observed exclusively within the gingivitis and periodontitis groups. Correlation analysis and robust regression analyses provided additional evidence supporting the predictive role of periodontal disease status and vitamin D concentration in local MMP‐9 levels. These associations remained significant after adjusting for age and sex in robust regression analysis (&lt;jats:italic&gt;p&lt;/jats:italic&gt; = 0.002). Furthermore, the inclusion of periodontal clinical parameters in the regression analysis revealed notable associations of clinical attachment loss with local MMP‐9 levels, along with periodontal disease status and serum vitamin D concentration (&lt;jats:italic&gt;p&lt;/jats:italic&gt; &lt; 0.001).ConclusionThe findings of our study suggest a potential mechanistic relationship between serum vitamin D levels and periodontitis.PLAIN LANGUAGE SUMMARYVitamin D deficiency is a widespread issue globally due to urban living, less outdoor time, seasonal changes, aging, and sunscreen use, leading to inadequate sun exposure. Low vitamin D levels are linked to several health problems, including hypertension, diabetes, heart diseases, and periodontal diseases, which affect the gums and bones around teeth and can cause tooth loss if untreated. Although the link between vitamin D and periodontal disease is unclear, it may involve the enzyme matrix metalloproteinase‐9 (MMP‐9). Our study examined 200 people, dividing them into two groups based on vitamin D levels. We assessed their gum health and measured MMP‐9 levels in their gingival crevicular fluid, a liquid that seeps out from the tiny space between gums and teeth. We found that people with lower vitamin D levels had higher MMP‐9 levels, especially those with gum disease. Our analysis showed that both vitamin D levels and gum health significantly impact MMP‐9 levels, with gum health being the more influential factor. Maintaining good gum health and adequate vitamin D levels is crucial for managing MMP‐9, an e","PeriodicalId":16716,"journal":{"name":"Journal of periodontology","volume":"132 1","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142277060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Behçet's disease modifies the gingival inflammatory response. 贝赫切特病会改变牙龈炎症反应。
IF 4.3 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-09-19 DOI: 10.1002/jper.24-0182
Selin Sahinkaya,Melis Yilmaz,Ekin Yay,Hilal Toygar,Nur Balci,Dursun Dorukhan Altinisik,Zekayi Kutlubay,Alpdogan Kantarci
BACKGROUNDBehçet's disease (BD) pathogenesis involves severe outcomes such as blindness, central nervous system manifestations, and deep venous thrombosis that impacts systemic and local inflammatory changes. We tested the hypothesis that BD negatively affects gingival health and increases the severity of gingivitis.METHODSThe study included 37 BD patients with gingivitis without any sign of periodontitis. Systemically healthy 19 patients with gingivitis (G) and 20 periodontally and systemically healthy individuals (C) were recruited as controls. BD patients were further grouped as stable and unstable based on their responses to BD treatment. Clinical periodontal parameters were measured to determine the impact of BD on gingival health. Serum and saliva levels of ELA-2 (neutrophil elastase-2), SLPI (secretory leukocyte protease inhibitor), α1-AT (alpha1-anti-trypsin), VEGF (vascular endothelial growth factor), IL-6 (interleukin-6), IL-8 (interleukin-8), and TNF-α (tumor necrosis factor alpha) were analyzed using multiplex immunoassay to measure the systemic and local inflammatory impact of BD.RESULTSPlaque index (PI), probing pocket depth (PPD), and bleeding on probing (BOP) were significantly higher in the BD group than in the controls (p < 0.05). IL-6 was higher in both serum and saliva in the BD group than in the G group (p < 0.05). ELA-2 levels in saliva were higher in the stable BD group than in the controls, while TNF-α and SLPI were statistically significantly higher in BD than in the control (p < 0.05). Salivary α1-AT level was statistically lower in the BD group compared to the control group.CONCLUSIONOur study suggested that the gingival inflammatory profile was impaired in patients with BD.
背景贝赫切特病(BD)的发病机制包括严重的后果,如失明、中枢神经系统表现和深静脉血栓形成,这些都会影响全身和局部的炎症变化。我们测试了 BD 对牙龈健康产生负面影响并增加牙龈炎严重程度的假设。19 名全身健康的牙龈炎患者(G)和 20 名牙周和全身健康者(C)作为对照。根据对 BD 治疗的反应,将 BD 患者进一步分为稳定型和不稳定型。测量临床牙周参数以确定 BD 对牙龈健康的影响。使用多重免疫测定法分析血清和唾液中 ELA-2(中性粒细胞弹性蛋白酶-2)、SLPI(分泌型白细胞蛋白酶抑制剂)、α1-AT(α1-抗胰蛋白酶)、VEGF(血管内皮生长因子)、IL-6(白细胞介素-6)、IL-8(白细胞介素-8)和 TNF-α(肿瘤坏死因子α)的水平,以衡量 BD 对全身和局部炎症的影响。结果BD组的水泡指数(PI)、探诊袋深度(PPD)和探诊出血量(BOP)明显高于对照组(P < 0.05)。BD 组血清和唾液中的 IL-6 均高于 G 组(P < 0.05)。BD稳定组唾液中的ELA-2水平高于对照组,而BD组的TNF-α和SLPI在统计学上显著高于对照组(P < 0.05)。结论我们的研究表明,BD 患者的牙龈炎症特征受损。
{"title":"Behçet's disease modifies the gingival inflammatory response.","authors":"Selin Sahinkaya,Melis Yilmaz,Ekin Yay,Hilal Toygar,Nur Balci,Dursun Dorukhan Altinisik,Zekayi Kutlubay,Alpdogan Kantarci","doi":"10.1002/jper.24-0182","DOIUrl":"https://doi.org/10.1002/jper.24-0182","url":null,"abstract":"BACKGROUNDBehçet's disease (BD) pathogenesis involves severe outcomes such as blindness, central nervous system manifestations, and deep venous thrombosis that impacts systemic and local inflammatory changes. We tested the hypothesis that BD negatively affects gingival health and increases the severity of gingivitis.METHODSThe study included 37 BD patients with gingivitis without any sign of periodontitis. Systemically healthy 19 patients with gingivitis (G) and 20 periodontally and systemically healthy individuals (C) were recruited as controls. BD patients were further grouped as stable and unstable based on their responses to BD treatment. Clinical periodontal parameters were measured to determine the impact of BD on gingival health. Serum and saliva levels of ELA-2 (neutrophil elastase-2), SLPI (secretory leukocyte protease inhibitor), α1-AT (alpha1-anti-trypsin), VEGF (vascular endothelial growth factor), IL-6 (interleukin-6), IL-8 (interleukin-8), and TNF-α (tumor necrosis factor alpha) were analyzed using multiplex immunoassay to measure the systemic and local inflammatory impact of BD.RESULTSPlaque index (PI), probing pocket depth (PPD), and bleeding on probing (BOP) were significantly higher in the BD group than in the controls (p < 0.05). IL-6 was higher in both serum and saliva in the BD group than in the G group (p < 0.05). ELA-2 levels in saliva were higher in the stable BD group than in the controls, while TNF-α and SLPI were statistically significantly higher in BD than in the control (p < 0.05). Salivary α1-AT level was statistically lower in the BD group compared to the control group.CONCLUSIONOur study suggested that the gingival inflammatory profile was impaired in patients with BD.","PeriodicalId":16716,"journal":{"name":"Journal of periodontology","volume":"49 1","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142246838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of smoking habit on the subgingival proteome in patients with periodontitis. 吸烟习惯对牙周炎患者龈下蛋白质组的影响。
IF 4.2 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-09-16 DOI: 10.1002/JPER.24-0062
Triana Blanco-Pintos, Alba Regueira-Iglesias, Iryna Kuz, Alba Sánchez-Barco, Noelia Seijas-Otero, María Del Pilar Chantada-Vázquez, Carlos Balsa-Castro, Inmaculada Tomás
<p><strong>Background: </strong>Few investigations evaluated smoking's impact on the periodontal proteome. Therefore, this study aimed to analyse the influence of tobacco on the overall periodontal proteome and the differential expression of gingival crevicular fluid (GCF) proteins using sequential window acquisition of all theoretical mass spectra (SWATH-MS).</p><p><strong>Methods: </strong>GCF samples were collected from 40 periodontitis subjects (stages III-IV). These were separated based on smoking status into smokers (17), ex-smokers (10), and non-smokers (13). Samples were analysed using SWATH-MS, and proteins were identified using the UniProt human-specific database. Data are available via ProteomeXchange with the identifier PXD043474. Principal component analysis (PCA) was employed to examine the spectral mass distribution of the proteome. Protein expression was different for a p-value <0.05 and a log2 fold change ≥0.3 (upregulated) or ≤-0.3 (downregulated).</p><p><strong>Results: </strong>The distribution of overall proteome did not differ between non-smokers, smokers, and ex-smokers. Considering protein expression, 23 were differentially expressed in smokers vs. non-smokers (16 upregulated and 7 downregulated), 17 in ex-smokers vs. non-smokers (2 upregulated and 15 downregulated), and only 8 in smokers vs. ex-smokers (7 upregulated and 1 downregulated). Smoking increased the expression of proteins related to epithelial hyperkeratinization (keratins type II cytoskeletal 4, type I cytoskeletal 13 and type I cytoskeletal 19, cornulin, and fatty acid-binding protein 5). However, multiple immunoglobulins were underexpressed when comparing smokers and ex-smokers to non-smokers.</p><p><strong>Conclusion: </strong>Although smoking does not significantly modify the overall GCF proteome associated with periodontitis, it alters the expression of several proteins compared to never-smokers and ex-smokers.</p><p><strong>Plain language summary: </strong>Smoking is a critical risk factor for the development and progression of periodontitis. However, evidence of the effect of smoking on the subgingival proteome is scarce. Therefore, this study aimed to determine the impact of smoking on the overall proteome and differential expression of gingival crevicular fluid (GCF) proteins using the sequential window acquisition of all theoretical mass spectra (SWATH-MS) proteomic technique. For this purpose, GCF samples were collected from 40 subjects with periodontitis, of which 17 were smokers, 10 were ex-smokers, and 13 were non-smokers. These samples were analysed by SWATH-MS, and proteins were identified using the UniProt human-specific database. Analysis of the overall proteome showed that its distribution was not significantly different between smokers, ex-smokers, and non-smokers. However, several proteins were found to be differentially expressed according to the smoking status. Smoking can increase the expression of several keratins and proteins related
背景:很少有研究评估吸烟对牙周蛋白质组的影响。因此,本研究旨在利用所有理论质谱的顺序窗口采集(SWATH-MS)分析烟草对整体牙周蛋白质组的影响以及牙龈缝隙液(GCF)蛋白质的差异表达:方法:从 40 名牙周炎受试者(III-IV 期)中收集 GCF 样本。这些样本根据吸烟状况分为吸烟者(17 例)、戒烟者(10 例)和非吸烟者(13 例)。使用 SWATH-MS 对样本进行分析,并使用 UniProt 人类特异性数据库对蛋白质进行鉴定。数据可通过 ProteomeXchange 获取,标识符为 PXD043474。采用主成分分析法(PCA)检查蛋白质组的光谱质量分布。蛋白质表达的不同p值 结果:总体蛋白质组的分布在非吸烟者、吸烟者和戒烟者之间没有差异。在蛋白质表达方面,吸烟者与非吸烟者之间有 23 种蛋白质表达存在差异(16 种上调,7 种下调),戒烟者与非吸烟者之间有 17 种蛋白质表达存在差异(2 种上调,15 种下调),而吸烟者与戒烟者之间只有 8 种蛋白质表达存在差异(7 种上调,1 种下调)。吸烟增加了与上皮角化过度有关的蛋白质(角蛋白 II 型细胞骨架 4、I 型细胞骨架 13 和 I 型细胞骨架 19、玉米蛋白和脂肪酸结合蛋白 5)的表达。然而,与非吸烟者相比,吸烟者和戒烟者的多种免疫球蛋白表达不足:尽管吸烟不会明显改变与牙周炎相关的整体 GCF 蛋白体组,但与从不吸烟者和戒烟者相比,吸烟会改变几种蛋白质的表达。然而,有关吸烟对龈下蛋白质组影响的证据却很少。因此,本研究旨在利用所有理论质谱的顺序窗口获取(SWATH-MS)蛋白质组学技术,确定吸烟对总体蛋白质组和牙龈缝液(GCF)蛋白质差异表达的影响。为此,研究人员收集了 40 名牙周炎患者的牙龈龈沟液样本,其中 17 人为吸烟者,10 人为戒烟者,13 人为非吸烟者。采用 SWATH-MS 对这些样本进行了分析,并使用 UniProt 人类特异性数据库对蛋白质进行了鉴定。对整体蛋白质组的分析表明,吸烟者、戒烟者和非吸烟者之间的蛋白质分布没有明显差异。不过,有几种蛋白质的表达因吸烟状态而异。吸烟会增加几种角蛋白和与上皮过度角化有关的蛋白质的表达。然而,在戒烟者中,这些蛋白的表达水平会恢复到与非吸烟者相似的水平。此外,吸烟可能会降低与适应性免疫有关的蛋白质(如免疫球蛋白)的表达量。这种免疫抑制作用在戒烟者身上可能会持续存在。
{"title":"Impact of smoking habit on the subgingival proteome in patients with periodontitis.","authors":"Triana Blanco-Pintos, Alba Regueira-Iglesias, Iryna Kuz, Alba Sánchez-Barco, Noelia Seijas-Otero, María Del Pilar Chantada-Vázquez, Carlos Balsa-Castro, Inmaculada Tomás","doi":"10.1002/JPER.24-0062","DOIUrl":"https://doi.org/10.1002/JPER.24-0062","url":null,"abstract":"&lt;p&gt;&lt;strong&gt;Background: &lt;/strong&gt;Few investigations evaluated smoking's impact on the periodontal proteome. Therefore, this study aimed to analyse the influence of tobacco on the overall periodontal proteome and the differential expression of gingival crevicular fluid (GCF) proteins using sequential window acquisition of all theoretical mass spectra (SWATH-MS).&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Methods: &lt;/strong&gt;GCF samples were collected from 40 periodontitis subjects (stages III-IV). These were separated based on smoking status into smokers (17), ex-smokers (10), and non-smokers (13). Samples were analysed using SWATH-MS, and proteins were identified using the UniProt human-specific database. Data are available via ProteomeXchange with the identifier PXD043474. Principal component analysis (PCA) was employed to examine the spectral mass distribution of the proteome. Protein expression was different for a p-value &lt;0.05 and a log2 fold change ≥0.3 (upregulated) or ≤-0.3 (downregulated).&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Results: &lt;/strong&gt;The distribution of overall proteome did not differ between non-smokers, smokers, and ex-smokers. Considering protein expression, 23 were differentially expressed in smokers vs. non-smokers (16 upregulated and 7 downregulated), 17 in ex-smokers vs. non-smokers (2 upregulated and 15 downregulated), and only 8 in smokers vs. ex-smokers (7 upregulated and 1 downregulated). Smoking increased the expression of proteins related to epithelial hyperkeratinization (keratins type II cytoskeletal 4, type I cytoskeletal 13 and type I cytoskeletal 19, cornulin, and fatty acid-binding protein 5). However, multiple immunoglobulins were underexpressed when comparing smokers and ex-smokers to non-smokers.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Conclusion: &lt;/strong&gt;Although smoking does not significantly modify the overall GCF proteome associated with periodontitis, it alters the expression of several proteins compared to never-smokers and ex-smokers.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Plain language summary: &lt;/strong&gt;Smoking is a critical risk factor for the development and progression of periodontitis. However, evidence of the effect of smoking on the subgingival proteome is scarce. Therefore, this study aimed to determine the impact of smoking on the overall proteome and differential expression of gingival crevicular fluid (GCF) proteins using the sequential window acquisition of all theoretical mass spectra (SWATH-MS) proteomic technique. For this purpose, GCF samples were collected from 40 subjects with periodontitis, of which 17 were smokers, 10 were ex-smokers, and 13 were non-smokers. These samples were analysed by SWATH-MS, and proteins were identified using the UniProt human-specific database. Analysis of the overall proteome showed that its distribution was not significantly different between smokers, ex-smokers, and non-smokers. However, several proteins were found to be differentially expressed according to the smoking status. Smoking can increase the expression of several keratins and proteins related ","PeriodicalId":16716,"journal":{"name":"Journal of periodontology","volume":" ","pages":""},"PeriodicalIF":4.2,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142289685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
AAP President's Address* AAP 主席致辞*
IF 4.2 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-09-14 DOI: 10.1002/JPER.24-0190
David K. Okano
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引用次数: 0
B10 cells regulate macrophage polarization to alleviate inflammation and bone loss in periodontitis B10 细胞调节巨噬细胞极化,缓解牙周炎的炎症和骨质流失
IF 4.3 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-08-30 DOI: 10.1002/jper.24-0114
Guoqin Cao, Qiuping Xu, Shengyuan Huang, Dong Dai, Jilei Wang, Wei Li, Yue Zhao, Jiang Lin, Xiaozhe Han
BackgroundThe polarization of macrophages into an anti‐inflammatory phenotype is crucial for resolving periodontal inflammation. It has been reported that B10 cells can regulate the immune response of macrophages during inflammation and are also able to regulate inflammation in periodontitis. However, whether B10 cells’ regulation function in periodontitis is related to macrophage polarization remains unclear. This study aims to investigate whether B10 cells can regulate macrophage polarization in periodontitis.MethodsMacrophages were cocultured with B10 cells in vitro for 5 days. After coculture, macrophages were obtained for analysis directly or followed by stimulation with Pg‐LPS/IFN‐γ or IL‐4/IL‐13. Flow cytometry and/or reverse transcriptase‐polymerase chain reaction (RT‐PCR) were employed to detect the expression of IL‐1β, iNOS, TNF‐α, CD206, and ARG‐1 in macrophages. B10 cells were transferred on the 5th day after ligation in wild or macrophage‐depletion mice. Toluidine blue and TRAP staining were used to evaluate alveolar bone resorption and osteoclast activation. Immunohistochemistry was employed to detect the expression of CD68, IL‐1β, TNF‐α, iNOS, ARG‐1, and IL‐10. Immunofluorescence was used to detect the expression of CD68+CD86+M1 macrophages and CD68+CD206+M2 macrophages.ResultsIn vitro, B10 cells inhibit the expression of IL‐1β, iNOS, and TNF‐α in macrophages while increasing the expression of CD206 and ARG‐1. In experimental periodontitis, B10 cells inhibit the polarization of CD68+CD86+M1 macrophages and iNOS expression but enhance the polarization of CD68+CD206+M2 macrophages and ARG‐1 expression. Importantly, the depletion of macrophages partially weakened the regulation function of B10 cells in periodontitis.ConclusionsB10 cells promote M2 macrophage polarization, inhibit M1 macrophage polarization in periodontitis, and alleviate periodontitis partially by regulating macrophage polarization.
背景巨噬细胞极化为抗炎表型对解决牙周炎症至关重要。有报道称,B10 细胞能在炎症期间调节巨噬细胞的免疫反应,也能在牙周炎中调节炎症。然而,B10细胞在牙周炎中的调节功能是否与巨噬细胞极化有关仍不清楚。本研究旨在探讨B10细胞能否调控牙周炎中巨噬细胞的极化。方法将巨噬细胞与 B10 细胞体外共培养 5 天,共培养后直接或在 Pg-LPS/IFN-γ 或 IL-4/IL-13 刺激下获得巨噬细胞进行分析。采用流式细胞术和/或逆转录聚合酶链反应(RT-PCR)检测巨噬细胞中IL-1β、iNOS、TNF-α、CD206和ARG-1的表达。野生小鼠或巨噬细胞缺失小鼠在结扎后第 5 天转移 B10 细胞。甲苯胺蓝和TRAP染色用于评估牙槽骨吸收和破骨细胞活化。免疫组化用于检测 CD68、IL-1β、TNF-α、iNOS、ARG-1 和 IL-10 的表达。结果在体外,B10 细胞抑制巨噬细胞中 IL-1β、iNOS 和 TNF-α 的表达,同时增加 CD206 和 ARG-1 的表达。在实验性牙周炎中,B10细胞抑制了CD68+CD86+M1巨噬细胞的极化和iNOS的表达,但增强了CD68+CD206+M2巨噬细胞的极化和ARG-1的表达。结论 B10细胞在牙周炎中促进M2巨噬细胞极化,抑制M1巨噬细胞极化,并通过调节巨噬细胞极化部分缓解牙周炎。
{"title":"B10 cells regulate macrophage polarization to alleviate inflammation and bone loss in periodontitis","authors":"Guoqin Cao, Qiuping Xu, Shengyuan Huang, Dong Dai, Jilei Wang, Wei Li, Yue Zhao, Jiang Lin, Xiaozhe Han","doi":"10.1002/jper.24-0114","DOIUrl":"https://doi.org/10.1002/jper.24-0114","url":null,"abstract":"BackgroundThe polarization of macrophages into an anti‐inflammatory phenotype is crucial for resolving periodontal inflammation. It has been reported that B10 cells can regulate the immune response of macrophages during inflammation and are also able to regulate inflammation in periodontitis. However, whether B10 cells’ regulation function in periodontitis is related to macrophage polarization remains unclear. This study aims to investigate whether B10 cells can regulate macrophage polarization in periodontitis.MethodsMacrophages were cocultured with B10 cells in vitro for 5 days. After coculture, macrophages were obtained for analysis directly or followed by stimulation with Pg‐LPS/IFN‐γ or IL‐4/IL‐13. Flow cytometry and/or reverse transcriptase‐polymerase chain reaction (RT‐PCR) were employed to detect the expression of IL‐1β, iNOS, TNF‐α, CD206, and ARG‐1 in macrophages. B10 cells were transferred on the 5th day after ligation in wild or macrophage‐depletion mice. Toluidine blue and TRAP staining were used to evaluate alveolar bone resorption and osteoclast activation. Immunohistochemistry was employed to detect the expression of CD68, IL‐1β, TNF‐α, iNOS, ARG‐1, and IL‐10. Immunofluorescence was used to detect the expression of CD68<jats:sup>+</jats:sup>CD86<jats:sup>+</jats:sup>M1 macrophages and CD68<jats:sup>+</jats:sup>CD206<jats:sup>+</jats:sup>M2 macrophages.ResultsIn vitro, B10 cells inhibit the expression of IL‐1β, iNOS, and TNF‐α in macrophages while increasing the expression of CD206 and ARG‐1. In experimental periodontitis, B10 cells inhibit the polarization of CD68<jats:sup>+</jats:sup>CD86<jats:sup>+</jats:sup>M1 macrophages and iNOS expression but enhance the polarization of CD68<jats:sup>+</jats:sup>CD206<jats:sup>+</jats:sup>M2 macrophages and ARG‐1 expression. Importantly, the depletion of macrophages partially weakened the regulation function of B10 cells in periodontitis.ConclusionsB10 cells promote M2 macrophage polarization, inhibit M1 macrophage polarization in periodontitis, and alleviate periodontitis partially by regulating macrophage polarization.","PeriodicalId":16716,"journal":{"name":"Journal of periodontology","volume":"23 1","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142100673","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lipocalin-2 as a fundamental protein in type 2 diabetes and periodontitis in mice. 脂联素-2 是 2 型糖尿病和小鼠牙周炎的基本蛋白。
IF 4.2 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-08-27 DOI: 10.1002/JPER.24-0215
Diana Laura Sólis-Suarez, Saúl Ernesto Cifuentes-Mendiola, Patricia González-Alva, Adriana Patricia Rodríguez-Hernández, Arnulfo Martínez-Dávalos, Fulgencio Eduardo Llamosas-Hernandez, Marycarmen Godínez-Victoria, Ana Lilia García-Hernández
<p><strong>Background: </strong>Lipocalin-2 (LCN-2) is an osteokine that suppresses appetite, stimulates insulin secretion, regulates bone remodeling, and is induced by proinflammatory cytokines. The aim of this work was to investigate the participation of LCN-2 in periodontitis associated with type 2 diabetes (T2D) by evaluating alveolar bone loss, glycemic control, inflammation, and femur fragility.</p><p><strong>Methods: </strong>A murine model of periodontitis with T2D and elevated LCN-2 concentration was used. Functional LCN-2 inhibition was achieved using an anti-LCN-2 polyclonal antibody, and isotype immunoglobulin G was used as a control. The alveolar bone and femur were evaluated by micro-CT. Glucose metabolism was determined. Tumor necrosis factor (TNF-α) and receptor activator of nuclear factor kappa-B ligand (RANKL) levels in alveolar bone lysates were quantified using ELISA, and serum cytokines were quantified using flow cytometry. A three-point bending test was performed in the femur, and RANKL levels were measured in femur lysates using ELISA.</p><p><strong>Results: </strong>Functional inhibition of LCN-2 in T2D-periodontitis mice decreased alveolar bone loss in buccal and palatal surfaces and preserved the microarchitecture of the remaining bone, decreased TNF-α and RANKL in alveolar bone, reduced hyperglycemia, glucose intolerance, and insulin resistance, and increased insulin production through improving the functionality of pancreatic β cells. Furthermore, this inhibition increased serum free-glycerol levels, decreased serum interleukin (IL)-6, increased serum IL-4, and reduced femur fragility and RANKL expression in the femur.</p><p><strong>Conclusions: </strong>LCN-2 participates in periodontitis associated with T2D. Inhibiting its function in mice with T2D and periodontitis improves pancreatic β-cell function, and glucose metabolism and decreases inflammatory cytokines and bone-RANKL levels, which results in the preservation of femoral and alveolar bone microarchitecture.</p><p><strong>Plain language summary: </strong>In this study, we explored the role of a bone protein known as lipocalin-2 (LCN-2) in the connection between periodontitis and type 2 diabetes (T2D). Periodontitis is a destructive gum and alveolar bone disease. LCN-2 levels are increased in both T2D and periodontitis. Using a mouse model of T2D with periodontitis, we examined how blocking LCN-2 function affected various aspects of these two diseases. We found that this inhibition led to significant improvements. First, it reduced alveolar bone loss and preserved bone structure by decreasing local inflammation and bone resorption. Second, it improved glucose and lipid metabolism, leading to better blood-sugar control and decreased insulin resistance. Blocking the functions of LCN-2 also decreased systemic inflammation throughout the body and strengthened bone integrity. Overall, our results suggest that LCN-2 plays a crucial role in the periodontitis associated
背景:脂联素-2(LCN-2)是一种骨生成素,可抑制食欲、刺激胰岛素分泌、调节骨重塑,并由促炎细胞因子诱导。本研究旨在通过评估牙槽骨损失、血糖控制、炎症和股骨脆性,研究 LCN-2 在与 2 型糖尿病(T2D)相关的牙周炎中的参与情况:方法:使用了一种伴有 T2D 和 LCN-2 浓度升高的小鼠牙周炎模型。使用抗 LCN-2 多克隆抗体抑制 LCN-2 的功能,并使用同种型免疫球蛋白 G 作为对照。通过显微 CT 对牙槽骨和股骨进行评估。测定葡萄糖代谢。采用酶联免疫吸附法对肺泡骨裂解液中的肿瘤坏死因子(TNF-α)和核因子卡巴-B配体受体激活剂(RANKL)水平进行量化,并采用流式细胞术对血清细胞因子进行量化。在股骨中进行了三点弯曲试验,并用酶联免疫吸附法测定了股骨裂解物中的 RANKL 水平:结果:在T2D-牙周炎小鼠体内对LCN-2进行功能性抑制,可减少颊面和腭面的牙槽骨损失,并保护剩余骨的微观结构,减少牙槽骨中的TNF-α和RANKL,降低高血糖、葡萄糖不耐受和胰岛素抵抗,并通过改善胰腺β细胞的功能增加胰岛素分泌。此外,这种抑制还能提高血清游离甘油水平,降低血清白细胞介素(IL)-6,增加血清IL-4,降低股骨脆性和股骨中RANKL的表达:结论:LCN-2参与了与T2D相关的牙周炎。在患有 T2D 和牙周炎的小鼠体内抑制其功能,可改善胰腺 β 细胞功能和葡萄糖代谢,降低炎性细胞因子和骨 RANKL 水平,从而保护股骨和牙槽骨的微结构。牙周炎是一种破坏性牙龈和牙槽骨疾病。在 T2D 和牙周炎中,LCN-2 的水平都会升高。我们利用小鼠 T2D 和牙周炎模型,研究了阻断 LCN-2 功能对这两种疾病各方面的影响。我们发现,这种抑制作用带来了显著的改善。首先,它通过减少局部炎症和骨吸收,减少了牙槽骨流失并保护了骨结构。其次,它改善了葡萄糖和脂质代谢,从而改善了血糖控制并降低了胰岛素抵抗。阻断 LCN-2 的功能还能减少全身炎症,增强骨的完整性。总之,我们的研究结果表明,LCN-2 在与 T2D 相关的牙周炎中起着至关重要的作用。通过抑制 LCN-2 的功能,我们能够改善胰腺功能、改善葡萄糖代谢、减少炎症并增强骨骼健康。以 LCN-2 为靶点可能是解决 T2D 和牙周炎有害影响的一种有前途的策略。
{"title":"Lipocalin-2 as a fundamental protein in type 2 diabetes and periodontitis in mice.","authors":"Diana Laura Sólis-Suarez, Saúl Ernesto Cifuentes-Mendiola, Patricia González-Alva, Adriana Patricia Rodríguez-Hernández, Arnulfo Martínez-Dávalos, Fulgencio Eduardo Llamosas-Hernandez, Marycarmen Godínez-Victoria, Ana Lilia García-Hernández","doi":"10.1002/JPER.24-0215","DOIUrl":"https://doi.org/10.1002/JPER.24-0215","url":null,"abstract":"&lt;p&gt;&lt;strong&gt;Background: &lt;/strong&gt;Lipocalin-2 (LCN-2) is an osteokine that suppresses appetite, stimulates insulin secretion, regulates bone remodeling, and is induced by proinflammatory cytokines. The aim of this work was to investigate the participation of LCN-2 in periodontitis associated with type 2 diabetes (T2D) by evaluating alveolar bone loss, glycemic control, inflammation, and femur fragility.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Methods: &lt;/strong&gt;A murine model of periodontitis with T2D and elevated LCN-2 concentration was used. Functional LCN-2 inhibition was achieved using an anti-LCN-2 polyclonal antibody, and isotype immunoglobulin G was used as a control. The alveolar bone and femur were evaluated by micro-CT. Glucose metabolism was determined. Tumor necrosis factor (TNF-α) and receptor activator of nuclear factor kappa-B ligand (RANKL) levels in alveolar bone lysates were quantified using ELISA, and serum cytokines were quantified using flow cytometry. A three-point bending test was performed in the femur, and RANKL levels were measured in femur lysates using ELISA.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Results: &lt;/strong&gt;Functional inhibition of LCN-2 in T2D-periodontitis mice decreased alveolar bone loss in buccal and palatal surfaces and preserved the microarchitecture of the remaining bone, decreased TNF-α and RANKL in alveolar bone, reduced hyperglycemia, glucose intolerance, and insulin resistance, and increased insulin production through improving the functionality of pancreatic β cells. Furthermore, this inhibition increased serum free-glycerol levels, decreased serum interleukin (IL)-6, increased serum IL-4, and reduced femur fragility and RANKL expression in the femur.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Conclusions: &lt;/strong&gt;LCN-2 participates in periodontitis associated with T2D. Inhibiting its function in mice with T2D and periodontitis improves pancreatic β-cell function, and glucose metabolism and decreases inflammatory cytokines and bone-RANKL levels, which results in the preservation of femoral and alveolar bone microarchitecture.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Plain language summary: &lt;/strong&gt;In this study, we explored the role of a bone protein known as lipocalin-2 (LCN-2) in the connection between periodontitis and type 2 diabetes (T2D). Periodontitis is a destructive gum and alveolar bone disease. LCN-2 levels are increased in both T2D and periodontitis. Using a mouse model of T2D with periodontitis, we examined how blocking LCN-2 function affected various aspects of these two diseases. We found that this inhibition led to significant improvements. First, it reduced alveolar bone loss and preserved bone structure by decreasing local inflammation and bone resorption. Second, it improved glucose and lipid metabolism, leading to better blood-sugar control and decreased insulin resistance. Blocking the functions of LCN-2 also decreased systemic inflammation throughout the body and strengthened bone integrity. Overall, our results suggest that LCN-2 plays a crucial role in the periodontitis associated","PeriodicalId":16716,"journal":{"name":"Journal of periodontology","volume":" ","pages":""},"PeriodicalIF":4.2,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142073067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Histological and immunohistochemical soft-tissue response to cylindrical and concave abutments: Multicenter randomized clinical trial. 组织学和免疫组化软组织对圆柱形和凹形基台的反应:多中心随机临床试验。
IF 4.2 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-08-26 DOI: 10.1002/JPER.24-0250
Fabio Camacho-Alonso, Juan Carlos Bernabeu-Mira, Joaquín Sánchez, Antonio Julián Buendía, Ana María Mercado-Díaz, Mario Pérez-Sayáns, Alba Pérez-Jardón, José Manuel Somoza Martín, Javier Montero, Cristina Gomez-Polo, Norberto Quispe-López, David Peñarrocha-Oltra
<p><strong>Background: </strong>This study aimed to analyze the influence of concave and cylindrical abutments on peri-implant soft tissue. Dimensions, collagen fiber orientation, and immunohistochemical data were assessed.</p><p><strong>Methods: </strong>A multicenter, split-mouth, double-blind randomized clinical trial was conducted. Two groups were analyzed: cylindrical abutments and concave abutments. After a 12-week healing period, peri-implant soft tissue samples were collected, processed, and evaluated for dimensions, collagen fiber orientation, and immunohistochemical data. Inflammatory infiltration and vascularization were assessed, and the abutment surfaces were analyzed using scanning electron microscopy. The statistical analysis was performed using the SPSS version 20.0 statistical package.</p><p><strong>Results: </strong>A total of 74 samples in 37 patients were evaluated. Histological evaluation of peri-implant soft tissue dimensions revealed significant differences between concave and cylindrical abutments. Concave abutments exhibited greater total height (concave: 3.57 ± 0.28 - cylindrical: 2.95 ± 0.27) and barrier epithelium extension (concave: 2.46 ± 0.17 - cylindrical: 1.89 ± 0.21) (p < 0.05), while the supracrestal connective tissue extension (concave: 1.11 ± 0.17 - cylindrical: 1.03 ± 0.16) was slightly greater (p > 0.05). Collagen fiber orientation favored concave abutments (23.76 ± 5.86), with significantly more transverse/perpendicular fibers than for cylindrical abutments (15.68 ± 4.57). The immunohistochemical analysis evidenced greater inflammatory and vascular intensity in the lower portion for both abutments, though concave abutments showed lower overall intensity (concave: 1.05 ± 0.78 - cylindrical: 1.97 ± 0.68) (p < 0.05). The abutment surface analysis demonstrated a higher percentage of tissue remnants on concave abutments (42.47 ± 1.32; 45.12 ± 3.03) (p < 0.05).</p><p><strong>Conclusions: </strong>Within the limitations of this study, concave abutments presented significantly greater peri-implant tissue height, linked to an extended barrier epithelium, versus cylindrical abutments in thick tissue phenotype. This enhanced soft tissue sealing, favoring a greater percentage of transversely oriented collagen fibers. The concave design reduced chronic inflammatory exudation with T and B cells, thus minimizing the risk of chronic inflammation.</p><p><strong>Plain language summary: </strong>This study looked at how 2 different shapes of dental implant abutments (the parts that connect the implant to the crown), specifically concave and cylindrical, affect the soft tissue around the implants. We wanted to see how these shapes influenced the tissue's size, structure, and health. We conducted a clinical trial with 37 patients, comparing the 2 types of abutments in the same mouth over 12 weeks. Our findings showed that the concave abutments led to a taller and more extensive layer of protective tissue around the implant comp
背景:本研究旨在分析凹基台和圆柱基台对种植体周围软组织的影响。对尺寸、胶原纤维方向和免疫组化数据进行了评估:进行了一项多中心、分口、双盲随机临床试验。分析对象分为两组:圆柱基台和凹基台。经过 12 周的愈合期后,收集、处理种植体周围软组织样本,并对其尺寸、胶原纤维方向和免疫组化数据进行评估。对炎症浸润和血管化进行评估,并使用扫描电子显微镜对基台表面进行分析。统计分析使用 SPSS 20.0 版统计软件包进行:结果:共对 37 名患者的 74 个样本进行了评估。对种植体周围软组织尺寸的组织学评估显示,凹基台和圆柱基台之间存在显著差异。凹形基台的总高度(凹形:3.57 ± 0.28 - 圆柱形:2.95 ± 0.27)和屏障上皮的扩展(凹形:2.46 ± 0.17 - 圆柱形:1.89 ± 0.21)更大(P 0.05)。凹形基台的胶原纤维取向更佳(23.76 ± 5.86),横向/垂直纤维明显多于圆柱形基台(15.68 ± 4.57)。免疫组化分析表明,两种基台下部的炎症和血管强度都较高,但凹面基台的总体强度较低(凹面:1.05 ± 0.78 - 圆柱面:1.97 ± 0.68)(p 结论:凹面基台和圆柱面基台的炎症和血管强度都较高:在本研究的限制条件下,凹基台与圆柱基台相比,在厚组织表型中,凹基台的种植体周围组织高度明显更高,这与扩展的屏障上皮有关。这增强了软组织的密封性,有利于增加横向胶原纤维的比例。凹形设计减少了T细胞和B细胞的慢性炎症渗出,从而将慢性炎症的风险降至最低。白话摘要:本研究观察了两种不同形状的种植体基台(连接种植体和牙冠的部分),特别是凹形和圆柱形基台对种植体周围软组织的影响。我们想知道这些形状对组织的大小、结构和健康有什么影响。我们对 37 名患者进行了临床试验,在 12 周内对同一口腔中的两种基台进行了比较。我们的研究结果表明,与圆柱形基台相比,凹形基台能在种植体周围形成更高更广泛的保护组织层。这种保护组织具有更有利的胶原纤维取向,这对组织的强度和健康非常重要。此外,凹基台的炎症更少,组织整合性更好。总之,凹基台可以为种植牙周围的软组织提供更好的支持和健康,降低慢性炎症的风险,并有可能为种植牙患者带来更好的长期疗效。
{"title":"Histological and immunohistochemical soft-tissue response to cylindrical and concave abutments: Multicenter randomized clinical trial.","authors":"Fabio Camacho-Alonso, Juan Carlos Bernabeu-Mira, Joaquín Sánchez, Antonio Julián Buendía, Ana María Mercado-Díaz, Mario Pérez-Sayáns, Alba Pérez-Jardón, José Manuel Somoza Martín, Javier Montero, Cristina Gomez-Polo, Norberto Quispe-López, David Peñarrocha-Oltra","doi":"10.1002/JPER.24-0250","DOIUrl":"https://doi.org/10.1002/JPER.24-0250","url":null,"abstract":"&lt;p&gt;&lt;strong&gt;Background: &lt;/strong&gt;This study aimed to analyze the influence of concave and cylindrical abutments on peri-implant soft tissue. Dimensions, collagen fiber orientation, and immunohistochemical data were assessed.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Methods: &lt;/strong&gt;A multicenter, split-mouth, double-blind randomized clinical trial was conducted. Two groups were analyzed: cylindrical abutments and concave abutments. After a 12-week healing period, peri-implant soft tissue samples were collected, processed, and evaluated for dimensions, collagen fiber orientation, and immunohistochemical data. Inflammatory infiltration and vascularization were assessed, and the abutment surfaces were analyzed using scanning electron microscopy. The statistical analysis was performed using the SPSS version 20.0 statistical package.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Results: &lt;/strong&gt;A total of 74 samples in 37 patients were evaluated. Histological evaluation of peri-implant soft tissue dimensions revealed significant differences between concave and cylindrical abutments. Concave abutments exhibited greater total height (concave: 3.57 ± 0.28 - cylindrical: 2.95 ± 0.27) and barrier epithelium extension (concave: 2.46 ± 0.17 - cylindrical: 1.89 ± 0.21) (p &lt; 0.05), while the supracrestal connective tissue extension (concave: 1.11 ± 0.17 - cylindrical: 1.03 ± 0.16) was slightly greater (p &gt; 0.05). Collagen fiber orientation favored concave abutments (23.76 ± 5.86), with significantly more transverse/perpendicular fibers than for cylindrical abutments (15.68 ± 4.57). The immunohistochemical analysis evidenced greater inflammatory and vascular intensity in the lower portion for both abutments, though concave abutments showed lower overall intensity (concave: 1.05 ± 0.78 - cylindrical: 1.97 ± 0.68) (p &lt; 0.05). The abutment surface analysis demonstrated a higher percentage of tissue remnants on concave abutments (42.47 ± 1.32; 45.12 ± 3.03) (p &lt; 0.05).&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Conclusions: &lt;/strong&gt;Within the limitations of this study, concave abutments presented significantly greater peri-implant tissue height, linked to an extended barrier epithelium, versus cylindrical abutments in thick tissue phenotype. This enhanced soft tissue sealing, favoring a greater percentage of transversely oriented collagen fibers. The concave design reduced chronic inflammatory exudation with T and B cells, thus minimizing the risk of chronic inflammation.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Plain language summary: &lt;/strong&gt;This study looked at how 2 different shapes of dental implant abutments (the parts that connect the implant to the crown), specifically concave and cylindrical, affect the soft tissue around the implants. We wanted to see how these shapes influenced the tissue's size, structure, and health. We conducted a clinical trial with 37 patients, comparing the 2 types of abutments in the same mouth over 12 weeks. Our findings showed that the concave abutments led to a taller and more extensive layer of protective tissue around the implant comp","PeriodicalId":16716,"journal":{"name":"Journal of periodontology","volume":" ","pages":""},"PeriodicalIF":4.2,"publicationDate":"2024-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142055884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Combined application of Er:YAG laser and low-level laser in non-surgical treatment of periodontitis. 在牙周炎的非手术治疗中联合应用 Er:YAG 激光和低强度激光。
IF 4.2 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-08-26 DOI: 10.1002/JPER.24-0128
Zhexian Cheng, Wei Li, Jitian Wang, Xuan Huang, Xingyuan Jia, Xuan Zhou
<p><strong>Background: </strong>To compare the efficacy of combined treatment of Er:YAG laser (ERL) and low-level laser therapy (LLLT) with single laser applications, and scaling and root planing (SRP) for non-surgical periodontal treatment.</p><p><strong>Methods: </strong>In a randomized controlled trial, 25 non-smoking Stage II or Stage III periodontitis patients were recruited. The four intraoral quadrants were randomly assigned to four different treatments: (1) combined application with ERL plus SRP plus LLLT; (2) ERL plus SRP; (3) SRP plus LLLT; and (4) SRP. We assessed periodontal indexes, including probing depth (PD), clinical attachment level (CAL), bleeding index (BI), and plaque index (PLI), along with three cytokines (IL-1β, TNF-α, IL-10) from gingival crevicular fluid and red complex pathogens from subgingival dental plaque at baseline, 3 months, and 6 months.</p><p><strong>Results: </strong>For initial moderate pockets (4 mm ≤ PD ≤ 6 mm), quadrants treated with ERL+SRP+LLLT, ERL+SRP, and SRP+LLLT exhibited greater PD improvement compared to the control (SRP) quadrants at the 3-month follow-up (1.25 ± 1.06, 1.23 ± 1.12, 1.00 ± 1.21 vs. 0.98 ± 1.21 mm) and the 6-month follow-up (1.35 ± 1.06, 1.23 ± 1.17, 1.35 ± 0.98 vs. 0.98 ± 1.23 mm) (p = 0.002). Quadrants treated with ERL+SRP+LLLT and SRP+LLLT showed more CAL gain means than the control quadrants at the 3-month follow-up (0.96 ± 1.42, 0.61 ± 1.39 vs. 0.55 ± 1.57 mm) and the 6-month follow-up (0.84 ± 1.54, 0.89 ± 1.49 vs. 0.48 ± 1.68 mm) (p = 0.008). For initial deep pockets (PD ≥ 7 mm), the ERL+SRP+LLLT quadrants had more PD improvement and CAL gain compared to the control quadrants at follow-up. There were no significant differences in BI, PLI, inflammatory cytokines, and periodontal pathogens among the four groups.</p><p><strong>Conclusion: </strong>The combined application of ERL and LLLT demonstrated potential efficacy in reducing PD, particularly for deep pockets.</p><p><strong>Plain language summary: </strong>To compare the therapy effect of combined use of Er:YAG laser (ERL) and low level laser therapy (LLLT) with single laser applications, and traditional periodontal treatment (SRP). A total of 25 non smoking patients with periodontitis were involved, and their mouths were divided into four sections, each receiving a different treatment: ERL+SRP+LLLT, ERL+SRP, SRP+LLLT, and SRP. Clinical indexes and laboratory indicators were assessed at baseline, 3 months, and 6 months. After six months, for initial moderate pockets, combined laser group and single laser group showed better improvements than traditional group in reducing the depth of periodontal pockets and increasing attachment levels. But for initial deep pockets, only combined laser group showed better improvement than traditional group. There were no significant differences in bleeding, plaque, inflammation, or harmful bacterial levels among the groups. These findings suggest that the integration of Er:YAG laser and low
背景:比较Er:YAG激光(ERL)和低强度激光疗法(LLLT)联合治疗与单一激光应用以及洗牙和根面平整(SRP)用于非手术牙周治疗的疗效:在一项随机对照试验中,招募了 25 名非吸烟的二期或三期牙周炎患者。口内四个象限被随机分配到四种不同的治疗方法中:(1)ERL+SRP+LLLT联合应用;(2)ERL+SRP;(3)SRP+LLLT;(4)SRP。我们在基线、3 个月和 6 个月时评估了牙周指标,包括探诊深度 (PD)、临床附着水平 (CAL)、出血指数 (BI) 和牙菌斑指数 (PLI),以及龈沟液中的三种细胞因子(IL-1β、TNF-α、IL-10)和龈下牙菌斑中的红色复合病原体:对于最初的中度牙周袋(4 mm ≤ PD ≤ 6 mm),与对照组(SRP)相比,ERL+SRP+LLLT、ERL+SRP 和 SRP+LLLT 治疗的象限在 3 个月的随访中显示出更大的 PD 改善(1.25 ± 1.06、1.23 ± 1.12、1.00 ± 1.21 vs. 0.98 ± 1.21 mm)和 6 个月随访(1.35 ± 1.06、1.23 ± 1.17、1.35 ± 0.98 vs. 0.98 ± 1.23 mm)(p = 0.002)。在 3 个月随访(0.96 ± 1.42、0.61 ± 1.39 vs. 0.55 ± 1.57 mm)和 6 个月随访(0.84 ± 1.54、0.89 ± 1.49 vs. 0.48 ± 1.68 mm)时,接受 ERL+SRP+LLLT 和 SRP+LLLT 治疗的象限比对照象限显示出更多的 CAL 增益(p = 0.008)。对于最初的深袋(PD ≥ 7 mm),ERL+SRP+LLLT象限与对照象限相比,在随访时有更多的PD改善和CAL增加。四组之间在BI、PLI、炎症细胞因子和牙周病原体方面没有明显差异:白话摘要:比较联合使用 Er:YAG 激光(ERL)和低水平激光治疗(LLLT)与单一使用激光和传统牙周治疗(SRP)的治疗效果。共有 25 名不吸烟的牙周炎患者参与了这项研究,他们的口腔被分为四个部分,每个部分都接受了不同的治疗:分别接受 ERL+SRP+LLLT、ERL+SRP、SRP+LLLT 和 SRP 治疗。分别在基线、3 个月和 6 个月时对临床指标和实验室指标进行评估。6 个月后,对于初期中度牙周袋,联合激光组和单一激光组在减少牙周袋深度和增加附着水平方面的改善效果优于传统组。但对于初期的深牙周袋,只有联合激光组比传统组有更好的改善。各组在出血、牙菌斑、炎症或有害细菌水平方面没有明显差异。这些研究结果表明,将 Er:YAG 激光和低水平激光疗法整合到标准牙周治疗中可能会提高治疗效果,减少牙周袋深度,尤其是对于严重的情况。
{"title":"Combined application of Er:YAG laser and low-level laser in non-surgical treatment of periodontitis.","authors":"Zhexian Cheng, Wei Li, Jitian Wang, Xuan Huang, Xingyuan Jia, Xuan Zhou","doi":"10.1002/JPER.24-0128","DOIUrl":"https://doi.org/10.1002/JPER.24-0128","url":null,"abstract":"&lt;p&gt;&lt;strong&gt;Background: &lt;/strong&gt;To compare the efficacy of combined treatment of Er:YAG laser (ERL) and low-level laser therapy (LLLT) with single laser applications, and scaling and root planing (SRP) for non-surgical periodontal treatment.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Methods: &lt;/strong&gt;In a randomized controlled trial, 25 non-smoking Stage II or Stage III periodontitis patients were recruited. The four intraoral quadrants were randomly assigned to four different treatments: (1) combined application with ERL plus SRP plus LLLT; (2) ERL plus SRP; (3) SRP plus LLLT; and (4) SRP. We assessed periodontal indexes, including probing depth (PD), clinical attachment level (CAL), bleeding index (BI), and plaque index (PLI), along with three cytokines (IL-1β, TNF-α, IL-10) from gingival crevicular fluid and red complex pathogens from subgingival dental plaque at baseline, 3 months, and 6 months.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Results: &lt;/strong&gt;For initial moderate pockets (4 mm ≤ PD ≤ 6 mm), quadrants treated with ERL+SRP+LLLT, ERL+SRP, and SRP+LLLT exhibited greater PD improvement compared to the control (SRP) quadrants at the 3-month follow-up (1.25 ± 1.06, 1.23 ± 1.12, 1.00 ± 1.21 vs. 0.98 ± 1.21 mm) and the 6-month follow-up (1.35 ± 1.06, 1.23 ± 1.17, 1.35 ± 0.98 vs. 0.98 ± 1.23 mm) (p = 0.002). Quadrants treated with ERL+SRP+LLLT and SRP+LLLT showed more CAL gain means than the control quadrants at the 3-month follow-up (0.96 ± 1.42, 0.61 ± 1.39 vs. 0.55 ± 1.57 mm) and the 6-month follow-up (0.84 ± 1.54, 0.89 ± 1.49 vs. 0.48 ± 1.68 mm) (p = 0.008). For initial deep pockets (PD ≥ 7 mm), the ERL+SRP+LLLT quadrants had more PD improvement and CAL gain compared to the control quadrants at follow-up. There were no significant differences in BI, PLI, inflammatory cytokines, and periodontal pathogens among the four groups.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Conclusion: &lt;/strong&gt;The combined application of ERL and LLLT demonstrated potential efficacy in reducing PD, particularly for deep pockets.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Plain language summary: &lt;/strong&gt;To compare the therapy effect of combined use of Er:YAG laser (ERL) and low level laser therapy (LLLT) with single laser applications, and traditional periodontal treatment (SRP). A total of 25 non smoking patients with periodontitis were involved, and their mouths were divided into four sections, each receiving a different treatment: ERL+SRP+LLLT, ERL+SRP, SRP+LLLT, and SRP. Clinical indexes and laboratory indicators were assessed at baseline, 3 months, and 6 months. After six months, for initial moderate pockets, combined laser group and single laser group showed better improvements than traditional group in reducing the depth of periodontal pockets and increasing attachment levels. But for initial deep pockets, only combined laser group showed better improvement than traditional group. There were no significant differences in bleeding, plaque, inflammation, or harmful bacterial levels among the groups. These findings suggest that the integration of Er:YAG laser and low","PeriodicalId":16716,"journal":{"name":"Journal of periodontology","volume":" ","pages":""},"PeriodicalIF":4.2,"publicationDate":"2024-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142055881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Diagnostic reproducibility of the 2018 Classification of Gingival Recessions: Comparing photographic and in-person diagnoses. 2018 年牙龈凹陷分类的诊断重现性:比较照相诊断和当面诊断。
IF 4.2 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-08-26 DOI: 10.1002/JPER.24-0173
Riccardo Di Gianfilippo, GiovanPaolo Pini Prato, Debora Franceschi, Walter Castelluzzo, Luigi Barbato, Alessandra Bandel, Maria Di Martino, Claudio M Pannuti, Leandro Chambrone, Francesco Cairo
<p><strong>Background: </strong>To assess how the diagnostic reproducibility of the 2018 Classification of Gingival Recession Defects (GRD) could be applied when comparing in-person chairside measurements with photographic measurements.</p><p><strong>Methods: </strong>Thirty-four GRD were photographed and evaluated by 4 masked operators. For each case, the operators measured twice recession type (RT), recession depth (RD), keratinized tissue width (KTW), gingival thickness (GT), detectability of the cemento-enamel junction (CEJ), and presence of root steps (RSs), chairside, and on photographs. Intraclass correlation coefficient (ICC) with 95% confidence intervals (CI) was calculated for RD and KTW; Kappa with 95% CI was used for GT, CEJ, and RS; quadratic weighted Kappa with 95% CI was used for RT.</p><p><strong>Results: </strong>RD, KTW, and RT showed excellent overall intra-operator agreement (> 0.93), and from good to excellent overall inter-operator agreement (> 0.80), for both clinical and photographic measurements. Agreements were lower for GT, CEJ, and RS. Overall clinical and photographic agreements were within 0.1 difference for every variable, except for inter-operator agreement for RS which was 0.72 for clinical measurements and 0.45 for photographic measurements. The lowest overall agreement between clinical versus photographic measurements existed for CEJ (0.28) and RS (0.35).</p><p><strong>Conclusions: </strong>Variables composing the 2018 Classification of GRD are reproducible, both clinically and on photographs, with comparable agreements. The overall agreement was higher for KTW, RD, and RT, and lower for GT, CEJ, and RS, for both clinical and photographic measurements. The comparison between chairside and photographic evaluations indicated fair to excellent agreement for most variables, with CEJ and RS showing fair agreement.</p><p><strong>Plain language summary: </strong>As digital diagnostics evolve to facilitate clinical diagnostic measurement, we aimed to assess the effectiveness of intraoral photography for diagnosing gingival recession defects (GRD) according to the 2018 Classification of GRD, compared to traditional clinical examination. Standardized photographs of thirty-four GRD cases were captured. Four masked operators evaluated the same gingival recessions twice in a clinical setting and twice using photographs. Measurement repeatability within and between operators was calculated for both clinical and photographic settings, and the two settings were compared. Continuous measurements such as recession depth and keratinized tissue width, as well as the evaluation of interproximal attachment height (recession type), showed excellent agreement both clinically and photographically. Agreement was lower for gingival thickness and the detectability of tooth anatomical landmarks, such as the cemento-enamel junction and the presence of root steps. Overall, the agreement between chairside and photographic evaluations was gener
背景:目的:评估在比较亲自椅旁测量和照片测量时,如何应用2018年牙龈退缩缺陷(GRD)分类的诊断重现性:由 4 名蒙面操作员对 34 个 GRD 进行拍照和评估。对于每个病例,操作员都在椅旁和照片上测量了两次退缩类型(RT)、退缩深度(RD)、角化组织宽度(KTW)、牙龈厚度(GT)、牙龈-釉质交界处(CEJ)的可探测性以及根台阶(RS)的存在。对 RD 和 KTW 计算了带 95% 置信区间 (CI) 的类内相关系数 (ICC);对 GT、CEJ 和 RS 使用了带 95% CI 的 Kappa;对 RT 使用了带 95% CI 的二次加权 Kappa:RD、KTW 和 RT 的临床和摄影测量结果显示出极佳的整体操作者内一致性(> 0.93),以及良好到极佳的整体操作者间一致性(> 0.80)。GT、CEJ 和 RS 的一致性较低。除 RS 的操作者间一致性(临床测量为 0.72,摄影测量为 0.45)外,每个变量的临床测量和摄影测量的总体一致性均在 0.1 的差值范围内。CEJ(0.28)和RS(0.35)的临床测量与摄影测量的总体一致性最低:构成 2018 年 GRD 分类的变量在临床和照片上都具有可重复性,且一致性相当。在临床和照片测量中,KTW、RD和RT的总体一致性较高,而GT、CEJ和RS的一致性较低。椅旁评估和照片评估之间的比较表明,大多数变量的一致性为一般到优秀,CEJ和RS的一致性为一般。原文摘要:随着数字诊断技术的发展,促进了临床诊断测量,我们的目的是根据2018年牙龈退缩缺损分类,评估口内摄影与传统临床检查相比诊断牙龈退缩缺损(GRD)的有效性。我们拍摄了 34 例 GRD 的标准化照片。四名蒙面操作员对相同的牙龈退缩进行了两次临床评估和两次照片评估。计算了临床和照片两种设置下操作员内部和操作员之间的测量重复性,并对两种设置进行了比较。退缩深度和角化组织宽度等连续测量值以及近端间附着高度(退缩类型)的评估在临床和照片上都显示出极好的一致性。在牙龈厚度和牙齿解剖标志(如牙本质-釉质交界处和牙根台阶的存在)的可探测性方面,两者的一致性较低。总体而言,椅旁评价和照片评价之间的一致性普遍较好,但在评价牙齿解剖标志时一致性较低。构成 2018 年 GRD 分类的变量在临床和照相环境中都具有可重复性,一致性水平相当。然而,牙龈厚度和评估牙齿解剖标志时的一致性一直较差。
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引用次数: 0
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Journal of periodontology
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