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Accuracy of maxillary molar distalization with clear aligners in three-dimension: a retrospective study based on CBCT superimposition.
IF 3.1 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-02-18 DOI: 10.1007/s00784-025-06218-3
Ruyue Qiang, Haolin Zhang, Yuerong Xu, Xu Zhang, Fang Jin, Zuolin Jin, Wen Qin, Jie Gao

Background: To measure the actual moving direction and displacement of the root and crown of maxillary teeth before and after treatment in molar distalization cases using clear aligners(CAs).

Materials and methods: This retrospective study included 28 adult patients who received maxillary distalization treatment with CAs. The pre- and post-treatment CBCT were superimposed and the crown and root of all maxillary teeth were marked. Achieved and predicted three-dimensional displacement of maxillary teeth were then compared using the paired t test. Mixed-effect model was used to explore the influence of different staging design (one-molar distalization vs. two-molar distalization) and anchorage (TAD vs. Class II elastic vs. no extra anchorage management).

Results: Labial displacement happened to the anterior teeth even the palatal displacement was prescribed. Body distalization of maxillary posterior teeth could not be fully achieved as predicted. The premolars and molars achieved greater distal tipping, buccal inclination, and less distal displacement than predicted. In buccal-palatal dimension, the greatest buccal tipping tendency happened to the 2nd premolar and decreased toward the distal portion of the aligner. In the mesial-distal dimension, the highest accuracy of molar distalization was found in the 2nd molars while the lowest in the 1st premolars. No significant difference was found between two molar distalization patterns. Extra anchorage management devices could not diminish the difference between the predicted and achieved displacement.

Conclusions: The achieved molar distalization displacement and anterior teeth retraction is not as good as expected using CAs. The anterior and posterior anchorage loss cannot be completely avoided despite extra anchorage management devices are adopted. The potential reason for the correction of class II malocclusion needs further exploration.

{"title":"Accuracy of maxillary molar distalization with clear aligners in three-dimension: a retrospective study based on CBCT superimposition.","authors":"Ruyue Qiang, Haolin Zhang, Yuerong Xu, Xu Zhang, Fang Jin, Zuolin Jin, Wen Qin, Jie Gao","doi":"10.1007/s00784-025-06218-3","DOIUrl":"10.1007/s00784-025-06218-3","url":null,"abstract":"<p><strong>Background: </strong>To measure the actual moving direction and displacement of the root and crown of maxillary teeth before and after treatment in molar distalization cases using clear aligners(CAs).</p><p><strong>Materials and methods: </strong>This retrospective study included 28 adult patients who received maxillary distalization treatment with CAs. The pre- and post-treatment CBCT were superimposed and the crown and root of all maxillary teeth were marked. Achieved and predicted three-dimensional displacement of maxillary teeth were then compared using the paired t test. Mixed-effect model was used to explore the influence of different staging design (one-molar distalization vs. two-molar distalization) and anchorage (TAD vs. Class II elastic vs. no extra anchorage management).</p><p><strong>Results: </strong>Labial displacement happened to the anterior teeth even the palatal displacement was prescribed. Body distalization of maxillary posterior teeth could not be fully achieved as predicted. The premolars and molars achieved greater distal tipping, buccal inclination, and less distal displacement than predicted. In buccal-palatal dimension, the greatest buccal tipping tendency happened to the 2nd premolar and decreased toward the distal portion of the aligner. In the mesial-distal dimension, the highest accuracy of molar distalization was found in the 2nd molars while the lowest in the 1st premolars. No significant difference was found between two molar distalization patterns. Extra anchorage management devices could not diminish the difference between the predicted and achieved displacement.</p><p><strong>Conclusions: </strong>The achieved molar distalization displacement and anterior teeth retraction is not as good as expected using CAs. The anterior and posterior anchorage loss cannot be completely avoided despite extra anchorage management devices are adopted. The potential reason for the correction of class II malocclusion needs further exploration.</p>","PeriodicalId":10461,"journal":{"name":"Clinical Oral Investigations","volume":"29 2","pages":"138"},"PeriodicalIF":3.1,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11836081/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143440187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Meteorin-like levels of oral fluids in periodontal health and diseases: a comparative cross-sectional study.
IF 3.1 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-02-18 DOI: 10.1007/s00784-025-06222-7
Ebru Saglam, Ayse Toraman, Levent Savran, Mehmet Saglam, Serhat Koseoglu

Objectives: Cytokines are critical role in the pathogenesis of periodontal diseases. Meteorin-like (Metrnl), a protein released in the oral mucosa, is a novel cytokine associated with various inflammatory diseases. This study aimed to evaluate levels of salivary and gingival crevicular fluid (GCF), interleukin - 1 beta (IL-1β), interleukin - 10 (IL-10), and Metrnl in periodontal disease.

Materials and methods: It was formed three groups of 20 individuals each: the healthy, gingivitis, and periodontitis (Stage III, Grades A and B) groups. The enzyme-linked immunosorbent assay method measured IL-1β, IL-10, and Metrnl levels in salivary and GCF samples. Clinical periodontal measurement including probing pocket depth (PD), clinical attachment loss (CAL), plaque index (PI), gingival index (GI) and percentage of bleeding on probing (%BOP); and biochemical parameters were evaluated using statistical analysis.

Results: Salivary concentrations and GCF total amount of IL-1β were significantly higher in the periodontal disease groups (p < 0.001). There was no significant difference among the groups in either salivary concentrations or GCF total amount of IL-10 (p > 0.05). Salivary Metrnl concentrations were significantly lower in the periodontitis group (p = 0.002). Salivary Metrnl concentrations had significant negative correlations with %BOP, PD, and CAL (p < 0.05). GCF total amount of Metrnl had significant negative correlations with GCF total amount of IL-1β (p = 0.03). The receiver operating characteristics curve showed: area under the curve (AUC) = 0.731 for salivary Metrnl concentrations to discriminate periodontitis from periodontal health and gingivitis.

Conclusion: Based on the findings of this study, Metrnl, as an immunoregulatory cytokine, may have an important relationship with periodontitis. Additional studies are needed to fully elucidate the functional effect of Metrnl in periodontal disease.

Clinical relevance: Background In knock-out experimental studies, it has been reported that Metrnl acts as an inflammation-related immunoregulatory cytokine. The findings relating it to inflammatory diseases support the idea that Metrnl may play a role in the pathogenesis of a variety of inflammatory diseases.

Added value of this study: Although Metrnl is a protein abundantly secreted in the oral mucosa, to the authors' knowledge there has been no study evaluating it in gingivitis and periodontitis, inflammatory diseases. In this study, the levels of Metrnl in oral fluids, such as GCF and saliva, were examined in the presence of different periodontal diseases.

Clinical implications: Metrnl can be useful in distinguishing periodontal destruction from periodontal health.

{"title":"Meteorin-like levels of oral fluids in periodontal health and diseases: a comparative cross-sectional study.","authors":"Ebru Saglam, Ayse Toraman, Levent Savran, Mehmet Saglam, Serhat Koseoglu","doi":"10.1007/s00784-025-06222-7","DOIUrl":"10.1007/s00784-025-06222-7","url":null,"abstract":"<p><strong>Objectives: </strong>Cytokines are critical role in the pathogenesis of periodontal diseases. Meteorin-like (Metrnl), a protein released in the oral mucosa, is a novel cytokine associated with various inflammatory diseases. This study aimed to evaluate levels of salivary and gingival crevicular fluid (GCF), interleukin - 1 beta (IL-1β), interleukin - 10 (IL-10), and Metrnl in periodontal disease.</p><p><strong>Materials and methods: </strong>It was formed three groups of 20 individuals each: the healthy, gingivitis, and periodontitis (Stage III, Grades A and B) groups. The enzyme-linked immunosorbent assay method measured IL-1β, IL-10, and Metrnl levels in salivary and GCF samples. Clinical periodontal measurement including probing pocket depth (PD), clinical attachment loss (CAL), plaque index (PI), gingival index (GI) and percentage of bleeding on probing (%BOP); and biochemical parameters were evaluated using statistical analysis.</p><p><strong>Results: </strong>Salivary concentrations and GCF total amount of IL-1β were significantly higher in the periodontal disease groups (p < 0.001). There was no significant difference among the groups in either salivary concentrations or GCF total amount of IL-10 (p > 0.05). Salivary Metrnl concentrations were significantly lower in the periodontitis group (p = 0.002). Salivary Metrnl concentrations had significant negative correlations with %BOP, PD, and CAL (p < 0.05). GCF total amount of Metrnl had significant negative correlations with GCF total amount of IL-1β (p = 0.03). The receiver operating characteristics curve showed: area under the curve (AUC) = 0.731 for salivary Metrnl concentrations to discriminate periodontitis from periodontal health and gingivitis.</p><p><strong>Conclusion: </strong>Based on the findings of this study, Metrnl, as an immunoregulatory cytokine, may have an important relationship with periodontitis. Additional studies are needed to fully elucidate the functional effect of Metrnl in periodontal disease.</p><p><strong>Clinical relevance: </strong>Background In knock-out experimental studies, it has been reported that Metrnl acts as an inflammation-related immunoregulatory cytokine. The findings relating it to inflammatory diseases support the idea that Metrnl may play a role in the pathogenesis of a variety of inflammatory diseases.</p><p><strong>Added value of this study: </strong>Although Metrnl is a protein abundantly secreted in the oral mucosa, to the authors' knowledge there has been no study evaluating it in gingivitis and periodontitis, inflammatory diseases. In this study, the levels of Metrnl in oral fluids, such as GCF and saliva, were examined in the presence of different periodontal diseases.</p><p><strong>Clinical implications: </strong>Metrnl can be useful in distinguishing periodontal destruction from periodontal health.</p>","PeriodicalId":10461,"journal":{"name":"Clinical Oral Investigations","volume":"29 2","pages":"137"},"PeriodicalIF":3.1,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11836087/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143440166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correction to: Accuracy of full arch scans performed with nine different scanning patterns- an in vitro study.
IF 3.1 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-02-18 DOI: 10.1007/s00784-025-06233-4
Kerstin Schlögl, Jan-Frederik Güth, Tobias Graf, Christine Keul
{"title":"Correction to: Accuracy of full arch scans performed with nine different scanning patterns- an in vitro study.","authors":"Kerstin Schlögl, Jan-Frederik Güth, Tobias Graf, Christine Keul","doi":"10.1007/s00784-025-06233-4","DOIUrl":"10.1007/s00784-025-06233-4","url":null,"abstract":"","PeriodicalId":10461,"journal":{"name":"Clinical Oral Investigations","volume":"29 2","pages":"135"},"PeriodicalIF":3.1,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11836229/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143440188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of endodontic irrigant solutions on the viability and metabolism of stem cells from apical papilla: proposal of a novel in vitro model.
IF 3.1 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-02-18 DOI: 10.1007/s00784-025-06231-6
Letycia Accioly Simões Coelho, Ester Alves Ferreira Bordini, Fernanda Balestrero Cassiano, Vitor de Toledo Stuani, Renato Menezes Silva, Diana Gabriela Soares Dos Passos, Marco Antonio Hungaro Duarteg

Objectives: This study aimed to evaluate the effect of different irrigation protocols on the viability and metabolism of stem cells from the apical papilla (SCAP) using a new in vitro protocol that simulates the clinical situation.

Materials and methods: Forty-eight bovine dentin cylinders were obtained and prepared to simulate teeth with incomplete rhizogenesis, positioned under a three-dimensional (3D) culture of SCAPs to mimic the apical papilla. The cylinders were divided into four groups (n = 8) according to the irrigating solution: Control; NaOCl (Sodium hypochlorite 1%); EDTA (17% ethylenediaminetetraacetic acid); and NaOCl + EDTA. Subsequently, the viability (Live/Dead n = 2) and metabolism (Alamar Blue n = 6) of the cells were assessed (ISO 10993). Data were analyzed using Kruskal-Wallis and Dunn tests (p < 0.05).

Results: In the 1 to 3 days period, Control and EDTA had significantly higher increases in metabolism compared to NaOCl and NaOCl + EDTA (p < 0.05). In the 3- to 7-day period, metabolism significantly decreased in NaOCl + EDTA compared to EDTA (p < 0.05) but was similar to Control and NaOCl. Additionally, significant differences were observed within groups Control, EDTA, and NaOCl + EDTA across the two periods (p < 0.05).

Conclusions: The tested in vitro model allows for the analysis of the response of SCAPs to different irrigating solutions, simulating the clinical situation. Sodium hypochlorite 1% demonstrated high cytotoxicity to SCAPs, whose effects were partially reversed by 17% EDTA.

Clinical relevane: The methodology developed provides a tool for future investigations, allowing for the assessment of new irrigants and techniques that may optimize tissue regeneration.

{"title":"Impact of endodontic irrigant solutions on the viability and metabolism of stem cells from apical papilla: proposal of a novel in vitro model.","authors":"Letycia Accioly Simões Coelho, Ester Alves Ferreira Bordini, Fernanda Balestrero Cassiano, Vitor de Toledo Stuani, Renato Menezes Silva, Diana Gabriela Soares Dos Passos, Marco Antonio Hungaro Duarteg","doi":"10.1007/s00784-025-06231-6","DOIUrl":"10.1007/s00784-025-06231-6","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to evaluate the effect of different irrigation protocols on the viability and metabolism of stem cells from the apical papilla (SCAP) using a new in vitro protocol that simulates the clinical situation.</p><p><strong>Materials and methods: </strong>Forty-eight bovine dentin cylinders were obtained and prepared to simulate teeth with incomplete rhizogenesis, positioned under a three-dimensional (3D) culture of SCAPs to mimic the apical papilla. The cylinders were divided into four groups (n = 8) according to the irrigating solution: Control; NaOCl (Sodium hypochlorite 1%); EDTA (17% ethylenediaminetetraacetic acid); and NaOCl + EDTA. Subsequently, the viability (Live/Dead n = 2) and metabolism (Alamar Blue n = 6) of the cells were assessed (ISO 10993). Data were analyzed using Kruskal-Wallis and Dunn tests (p < 0.05).</p><p><strong>Results: </strong>In the 1 to 3 days period, Control and EDTA had significantly higher increases in metabolism compared to NaOCl and NaOCl + EDTA (p < 0.05). In the 3- to 7-day period, metabolism significantly decreased in NaOCl + EDTA compared to EDTA (p < 0.05) but was similar to Control and NaOCl. Additionally, significant differences were observed within groups Control, EDTA, and NaOCl + EDTA across the two periods (p < 0.05).</p><p><strong>Conclusions: </strong>The tested in vitro model allows for the analysis of the response of SCAPs to different irrigating solutions, simulating the clinical situation. Sodium hypochlorite 1% demonstrated high cytotoxicity to SCAPs, whose effects were partially reversed by 17% EDTA.</p><p><strong>Clinical relevane: </strong>The methodology developed provides a tool for future investigations, allowing for the assessment of new irrigants and techniques that may optimize tissue regeneration.</p>","PeriodicalId":10461,"journal":{"name":"Clinical Oral Investigations","volume":"29 2","pages":"136"},"PeriodicalIF":3.1,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143440197","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
Cost-efficiency analysis of atraumatic restorative treatment with and without chemical-mechanical caries removal agents based on pain and time for selective removal of carious tissue: a public health perspective.
IF 3.1 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-02-17 DOI: 10.1007/s00784-025-06224-5
Rênnis Oliveira da Silva, Luísa Buoro da Silva, Marcia Frias Pinto Marinho, Erico Eduardo Ribeiro de Souza, Yuri Wanderley Cavalcanti, Andréa Fonseca-Gonçalves, Andréa Vaz Braga Pintor

Objective: To evaluate the Cost-Efficiency of Atraumatic Restorative Treatment (ART) with a chemical-mechanical caries removal agent (CMCRA, Papacárie Duo Gel) compared to conventional ART, based on pain perceived and time for selective removal of carious tissue, from the perspective of the Brazilian Unified Health System (SUS).

Materials and methods: The Cost-Efficiency analysis was conducted using TreeAgePro software, considering a 12-month horizon and a hypothetical cohort based on Monte Carlo microsimulation. ART + CMCRA was compared to ART in deciduous teeth, based on 26,700 treatments performed on children attended by SUS in Rio de Janeiro. Direct costs were calculated in Brazilian currency using the microcosting technique. Efficiency measures related to pain and caries removal time were extracted from a high-quality randomized clinical trial. Probabilistic simulation considered a 95% confidence interval and a 5% variation in parameters, generating acceptability curves to estimate the probability of treatment choice.

Results: ART + CMCRA proved superior (p < 0,001) in terms of benefit. For pain perceived efficiency, ART + CMCRA resulted in a cost increase of R$ 0.23 per procedure, with an additional benefit of 47.53%. For time efficiency, there was a cost increase of R$ 0.24 per procedure, with an additional benefit of 14.19%.

Conclusion: ART + CMCRA is a cost-efficient option for SUS. The implementation of this technique in Rio de Janeiro's public health system can be recommended due to the reduced pain, despite requiring a higher willingness to pay for the additional benefits.

Clinical relevance: The adoption of ART + CMCRA in SUS can significantly improve the experience of pediatric patients by reducing pain, making dental treatment more efficient and humane.

{"title":"Cost-efficiency analysis of atraumatic restorative treatment with and without chemical-mechanical caries removal agents based on pain and time for selective removal of carious tissue: a public health perspective.","authors":"Rênnis Oliveira da Silva, Luísa Buoro da Silva, Marcia Frias Pinto Marinho, Erico Eduardo Ribeiro de Souza, Yuri Wanderley Cavalcanti, Andréa Fonseca-Gonçalves, Andréa Vaz Braga Pintor","doi":"10.1007/s00784-025-06224-5","DOIUrl":"10.1007/s00784-025-06224-5","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate the Cost-Efficiency of Atraumatic Restorative Treatment (ART) with a chemical-mechanical caries removal agent (CMCRA, Papacárie Duo Gel<sup>Ⓡ</sup>) compared to conventional ART, based on pain perceived and time for selective removal of carious tissue, from the perspective of the Brazilian Unified Health System (SUS).</p><p><strong>Materials and methods: </strong>The Cost-Efficiency analysis was conducted using TreeAgePro software, considering a 12-month horizon and a hypothetical cohort based on Monte Carlo microsimulation. ART + CMCRA was compared to ART in deciduous teeth, based on 26,700 treatments performed on children attended by SUS in Rio de Janeiro. Direct costs were calculated in Brazilian currency using the microcosting technique. Efficiency measures related to pain and caries removal time were extracted from a high-quality randomized clinical trial. Probabilistic simulation considered a 95% confidence interval and a 5% variation in parameters, generating acceptability curves to estimate the probability of treatment choice.</p><p><strong>Results: </strong>ART + CMCRA proved superior (p < 0,001) in terms of benefit. For pain perceived efficiency, ART + CMCRA resulted in a cost increase of R$ 0.23 per procedure, with an additional benefit of 47.53%. For time efficiency, there was a cost increase of R$ 0.24 per procedure, with an additional benefit of 14.19%.</p><p><strong>Conclusion: </strong>ART + CMCRA is a cost-efficient option for SUS. The implementation of this technique in Rio de Janeiro's public health system can be recommended due to the reduced pain, despite requiring a higher willingness to pay for the additional benefits.</p><p><strong>Clinical relevance: </strong>The adoption of ART + CMCRA in SUS can significantly improve the experience of pediatric patients by reducing pain, making dental treatment more efficient and humane.</p>","PeriodicalId":10461,"journal":{"name":"Clinical Oral Investigations","volume":"29 2","pages":"134"},"PeriodicalIF":3.1,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143440191","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
Effect of simulated tooth brushing on the surface gloss of monolithic all-ceramic restorations: an in vitro study.
IF 3.1 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-02-17 DOI: 10.1007/s00784-025-06223-6
Khaled Abdulrahman A AlShehri, Mohammad Ramadan Rayyan

Aim: The surface gloss of restorative materials can be greatly impacted by abrasion from tooth brushing. This study aimed to evaluate the effect of simulated tooth brushing using regular and abrasive toothpaste on the surface gloss of glazed monolithic all-ceramic restorations.

Materials and methods: In this, in vitro study, four different monolithic all-ceramic materials were used: Cerec Tessera (advanced lithium disilicate), Celtra Due (zirconia reinforced lithium silicate), Cerec Zirconia+ (Translucent Zirconia), and Cerec Blocs (Feldspathic). Eighty rectangular shaped specimens were made (20 of each material) using a low-speed diamond disc with the following dimensions (12/10/ 1 mm). The samples were polished using polishing kit & paste (DIAPOL, EVE). A glaze (Universal overglaze, Dentsply Sirona) was applied to all the samples then a toothbrushing simulator was used for 10.000 cycles using two different toothpastes. Surface gloss was assessed before and after simulated tooth brushing using glossmeter.

Results: The results showed a significant reduction in the mean surface gloss of the four materials after the use of regular and abrasive toothpastes (P < 0.001). In all materials, the use of abrasive toothpaste was associated with more reduction of surface gloss (P < 0.001).

Conclusion: Simulated tooth brushing and toothpaste type affect the surface gloss of glazed monolithic all-ceramic materials.

Clinical significance: The surface characteristics of monolithic all-ceramic materials is affected by abrasion from toothbrushing which could impact the surface of the materials and possibly alter the glaze coating, compromising the restoration's longevity and esthetics. This effect was greater with the use of abrasive toothpaste.

{"title":"Effect of simulated tooth brushing on the surface gloss of monolithic all-ceramic restorations: an in vitro study.","authors":"Khaled Abdulrahman A AlShehri, Mohammad Ramadan Rayyan","doi":"10.1007/s00784-025-06223-6","DOIUrl":"10.1007/s00784-025-06223-6","url":null,"abstract":"<p><strong>Aim: </strong>The surface gloss of restorative materials can be greatly impacted by abrasion from tooth brushing. This study aimed to evaluate the effect of simulated tooth brushing using regular and abrasive toothpaste on the surface gloss of glazed monolithic all-ceramic restorations.</p><p><strong>Materials and methods: </strong>In this, in vitro study, four different monolithic all-ceramic materials were used: Cerec Tessera (advanced lithium disilicate), Celtra Due (zirconia reinforced lithium silicate), Cerec Zirconia+ (Translucent Zirconia), and Cerec Blocs (Feldspathic). Eighty rectangular shaped specimens were made (20 of each material) using a low-speed diamond disc with the following dimensions (12/10/ 1 mm). The samples were polished using polishing kit & paste (DIAPOL, EVE). A glaze (Universal overglaze, Dentsply Sirona) was applied to all the samples then a toothbrushing simulator was used for 10.000 cycles using two different toothpastes. Surface gloss was assessed before and after simulated tooth brushing using glossmeter.</p><p><strong>Results: </strong>The results showed a significant reduction in the mean surface gloss of the four materials after the use of regular and abrasive toothpastes (P < 0.001). In all materials, the use of abrasive toothpaste was associated with more reduction of surface gloss (P < 0.001).</p><p><strong>Conclusion: </strong>Simulated tooth brushing and toothpaste type affect the surface gloss of glazed monolithic all-ceramic materials.</p><p><strong>Clinical significance: </strong>The surface characteristics of monolithic all-ceramic materials is affected by abrasion from toothbrushing which could impact the surface of the materials and possibly alter the glaze coating, compromising the restoration's longevity and esthetics. This effect was greater with the use of abrasive toothpaste.</p>","PeriodicalId":10461,"journal":{"name":"Clinical Oral Investigations","volume":"29 2","pages":"133"},"PeriodicalIF":3.1,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143440194","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
Ion release, cytocompatibility and microbial inhibition of a novel varnish containing fluoride-doped bioactive glass ceramics: an in vitro study.
IF 3.1 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-02-16 DOI: 10.1007/s00784-025-06202-x
Panmella Pereira Maciel, Eudes Leonnan Gomes de Medeiros, Lucas Ricardo Fernandes Figueiredo, Rebeca Tibau Aguiar Dias, Eduarda Gomes Onofre de Araújo, Roberta Ferreti Bonan Dantas Batista, Sara Brito Silva Costa Cruz, Ricardo Dias de Castro, Joelma Rodrigues de Souza, Eliton Souto de Medeiros, Romualdo Rodrigues Menezes, André Ulisses Dantas Batista, Paulo Rogério Ferreti Bonan

Objectives: The study aimed to develop and evaluate in vitro a varnish containing fluoride-doped glass ceramics capable of inhibiting oral microorganisms, releasing hydroxyapatite-forming ions, and ensuring biocompatibility.

Materials and methods: For the production of the experimental varnish (VE), composed of hydrogenated rosin, 10% and 20% by weight of glass ceramics with composition S53P4 (CF0) and doped with F- ions (CF5 and CF10) were incorporated. The EVs were characterized by Rheology, Scanning Electron Microscopy (SEM), FTIR, ion release (fluoride and calcium ions), cytotoxicity on VERO cells, and antimicrobial effect on S. mutans, S. aureus and C. albicans and anti-biofilm effect on S. mutans. The data were analyzed by One-Way ANOVA and Kruskal-Wallis test (P = 0.05).

Results: Homogeneous varnishes with good viscosity were obtained. Varnishes with 20% CF demonstrated biocompatibility and minimum inhibitory concentration (MIC) at concentrations lower than 10 mg/mL and 3.12 mg/mL, respectively, except for C. albicans. An anti-biofilm effect on S. mutans was observed for the varnishes with 20% CF. All varnishes with CF released more F- than the commercial varnish, with V20CF10 standing out, which released 4 times more F- ions in a quarter of the time.

Conclusions: The V20CF10 varnish is a promising material for dental use in the treatment of early caries lesions, due to its biocompatibility, antimicrobial properties, and release of hydroxyapatite-forming ions.

Clinical relevance: The use of a new varnish that combines antimicrobial properties with hydroxyapatite-forming ion release may prevent or halt the progression of dental caries lesions, offering greater efficacy than currently available varnishes.

{"title":"Ion release, cytocompatibility and microbial inhibition of a novel varnish containing fluoride-doped bioactive glass ceramics: an in vitro study.","authors":"Panmella Pereira Maciel, Eudes Leonnan Gomes de Medeiros, Lucas Ricardo Fernandes Figueiredo, Rebeca Tibau Aguiar Dias, Eduarda Gomes Onofre de Araújo, Roberta Ferreti Bonan Dantas Batista, Sara Brito Silva Costa Cruz, Ricardo Dias de Castro, Joelma Rodrigues de Souza, Eliton Souto de Medeiros, Romualdo Rodrigues Menezes, André Ulisses Dantas Batista, Paulo Rogério Ferreti Bonan","doi":"10.1007/s00784-025-06202-x","DOIUrl":"10.1007/s00784-025-06202-x","url":null,"abstract":"<p><strong>Objectives: </strong>The study aimed to develop and evaluate in vitro a varnish containing fluoride-doped glass ceramics capable of inhibiting oral microorganisms, releasing hydroxyapatite-forming ions, and ensuring biocompatibility.</p><p><strong>Materials and methods: </strong>For the production of the experimental varnish (VE), composed of hydrogenated rosin, 10% and 20% by weight of glass ceramics with composition S53P4 (CF0) and doped with F- ions (CF5 and CF10) were incorporated. The EVs were characterized by Rheology, Scanning Electron Microscopy (SEM), FTIR, ion release (fluoride and calcium ions), cytotoxicity on VERO cells, and antimicrobial effect on S. mutans, S. aureus and C. albicans and anti-biofilm effect on S. mutans. The data were analyzed by One-Way ANOVA and Kruskal-Wallis test (P = 0.05).</p><p><strong>Results: </strong>Homogeneous varnishes with good viscosity were obtained. Varnishes with 20% CF demonstrated biocompatibility and minimum inhibitory concentration (MIC) at concentrations lower than 10 mg/mL and 3.12 mg/mL, respectively, except for C. albicans. An anti-biofilm effect on S. mutans was observed for the varnishes with 20% CF. All varnishes with CF released more F- than the commercial varnish, with V20CF10 standing out, which released 4 times more F- ions in a quarter of the time.</p><p><strong>Conclusions: </strong>The V20CF10 varnish is a promising material for dental use in the treatment of early caries lesions, due to its biocompatibility, antimicrobial properties, and release of hydroxyapatite-forming ions.</p><p><strong>Clinical relevance: </strong>The use of a new varnish that combines antimicrobial properties with hydroxyapatite-forming ion release may prevent or halt the progression of dental caries lesions, offering greater efficacy than currently available varnishes.</p>","PeriodicalId":10461,"journal":{"name":"Clinical Oral Investigations","volume":"29 2","pages":"132"},"PeriodicalIF":3.1,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143432420","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
Gingival phenotype prevalence of lower incisors and associated risk indicators in the French dental student population: a cross-sectional study.
IF 3.1 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-02-15 DOI: 10.1007/s00784-025-06206-7
Sophie-Myriam Dridi, Clément Ameline, Caterina Masucci, Eric Fontas, Carole Charavet

Objectives: To investigate the prevalence of the gingival phenotype in the mandibular incisor area and the associated risk indicators.

Materials and methods: This cross-sectional study involved clinical examination to record main periodontal characteristics (gingival phenotypes) at the tooth level. Then, a phenotype at the subject level was defined as fragile (at least one thin phenotype on one of the four incisors) versus resistant (no thin phenotype on the four incisors). Furthermore, orthodontic parameters were assessed based on photographic examination. Two blinded periodontists and two blinded orthodontists were involved in the data collection. Univariate and multivariate logistic regression models were implemented.

Results: A total of 119 students were included, encompassing 476 incisors. The prevalence of gingival phenotypes at the tooth level was as follows: thin/high (63.9%), thick/high (36.3%), thin/reduced (5.9%), and thick/reduced (0.2%). At the subject level, the fragile phenotype predominated (81.5%) and showed a significant correlation with the visibility of roots prominence (OR = 4.09, 95% CI: 1.47-11.41, p = 0.007).

Conclusions: Considering the conditions of this study, in the mandibular incisor area, the thin/high gingival phenotype exhibited the highest prevalence at the tooth level. At the subject level, the presence of visible roots prominence was identified as the only significant risk indicator associated with the fragile phenotype.

Clinical relevance: General practitioners, periodontists and orthodontists should consider the mandibular incisor sector as a vulnerable area. Categorizing the overall gingival phénotype into 4 types improves the diagnostic approach and allows better identification of high-risk phenotypes, especially in cases requiring multidisciplinary management.

Clinicaltrial:

Gov record: Number NCT05813444.

目的研究下颌切牙区牙龈表型的流行率及相关风险指标:这项横断面研究通过临床检查记录牙齿层面的主要牙周特征(牙龈表型)。然后,将受试者的表型定义为脆弱型(四颗门牙中至少有一颗出现薄表型)和抵抗型(四颗门牙均无薄表型)。此外,还根据照片检查评估了正畸参数。两名盲牙周病学家和两名盲正畸学家参与了数据收集工作。采用单变量和多变量逻辑回归模型:结果:共纳入 119 名学生,涉及 476 颗门牙。牙龈表型在牙齿层面的流行率如下:薄/高(63.9%)、厚/高(36.3%)、薄/减薄(5.9%)和厚/减薄(0.2%)。在受试者层面,脆性表型占多数(81.5%),并与牙根突出的可见度有显著相关性(OR = 4.09,95% CI:1.47-11.41,p = 0.007):考虑到本研究的条件,在下颌切牙区域,薄/高牙龈表型在牙齿层面的流行率最高。在受试者层面,可见牙根突出是与脆弱表型相关的唯一重要风险指标:临床意义:全科医生、牙周病学家和正畸学家应将下颌切牙区视为易受伤害的区域。将总体牙龈畸形分为 4 种类型可以改进诊断方法,更好地识别高风险表型,尤其是在需要多学科管理的病例中:Gov record:编号 NCT05813444。
{"title":"Gingival phenotype prevalence of lower incisors and associated risk indicators in the French dental student population: a cross-sectional study.","authors":"Sophie-Myriam Dridi, Clément Ameline, Caterina Masucci, Eric Fontas, Carole Charavet","doi":"10.1007/s00784-025-06206-7","DOIUrl":"10.1007/s00784-025-06206-7","url":null,"abstract":"<p><strong>Objectives: </strong>To investigate the prevalence of the gingival phenotype in the mandibular incisor area and the associated risk indicators.</p><p><strong>Materials and methods: </strong>This cross-sectional study involved clinical examination to record main periodontal characteristics (gingival phenotypes) at the tooth level. Then, a phenotype at the subject level was defined as fragile (at least one thin phenotype on one of the four incisors) versus resistant (no thin phenotype on the four incisors). Furthermore, orthodontic parameters were assessed based on photographic examination. Two blinded periodontists and two blinded orthodontists were involved in the data collection. Univariate and multivariate logistic regression models were implemented.</p><p><strong>Results: </strong>A total of 119 students were included, encompassing 476 incisors. The prevalence of gingival phenotypes at the tooth level was as follows: thin/high (63.9%), thick/high (36.3%), thin/reduced (5.9%), and thick/reduced (0.2%). At the subject level, the fragile phenotype predominated (81.5%) and showed a significant correlation with the visibility of roots prominence (OR = 4.09, 95% CI: 1.47-11.41, p = 0.007).</p><p><strong>Conclusions: </strong>Considering the conditions of this study, in the mandibular incisor area, the thin/high gingival phenotype exhibited the highest prevalence at the tooth level. At the subject level, the presence of visible roots prominence was identified as the only significant risk indicator associated with the fragile phenotype.</p><p><strong>Clinical relevance: </strong>General practitioners, periodontists and orthodontists should consider the mandibular incisor sector as a vulnerable area. Categorizing the overall gingival phénotype into 4 types improves the diagnostic approach and allows better identification of high-risk phenotypes, especially in cases requiring multidisciplinary management.</p><p><strong>Clinicaltrial: </strong></p><p><strong>Gov record: </strong>Number NCT05813444.</p>","PeriodicalId":10461,"journal":{"name":"Clinical Oral Investigations","volume":"29 2","pages":"130"},"PeriodicalIF":3.1,"publicationDate":"2025-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143424425","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
Salivary microbiota characterization of Yerba Mate consumers in Uruguay.
IF 3.1 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-02-15 DOI: 10.1007/s00784-025-06209-4
Barbara Garcia, María Fernanda Dominguez, Lucia Spangenberg, Tamara Fernandez-Calero

Introduction: Yerba Mate (YM) is a green-colored infusion, derived from the Ilex paraguariensis plant, very popular and commonly consumed in Latin American countries (southern Brazil, Argentina, Paraguay, and Uruguay), rapidly gaining penetration in global markets, It's a beverage rich in polyphenols, alkaloids, and saponins, making its impact on the oral microbiome particularly interesting.

Objectives: This study aimed to characterize the composition of salivary microbiota in Uruguayan YM consumers and non-consumers, exploring potential implications for oral health.

Materials and methods: Salivary samples were collected from 24 YM consumers and 28 non-consumers in Uruguay (n = 52). Participants were dentistry students, aged 18 to 35, with no reported pathologies and who had no oral conditions after visual inspection. 16S rRNA gene metabarcoding Illumina sequencing was employed to analyze their microbial composition. Bioinformatic analysis was conducted to identify and compare microbial taxa between the two groups. Relevant demographic and dietary data were also collected and analyzed.

Results: The salivary microbiome of YM consumers is not completely different from non-consumers, however, several particular characteristics were found in each group. Both YM consumers and non-consumers exhibited a high relative abundance of Streptococcus species, with Streptococcus oralis being more abundant in a subset of non-consumers suggesting that YM may help maintain a balanced oral microbiota. Although no significant differences were observed in the Shannon diversity index, YM consumers might have a more diverse microbiome than non-consumers (YM consumers showed significantly higher species richness (Chao1 index), a greater number of amplicon sequence variants (ASVs), and broader microbial diversity, as confirmed by multivariate analyses). While the presence of Prevotella spp. in YM consumers aligns with previous research on polyphenol-rich beverages, its role in oral health warrants further investigation.

Conclusions: This study highlights the influence of YM consumption on salivary microbiota composition and diversity. YM consumption was associated with increased microbial diversity and species richness, which may contribute to oral microbiome resilience and health. These findings underscore the impact of dietary habits on oral microbial communities and their potential implications for oral health management and disease prevention.

简介耶巴马黛茶(Yerba Mate,YM)是一种绿茶,提取自Ilex paraguariensis植物,在拉美国家(巴西南部、阿根廷、巴拉圭和乌拉圭)非常流行和普遍饮用,并迅速渗透到全球市场:本研究旨在分析乌拉圭 YM 消费者和非消费者唾液微生物群的组成特征,探讨其对口腔健康的潜在影响:收集了乌拉圭 24 名 YM 消费者和 28 名非消费者(n = 52)的唾液样本。参与者均为牙科专业学生,年龄在 18 至 35 岁之间,没有病史报告,经目测没有口腔疾病。采用 16S rRNA 基因代谢编码 Illumina 测序技术分析了他们的微生物组成。通过生物信息学分析,确定并比较了两组人的微生物类群。此外,还收集并分析了相关的人口统计学和饮食数据:结果:YM 消费者的唾液微生物群与非消费者的唾液微生物群并不完全不同,但在每个群体中都发现了一些特殊的特征。乳酸菌消费者和非消费者的链球菌相对含量都很高,其中口腔链球菌在非消费者中含量更高,这表明乳酸菌可能有助于维持口腔微生物群的平衡。虽然在香农多样性指数方面没有观察到明显差异,但与非消费者相比,YM 消费者的微生物群可能更多样化(经多元分析证实,YM 消费者的物种丰富度(Chao1 指数)明显更高,扩增子序列变异(ASVs)数量更多,微生物多样性更广泛)。虽然 YM 消费者中存在的普雷沃特氏菌与之前关于富含多酚的饮料的研究一致,但其在口腔健康中的作用值得进一步研究:本研究强调了饮用 YM 对唾液微生物群组成和多样性的影响。饮用 YM 与微生物多样性和物种丰富度的增加有关,这可能有助于口腔微生物群的恢复和健康。这些发现强调了饮食习惯对口腔微生物群落的影响及其对口腔健康管理和疾病预防的潜在意义。
{"title":"Salivary microbiota characterization of Yerba Mate consumers in Uruguay.","authors":"Barbara Garcia, María Fernanda Dominguez, Lucia Spangenberg, Tamara Fernandez-Calero","doi":"10.1007/s00784-025-06209-4","DOIUrl":"10.1007/s00784-025-06209-4","url":null,"abstract":"<p><strong>Introduction: </strong>Yerba Mate (YM) is a green-colored infusion, derived from the Ilex paraguariensis plant, very popular and commonly consumed in Latin American countries (southern Brazil, Argentina, Paraguay, and Uruguay), rapidly gaining penetration in global markets, It's a beverage rich in polyphenols, alkaloids, and saponins, making its impact on the oral microbiome particularly interesting.</p><p><strong>Objectives: </strong>This study aimed to characterize the composition of salivary microbiota in Uruguayan YM consumers and non-consumers, exploring potential implications for oral health.</p><p><strong>Materials and methods: </strong>Salivary samples were collected from 24 YM consumers and 28 non-consumers in Uruguay (n = 52). Participants were dentistry students, aged 18 to 35, with no reported pathologies and who had no oral conditions after visual inspection. 16S rRNA gene metabarcoding Illumina sequencing was employed to analyze their microbial composition. Bioinformatic analysis was conducted to identify and compare microbial taxa between the two groups. Relevant demographic and dietary data were also collected and analyzed.</p><p><strong>Results: </strong>The salivary microbiome of YM consumers is not completely different from non-consumers, however, several particular characteristics were found in each group. Both YM consumers and non-consumers exhibited a high relative abundance of Streptococcus species, with Streptococcus oralis being more abundant in a subset of non-consumers suggesting that YM may help maintain a balanced oral microbiota. Although no significant differences were observed in the Shannon diversity index, YM consumers might have a more diverse microbiome than non-consumers (YM consumers showed significantly higher species richness (Chao1 index), a greater number of amplicon sequence variants (ASVs), and broader microbial diversity, as confirmed by multivariate analyses). While the presence of Prevotella spp. in YM consumers aligns with previous research on polyphenol-rich beverages, its role in oral health warrants further investigation.</p><p><strong>Conclusions: </strong>This study highlights the influence of YM consumption on salivary microbiota composition and diversity. YM consumption was associated with increased microbial diversity and species richness, which may contribute to oral microbiome resilience and health. These findings underscore the impact of dietary habits on oral microbial communities and their potential implications for oral health management and disease prevention.</p>","PeriodicalId":10461,"journal":{"name":"Clinical Oral Investigations","volume":"29 2","pages":"131"},"PeriodicalIF":3.1,"publicationDate":"2025-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143424426","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
Genetic risk factors for periodontitis: a genome-wide association study using UK Biobank data.
IF 3.1 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-02-14 DOI: 10.1007/s00784-025-06205-8
Chenyi Gao, Mark M Iles, David Timothy Bishop, Harriet Larvin, David Bunce, Bei Wu, Huabin Luo, Luigi Nibali, Susan Pavitt, Jianhua Wu, Jing Kang

Objectives: Periodontitis is linked with many health conditions, but its genetic basis is not yet understood. This genome-wide association study (GWAS) aimed to investigate the genetic variants associated with periodontitis.

Materials and methods: This study utilised UK Biobank participants of European descent. Individuals were categorised as "having periodontitis" if they self-reported having 'painful gums', 'bleeding gums' or 'loose teeth' (n = 68,482), or as "controls" for those without these symptoms (n = 307,342). We conducted GWAS of this binary periodontitis phenotype using logistic regression models with PLINK2.0 adjusting for age, sex and the first 15 principal components to account for population stratification.

Results: There were 376,611 participants (mean baseline age = 57 ± 7.9 SD) included in the GWAS, and four significant loci were identified: rs775476621 on chromosome 11 (Odds Ratio, OR[T]: 3.08, p = 1.01 × 10- 8), rs751014048 on chromosome 11 (OR[G]: 3.07, p = 1.04 × 10- 8), rs149922301 on chromosome 4 near gene RP11-61G19.1 (OR[A]: 1.18, p = 2.71 × 10- 8) and rs368467810 on chromosome 6 near gene HIST1H3L (OR[TTTA]: 0.96, p = 3.88 × 10- 8).

Conclusions: Within the current limitations, such as self-reported phenotype and older age of the study population, four loci were detected for periodontitis that have not previously been linked with this condition. Further exploration of the function of these loci may contribute to improved understanding of periodontitis aetiology and subsequent drug development.

Clinical relevance: These findings offer new targets for future research to investigate the genetic impact on periodontitis and aid the future understanding of periodontitis pathology and the disease's progression.

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引用次数: 0
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Clinical Oral Investigations
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