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Comparison of Fracture Strength of Modified PEEK, Nanohybrid Ceramic, Monolithic Zirconium Endocrowns Produced with CAD/CAM System CAD/CAM系统制备改性PEEK、纳米杂化陶瓷、整体锆内冠的断裂强度比较
IF 0.3 Q4 MEDICINE, GENERAL & INTERNAL Pub Date : 2022-09-27 DOI: 10.4274/meandros.galenos.2022.23500
Gülsüm Sena Çiriş, E. Altintas
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引用次数: 0
Periodontal and Periapical Effects of Severity of Fremitus Due to Chronic Occlusal Trauma on Mandibular Incisors 下颌切牙慢性咬合创伤所致松脱严重程度对牙周及根尖周的影响
IF 0.3 Q4 MEDICINE, GENERAL & INTERNAL Pub Date : 2022-08-05 DOI: 10.4274/meandros.galenos.2021.35762
M. Tayman, Esma Sarıçam
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引用次数: 0
Assessment of Alveolar Bone Loss and Buccal Bone Thickness After Surgically Assisted Rapid Maxillary Expansion 外科辅助上颌快速扩张术后牙槽骨损失和颊骨厚度的评估
IF 0.3 Q4 MEDICINE, GENERAL & INTERNAL Pub Date : 2022-06-01 DOI: 10.4274/meandros.galenos.2020.97752
Ç. Esen, A. Esen, Arif Yiğit Güler, D. Menziletoğlu, Ahmet Ertan Soganci
Objective: The aim of this retrospective study was to evaluate the changes in alveolar bone height (ABH) and buccal bone thickness (BBT) of the maxillary teeth after surgically assisted rapid maxillary expansion (SARME) using cone-beam computed tomography (CBCT). Materials and Methods: A total of 9 patients with preoperative and postoperative CBCT records were included in this study. All patients underwent SARME and all of them received a modified acrylic bonded appliance as a maxillary expander. CBCT images were taken before SARME (T1) and after a consolidation period of 3 to 4 months (T2). ABH was determined by measuring the distance from the cemento-enamel junction to the alveolar crest on CBCT images. To evaluate BBT, two different points were identified along the root surface. Results: Alveolar bone loss (ABL) detected between T1 and T2 ABH measurements was statistically significant at all sites of each tooth. There was a statistically significant decrease in BBT at all measured points of each tooth between the T1 and T2 measurements. Conclusion: SARME with modified acrylic-bonded appliances causes ABL and a decrease in BBT, which increases the risk of tooth loss and gingival recession.
目的:采用锥形束计算机断层扫描(CBCT)评价上颌快速扩张术(SARME)后上颌牙槽骨高度(ABH)和颊骨厚度(BBT)的变化。材料与方法:本研究共纳入9例术前和术后CBCT记录的患者。所有患者均行sme手术,并使用改良丙烯酸粘接矫治器作为上颌扩张器。术前(T1)和实变期3 ~ 4个月后(T2)分别进行CBCT成像。通过测量CBCT图像上牙骨质-牙釉质交界处到牙槽嵴的距离来确定ABH。为了评估BBT,沿着根表面确定了两个不同的点。结果:T1和T2 ABH测量时各牙体各部位的牙槽骨丢失(Alveolar bone loss, ABL)均有统计学意义。在T1和T2测量之间,每颗牙齿所有测点的BBT均有统计学意义的下降。结论:改良丙烯酸粘接矫治器的sme可引起ABL和BBT的降低,增加了牙齿脱落和牙龈萎缩的风险。
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引用次数: 0
Are Clinical Predictors of Oral Malignancy Risk Changing? A Sample Study 口腔恶性肿瘤风险的临床预测因素是否发生了变化?样本研究
IF 0.3 Q4 MEDICINE, GENERAL & INTERNAL Pub Date : 2022-06-01 DOI: 10.4274/meandros.galenos.2021.16046
Nezaket Ezgi Özer, Betul Karaca, C. Gürhan, H. Boyacıoğlu, Umut Aykutlu, P. Güneri
Objective: Our study assesss the clinical features of oral lesions that require histological examination and patient-reported symptoms to estimate the risk of malignancy and to determine the presence of any altered features. Materials and Methods: Demographic characteristics of 70 patients and clinical features of lesions were analyzed using chi-square test, Fisher’s Exact test of Independence and discriminant function analysis. Results: Margins, lymphadenopathy, patient’s self-awareness of the lesion associated with mass effect, surface texture, colour, ulceration, loss of function and pain were significant parameters indicating the risk of malignancy (p<0.05). Analyses of the parameters related to the high risk of malignancy have led to a statistical model for clinical differentiation of benign lesions from malignancies with an accuracy of 91.4% (p=0.016). The statistical model demonstrated that the most important discriminative features were margins, surface texture, patient’s self-awareness, lymphadenopathy, loss of function, ulceration, colour, and pain, respectively. Conclusion: In our study, age, gender, duration and localization did not anticipate the nature of the lesion. Our statistical model showed that irregular/indistinct margins and surface textures and the presence of lymphadenopathy have a higher risk of malignancy.
目的:我们的研究评估需要组织学检查的口腔病变的临床特征和患者报告的症状,以评估恶性肿瘤的风险并确定是否存在任何改变的特征。材料与方法:采用卡方检验、Fisher精确独立性检验和判别函数分析等方法,对70例患者的人口学特征和病变的临床特征进行分析。结果:边缘、淋巴结病、患者对病变的自我意识与肿块效应、表面质地、颜色、溃疡、,功能丧失和疼痛是指示恶性肿瘤风险的重要参数(p<0.05)。对与恶性肿瘤高风险相关的参数进行分析,得出了良性病变和恶性肿瘤临床鉴别的统计模型,准确率为91.4%(p=0.016)。统计模型表明,最重要的鉴别特征是边缘,表面质地、患者自我意识、淋巴结病、功能丧失、溃疡、颜色和疼痛。结论:在我们的研究中,年龄、性别、病程和定位没有预测病变的性质。我们的统计模型显示,不规则/模糊的边缘和表面纹理以及淋巴结病的存在具有更高的恶性风险。
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引用次数: 0
Pull-out Retentive Resistance of Fiber Posts Restored with Different Core Materials 不同芯材修复纤维桩的抗拔性
IF 0.3 Q4 MEDICINE, GENERAL & INTERNAL Pub Date : 2022-06-01 DOI: 10.4274/meandros.galenos.2021.03274
Can Topkara, K. Yılmaz, M. Gündoğar, G. Uslu, T. Özyürek
Objective: This study aimed to assess the pull-out bonding resistance of FiberSite and RelyX Fiber posts constructed from core structures using various resin cement. Materials and Methods: Sixty mandibular premolar teeth were horizontally sectioned to create a root canal length of 15±1 mm. Up to size #40, samples were prepared and obturated with gutta-percha and root canal sealer. Three groups of specimens (n=20) were formed. FiberSite posts were luted and built-up using Clearfil DC Core Plus in Group 1, RelyX Fiber posts were luted and built-up using Clearfil DC Core Plus in Group 2, and RelyX Fiber Posts were luted and built-up using Filtek Bulk Fill Posterior in Group 3. Each specimen was vertically positioned in a universal testing machine and rotated at 0.5 mm/min until it dislodged. One-way ANOVA and post hoc tests were used to evaluate the data. Results: The bonding strength of FiberSite posts was higher than that of RelyX Fiber posts (p<0.05). Clearfil DC Core Plus-built RelyX Fiber Posts exhibited higher bond strength than Filtek Bulk Fill Posterior-built posts (p<0.05). Conclusion: FiberSite posts provide better root canal dentin retention than RelyX Fiber posts with different core materials. olarak kesildi. Örneklerin kök kanalları #40’a kadar prepere edildi ve guta-perka ve kanal patı kullanılarak kök kanal dolguları yapıldı. Örnekler daha sonra 3 gruba ayrıldı (n=20). Grup 1’de FiberSite postları Clearfil DC Core Plus ile simante edildi. Grup 2’de RelyX Fiber postlarının simantasyonu ve kor yapıları, Clearfil DC Core Plus ile yapıldı. Grup 3’te, Clearfil DC Core Plus ile simante edilen RelyX Fiber postlarının kor yapıları Filtek Bulk Fill Posterior ile yapıldı. Tüm örneklere, universal test cihazında kırılma gerçekleşinceye kadar dikey yönde 0,5 mm/dak sabit kuvvet uygulandı. Verilere tek yönlü varyans analizi yapıldı ve post hoc testleri ile analiz edildi.
目的:本研究旨在评估FiberSite和RelyX纤维桩的抗拔性,这两种桩由使用各种树脂水泥的核心结构制成。材料和方法:将60颗下颌前臼齿水平切片,形成15±1mm的根管长度。制备尺寸为#40的样品,并用牙胶和根管封闭剂塞住。形成了三组标本(n=20)。FiberSite桩在第1组中使用Clearfil DC Core Plus进行稀释和构建,RelyX纤维桩在第2组中使用Clearfil DC Core Plus进行稀释并构建,而RelyX光纤桩在第3组中使用Filtek Bulk Fill Postior进行稀释和建立。将每个样品垂直放置在通用试验机中,并以0.5 mm/min的速度旋转,直到其移位。使用单向方差分析和事后检验来评估数据。结果:FiberSite桩的粘结强度高于RelyX纤维桩(p<0.05)。Clearfil DC Core Plus构建的RelyX光纤桩的粘结力高于Filtek Bulk Fill Postior构建的桩(p<0.05。奥拉克·凯西尔迪。Örneklerin kök kanalları#40‘a kadar prepere edildi ve guta perka ve kanal patıkullanılarak kök-kanal dolgularıyapıldı。Örnekler daha sonra 3 gruba ayrıldı(n=20)。Grup 1'de FiberSite postlarıClearfil DC Core Plus ile simante edildi。Grup 2'de RelyX Fiber postlarının simantasyonu ve kor yapıları,Clearfil DC Core Plus ile yapşldı。Grup 3’te,Clearfil DC Core Plus ile simante edilen RelyX Fiber postlarının kor yapılarıFiltek Bulk Fill Postior ile yapşldı。Tümörneklere,通用测试cihazında kırılma gerçekleşinceye kadar dikey yönde 0.5 mm/dak sabit kuvvet维吾尔语。Verilere tek yönlüvaryans analizi yapıldıve post-hoc testleri ile analiz edildi。
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引用次数: 0
The Relationship Between Inflammatory Indicators and the Severity of the Disease in Coronavirus Disease 冠状病毒疾病中炎症指标与疾病严重程度的关系
IF 0.3 Q4 MEDICINE, GENERAL & INTERNAL Pub Date : 2022-06-01 DOI: 10.4274/meandros.galenos.2021.65477
Recai Aci, Mukadder Erdem, Göksenin Ünlügüzel Üstün, Utku Duran, Adem Keskin, M. Bilgin
Objective: The complete blood count parameters and biochemical biomarkers important for the follow-up of patients in the inflammatory process of coronavirus disease 2019 (COVID-19) inpatients in the ward, and intensive care were analysed retrospectively. Materials and Methods: One hundred thirty inpatients in the intensive care and 147 inpatients in the COVID-19 ward were included in this study. Additionally, 47 healthy people were added as a control group. Whole blood parameters [white blood cell (WBC), lymphocyte, monocytes, platelet, neutrophil, monocyte/ lymphocyte (MLR), neutrophil/lymphocyte (NLR)], ferritin, C-reactive protein (CRP), procalcitonin, erythrocyte sedimentation ratio (ESR) and albumin values of these patients and individuals were analyzed retrospectively. Obtained laboratory values were compared. Results: The procalcitonin, CRP, ESR, WBC, neutrophil, NLR, MLR, ferritin and procalcitonin values of the patients the intensive care patients were higher than the other two groups (p<0.001). However, the albumin and lymphocyte levels of the patients in the intensive care unit were lower (p<0.001). Additionally, the CRP and ESR values of the inpatients in the ward were higher than those in the control group (p<0.001). Conclusion: Hematological findings such as lymphocytes, NLR, WBC and inflammatory findings such as procalcitonin, ESR, CRP, and ferritin are associated with disease severity. Additionally, increased NLR levels may indicate aggravation of the inflammatory process and the possibility of intensive care admission. Therefore, monitoring of inflammatory findings, and NLR, can help predict and treat the prognosis of COVID-19.
目的:回顾性分析2019冠状病毒病(COVID-19)住院患者炎症过程随访中重要的全血细胞计数参数和生化生物标志物。材料与方法:本研究纳入130例重症监护住院患者和147例新冠肺炎病房住院患者。此外,还增加了47名健康人作为对照组。回顾性分析患者及个体的全血参数[白细胞(WBC)、淋巴细胞、单核细胞、血小板、中性粒细胞、单核/淋巴细胞(MLR)、中性粒细胞/淋巴细胞(NLR)]、铁蛋白、c反应蛋白(CRP)、降钙素原、红细胞沉降比(ESR)及白蛋白值。比较得到的实验室值。结果:重症监护组患者降钙素原、CRP、ESR、WBC、中性粒细胞、NLR、MLR、铁蛋白、降钙素原均高于其他两组(p<0.001)。然而,重症监护病房患者的白蛋白和淋巴细胞水平较低(p<0.001)。此外,病房住院患者的CRP和ESR值高于对照组(p<0.001)。结论:血液学检查如淋巴细胞、NLR、WBC和炎症检查如降钙素原、ESR、CRP和铁蛋白与疾病严重程度相关。此外,NLR水平升高可能表明炎症过程加重,可能需要重症监护。因此,监测炎症表现和NLR有助于预测和治疗COVID-19的预后。
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引用次数: 2
Investigation of the Effects of Apelin 13 on Experimental Ulcerative Colitis 蛋白13对实验性溃疡性结肠炎的作用研究
IF 0.3 Q4 MEDICINE, GENERAL & INTERNAL Pub Date : 2022-06-01 DOI: 10.4274/meandros.galenos.2022.86729
F. Şirinyıldız, G. Cesur
Objective: The aim of this study was to investigate the effects of apelin (APL)-13 in a trinitrobenzenesulphonic acid (TNBS) induced experimental colitis model. It is also to test whether APL-13 has an antioxidant effect in addition to its proliferative and anti-inflammatory effect in colon inflammation by looking at antioxidant parameters. Materials and Methods: Forty-five Wistar albino rats were divided into six groups as control, sham control, APL control, colitis (TNBS), colitis + ethanol, and colitis + APL. The control group was fed a standard diet without any treatment. The sham group was treated in the same colitis group, but saline was given instead of TNBS. The APL control group was given APL, but no colitis was induced. Colitis + ethanol and colitis + APL group was given ethanol and 100 µg/kg APL intraperitoneally (i.p.) for 3 days after colitis. For the biochemical analysis of the tissues, levels of myeloperoxidase (MPO), malonyldialdehyde (MDA), superoxide dismutase, catalase and glutathione were measured. Histopathological observations occurred. Results: There were significantly increased MDA and MPO levels the animals that were grouped as TNBS and the antioxidant parameters were shown significantly decreased. Administration of APL-13 did make a significant decrease in colon MDA and MPO levels and antioxidant parameters were shown significantly increased compared to TNBS groups. The histological image of the TNBS + APL group was observed to have reduced mucosal damage, necrosis and edema compared with the TNBS group. Conclusion: In conclusion, our study showed that APL-13 has therapeutic effects on TNBS induced ulcerative colitis. APL-13 may be an effective substance that can be used to eliminate the negative effects of ulcerative colitis.
目的:探讨apelin (APL)-13在三硝基苯磺酸(TNBS)诱导的实验性结肠炎模型中的作用。通过观察抗氧化参数,验证APL-13除在结肠炎症中具有增殖和抗炎作用外,是否具有抗氧化作用。材料与方法:45只Wistar白化大鼠分为对照组、假对照组、APL对照组、结肠炎(TNBS)组、结肠炎+乙醇组、结肠炎+ APL组。对照组饲喂标准日粮,不作任何处理。假手术组与结肠炎组治疗相同,但给予生理盐水代替TNBS。APL对照组给予APL,未引起结肠炎。结肠炎+乙醇组和结肠炎+ APL组在结肠炎后连续3 d腹腔注射乙醇和100µg/kg APL。对组织进行生化分析,测定骨髓过氧化物酶(MPO)、丙二醛(MDA)、超氧化物歧化酶、过氧化氢酶和谷胱甘肽的水平。进行了组织病理学观察。结果:TNBS组大鼠MDA、MPO水平明显升高,抗氧化指标明显降低。与TNBS组相比,给药APL-13确实使结肠MDA和MPO水平显著降低,抗氧化参数显著升高。与TNBS组相比,TNBS + APL组粘膜损伤、坏死、水肿明显减轻。结论:本研究表明APL-13对TNBS诱导的溃疡性结肠炎具有治疗作用。APL-13可能是一种有效的物质,可以用来消除溃疡性结肠炎的负面影响。
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引用次数: 0
Labial Adhesion in Adulthood: A Report of Two Cases 成人唇粘连2例报告
IF 0.3 Q4 MEDICINE, GENERAL & INTERNAL Pub Date : 2022-06-01 DOI: 10.4274/meandros.galenos.2015.2217
S. N. Avcıoğlu, E. Zafer, S. O. Altınkaya, S. Demircan Sezer, H. Yüksel, M. Küçük
Labial adhesions are generally observed in the premenarchal and postmenopausal period. They are rarely seen in adulthood. Here, two labial fusion cases in the reproductive period are discussed. In the first case, 38-year-old virgin woman presented with anuria to the emergency unit. On her physical examination, labia were fused totally including periurethral area. His history revealed that she was mentally retarded and had primary amenorrhea. She had poor selfcare. On her genital examination, she had secondary sexual characteristics, including axially-pubic hair and breast development at Tanner stage-5. In her surgical treatment, the labia were overturned and a well-defined introitus was constituted. After the operation, topical estrogen prescribed. In second case, a forty-two year old woman with Behçet’s disease presented with dysuria and difficulty in voiding for about one month. Her obstetric examination revealed that she had two vaginal births. On pelvic examination, genital ulcer was determined on the labium. Besides, adhesion almost completely fused into the bilateral labia minora. For surgical treatment, manual separation technique was used under general anesthesia. After the operation, topical steroid was prescribed. Labial adhesions are observed, especially in the premenarchal period. However, they may be very rarely seen in the reproductive period due to local inflammation and circulating low estrogen levels. Topical estrogens, topical steroids, oral estrogen treatment, manual separation under anesthesia or without anesthesia, sharp or blunt dissection under anesthesia are alternative treatment methods. The success rates of these treatment methods exceed 90%. Besides, the recurrence rate varies between 4% and 20% with manual and sharp dissection methods.
唇粘连通常发生在绝经前和绝经后。成年后很少见到它们。在这里,我们讨论了两个生殖期的唇融合病例。在第一个病例中,一名38岁的处女妇女因无尿症被送往急诊室。在她的身体检查中,阴唇完全融合,包括尿道周围区域。他的病史显示她智力迟钝,原发性闭经。她不善自我照顾。在生殖器检查中,她有次要的性特征,包括轴向阴毛和Tanner第5阶段的乳房发育。在她的手术治疗中,阴唇被翻转,形成了一个明确的凹陷。手术后,局部使用雌激素。在第二个病例中,一名患有Behçet病的42岁女性出现排尿困难和排尿困难,持续了大约一个月。她的产科检查显示她有两次阴道分娩。骨盆检查发现阴唇处有生殖器溃疡。此外,粘连几乎完全融合到双侧小阴唇。对于手术治疗,在全身麻醉下使用手动分离技术。手术后,局部使用类固醇。观察到唇粘连,尤其是在月经前期。然而,由于局部炎症和循环雌激素水平低,它们在生殖期可能很少出现。局部雌激素、局部类固醇、口服雌激素治疗、麻醉或非麻醉下手动分离、麻醉下尖锐或钝性解剖是替代治疗方法。这些治疗方法的成功率超过90%。此外,手动和尖锐解剖方法的复发率在4%至20%之间。
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引用次数: 0
Investigation of the Reparative and Regenerative Effects of Human Adipose Tissue Mesenchymal Stem Cells on Epidermal Cells Exposed to UVB Ray 人脂肪组织间充质干细胞对UVB照射下表皮细胞修复和再生作用的研究
IF 0.3 Q4 MEDICINE, GENERAL & INTERNAL Pub Date : 2022-06-01 DOI: 10.4274/meandros.galenos.2021.87004
Yasemin Tin Arslan, Ç. Yenisey
Objective: To investigate the regenerative effects of adipose-derived mesenchymal stem cells (ADMSCs) in immortalized human keratinocyte cells (HaCaT) exposed to ultraviolet B (UVB) rays. Materials and Methods: Epidermal cells were interacted with UVB rays. Then, treatment was applied to ADMSC mediums prepared in different concentrations. Cells that did not receive UVB light were included in the study as a control. Results: With the application of human adipose tissue mesenchymal stem cells to HaCaT cells with different concentrations of media prepared, cell viability increased in both cells that received UVB radiation and those that did not. It has been observed that the said increases are more pronounced, especially in cells that have received UVB rays, reaching the maximum value at 100%, which is the highest stem cell medium concentration. ADMSC medium also had an increasing effect on the migration of UVB (+) cells. In UVB (+) cells, decreased levels of myeloid cell leukemia 1 protein (Mcl-1) and
目的:探讨脂肪源性间充质干细胞(ADMSCs)在紫外线B (UVB)照射下永生化人角质细胞(HaCaT)中的再生作用。材料与方法:用UVB射线与表皮细胞相互作用。然后对不同浓度的ADMSC培养基进行处理。没有接收到UVB光的细胞被作为对照纳入研究。结果:将人脂肪组织间充质干细胞应用于制备的不同浓度培养基的HaCaT细胞,UVB辐照和未UVB辐照的HaCaT细胞的细胞活力均有所提高。已观察到,上述增加更为明显,特别是在接受UVB射线的细胞中,在100%达到最大值,这是最高的干细胞培养基浓度。ADMSC培养基对UVB(+)细胞的迁移也有增强的作用。在UVB(+)细胞中,髓细胞白血病1蛋白(Mcl-1)和
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引用次数: 0
Comparison of Colposcopic Biopsy and Conization Results in Association with Overtreatment or Missed Diagnosis 阴道镜活检与锥切结果与过度治疗或漏诊的比较
IF 0.3 Q4 MEDICINE, GENERAL & INTERNAL Pub Date : 2022-06-01 DOI: 10.4274/meandros.galenos.2022.47113
A. Seyhan, E. Aktürk
Objective: To compare pathological results of colposcopic biopsy and cold knife conization in association with overtreatment and missed diagnosis perspective. Materials and Methods: The data of 72 patients who were referred to the gynecologic oncology clinic because of the presence of atypical cytology and/ or high-risk human papillomavirus and underwent colposcopic biopsy and cold knife conization were retrospectively analyzed. Cases with discordant results were examined, particularly in terms of overtreatment and missed diagnosis. Results: Efficacy of colposcopic biopsy was evaluated; the sensitivity, specificity, positive predictive value, negative predictive
目的:比较阴道镜活检与冷刀锥切术对过度治疗和漏诊的病理结果。材料与方法:回顾性分析72例因细胞学不典型和/或高危人乳头瘤病毒而转诊至妇科肿瘤门诊并行阴道镜活检和冷刀锥切术的患者的资料。对结果不一致的病例进行了检查,特别是在过度治疗和漏诊方面。结果:评价阴道镜活检的疗效;其敏感性、特异性、阳性预测值、阴性预测值
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引用次数: 0
期刊
Meandros Medical and Dental Journal
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