BMC Oral Health最新文献

{"title":"Laboratory investigation of the association between oral lichen planus and Hashimoto's thyroiditis.","authors":"Yang Liu, Yunju Tang, Zengtong Zhou, Xuemin Shen, Wei Liu","doi":"10.1186/s12903-025-05780-2","DOIUrl":"10.1186/s12903-025-05780-2","url":null,"abstract":"<p><strong>Background: </strong>Previous studies have shown some relationship between oral lichen planus (OLP) and certain systemic comorbidities. The aim of this study was to investigate laboratory parameters between cases of Hashimoto's thyroiditis (HT) concomitant with OLP and cases of HT only.</p><p><strong>Methods: </strong>This case-control study comprised 59 HT patients with OLP and 76 without OLP, all of whom had 5 serum thyroid-related indicators, including thyroid peroxidase antibody (TPOAb), thyroglobulin antibody (TGAb), thyroid stimulating hormone (TSH), free triiodothyronine (FT3), and free thyroxine (FT4).</p><p><strong>Results: </strong>Compared to cases of HT only, female predominance, presence of thyroid nodules, positive TGAb, and higher FT3/FT4 ratio were mainly observed in cases of HT concomitant with OLP (all P < 0.05). Multivariate regression analysis revealed that presence of thyroid nodules (odds ratio [OR], 10.328; 95% confidence interval [CI], 2.564-41.604), positive TGAb (OR, 6.936; 95%CI, 2.024-23.765), and higher FT3/FT4 ratio (OR, 2.577; 95%CI, 1.377-4.823) were associated significantly (all P < 0.005) with higher risk of OLP occurrence in 135 HT patients. Notably, these significant associations were not found among 30 male patients but did among 105 female patients in regression analysis.</p><p><strong>Conclusion: </strong>This retrospective study revealed that presence of thyroid nodule, positive TGAb, and high FT3/FT4 ratio as risk factors were significantly associated with OLP occurrence risk in female patients with HT. This suggests that female patients suffering from HT, particularly who presented with the risk factors, should be informed about the risk of OLP development and the need for oral mucosal examination to screen for lichen lesions.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"429"},"PeriodicalIF":2.6,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11934608/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143708410","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}

{"title":"Cartoon-assisted visual/auditory distraction usage in paediatric dental care, assessment of effects on patient anxiety, pain, and behaviour: a randomised crossover clinical trial.","authors":"Nilüfer Üstün, Beyza Ballı Akgöl, Merve Bayram","doi":"10.1186/s12903-025-05770-4","DOIUrl":"10.1186/s12903-025-05770-4","url":null,"abstract":"<p><strong>Objectives: </strong>This randomized crossover clinical trial designed to evaluate the impact of visual and auditory distraction techniques on pediatric patients' anxiety, pain perception, and behavior during dental treatment. The study specifically focuses on children, aiming to determine whether distraction methods can effectively reduce anxiety levels, alleviate pain experiences, and improve cooperative behavior in a clinical setting.</p><p><strong>Method and materials: </strong>Children aged 4 to 9 years receiving routine dental care at the Pediatric Dentistry Clinic, Istanbul Medipol University, were randomly assigned to Group 1 (distraction first, then tell-show-do) or Group 2 (tell-show-do first, then distraction), with a two-week washout period before switching interventions. Anxiety was assessed using the Venham Picture Test and pulse rate, pain perception with the Sounds, Eyes, and Motor Scale during local anesthesia and the Wong-Baker FACES Pain Rating Scale during treatment, while cooperation and behavior were evaluated using the Houpt Scale. Statistical analysis was conducted using Mann-Whitney U, Student's t-test, Paired t-test, and Wilcoxon test, with the significance level set at 0.025 using the Bonferroni correction.</p><p><strong>Results: </strong>Sixty-eight patients (37 female, 31 male) with a mean age of 6.69 ± 1.08 years completed the study (Group 1: n = 32, Group 2: n = 36). The cartoon-assisted distraction technique did not significantly reduce anxiety compared to the tell-show-do method. A non-significant reduction in pain perception was observed during local anesthesia with distraction. However, this technique significantly reduced self-reported pain during treatment (p < 0.025) and improved child cooperation and behavior.</p><p><strong>Conclusion: </strong>Cartoon-assisted visual and auditory distraction can alleviate pain perception and improve behavior during pediatric dental procedures. However, it does not appear to reduce dental anxiety or pain perception during local anesthesia. Integrating this technique with the traditional tell-show-do approach may enhance the pediatric dental experience.</p><p><strong>Trial registration: </strong>The trial was registered at ClinicalTrials.gov, number NCT04927754, 06/01/2021.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"425"},"PeriodicalIF":2.6,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11931860/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143699601","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}

{"title":"Oral frailty and its influencing factors in patients with cancer undergoing chemotherapy: a cross-sectional study.","authors":"Fangyi Li, Tian Xiao, Xueqin Qiu, Chunmei Liu, Qiumei Ma, Dongmei Yu, Linyu Zhou, Ruihan Xiao, Biao He, Ao Tang, Xiaoju Chen","doi":"10.1186/s12903-025-05789-7","DOIUrl":"10.1186/s12903-025-05789-7","url":null,"abstract":"<p><strong>Background: </strong>Oral frailty is one of the easily overlooked complications in patients with cancer, which is as important as dietary dysfunction, malnutrition and other complications. However, limited research exists on the factors influencing oral frailty in patients with cancer undergoing chemotherapy. The objective of this study is to investigate the incidence of oral frailty in patients with cancer undergoing chemotherapy and to analyze the factors that influence it.</p><p><strong>Methods: </strong>A convenience sampling method was used to select patients with cancer undergoing chemotherapy from three tertiary hospitals in Chengdu, Sichuan Province. The Oral Frailty Index-8 (OFI-8) was utilized to assess the patients' oral frailty status. The Chemotherapy-induced Taste Alteration Scale(CiTAS), the Acceptance of Illness Scale(AIS), and the Family Adaptation, Partnership, Growth, Affection, Resolve Index(APGAR) were used to assess the patients' taste changes, levels of acceptance of illness, and family functioning levels, respectively. Additionally, descriptive analysis, univariate analysis, and multiple linear stepwise regression analysis were conducted.</p><p><strong>Results: </strong>The incidence of oral frailty among patients with cancer undergoing chemotherapy was found to be 57.58%. Additionally, oral frailty was positively correlated with chemotherapy-induced taste alteration, while it was negatively correlated with acceptance of illness and family functioning. Furthermore, multiple linear stepwise regression analysis revealed that factors such as disease duration, history of radiation therapy, dry mouth, dentures, chemotherapy-induced taste alteration, acceptance of illness, and family functioning significantly influenced oral frailty in these patients, accounting for a total variance of 54.6%.</p><p><strong>Conclusion: </strong>The incidence of oral frailty is notably high among patients with cancer undergoing chemotherapy. Several factors, such as disease duration, history of radiation therapy, dry mouth, the use of dentures, chemotherapy-induced taste alteration, acceptance of illness, and family functioning, significantly affect the degree of oral frailty. This highlights the necessity for healthcare providers to implement preventive management strategies based on these factors, and to modify oral care plans accordingly to prevent or mitigate the onset and progression of oral frailty in patients with cancer undergoing chemotherapy.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"426"},"PeriodicalIF":2.6,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11934545/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143699604","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}

{"title":"Development and validation of a single latent variable self-reported periodontal disease scale based on the disease's common signs and symptoms in Saudi adults.","authors":"Yasmine N Alawaji, Mohamed H Alqasoumi, Saleh N Alwatban, Abdulaziz M Halwani, Lamya A Aljnoubi, Bayan K Alshehri, May K Alenezi","doi":"10.1186/s12903-025-05804-x","DOIUrl":"10.1186/s12903-025-05804-x","url":null,"abstract":"<p><strong>Background: </strong>Many studies attempted to evaluate and improve the accuracy of self-reported periodontal disease questionnaire to provide a feasible tool for screening the disease. The aim of this study was to develop and validate a self-reported periodontal disease screening scale (SRPDSS) in Saudi adults and to identify the association of periodontal disease with sociodemographic determinants and oral health behaviors.</p><p><strong>Methods: </strong>The data was collected digitally from Saudi adults (≥ 18 years) in Riyadh city using a questionnaire that inquired about sociodemographic characteristics, oral health behaviors and self-reported periodontal disease. The SRPDSS was developed using items from the literature or suggested by this study authors. The scale was validated for its construct validity and psychometric properties.</p><p><strong>Results: </strong>A total of 559 participants met the eligibility criteria out of 894 invited individuals. The mean (SD) age was 31.7 (12.7) and 68.5% of the participants were women. The scale items were selected based on common signs and symptoms of periodontal disease and the scale was confirmed to have a total of 10 items and a single latent variable using confirmatory factor analysis. The internal consistency using Cronbach alpha was acceptable = 0.75 and the test re-test reliability using Spearman's correlation coefficient was excellent = 0.93. The final scale's goodness of fit was acceptable as indicated by the Root Mean Square Error of Approximation (RMSEA) = 0.078, upper bound of the RMSEA 90% CI = 0.093, and the Standardized Root Mean Square (SRMR) = 0.059. Using linear regression analysis, the self-reported periodontal disease had statistically significant associations with age > 30 years; coefficient: 1.19 (95% confidence interval [CI]: 0.22, 2.70), lower parents' income; coefficient: 1.5, (95% CI: 0.58, 2.42), lower parents' education; coefficient: 1.1, (95% CI: 0.28. 1.92), regular dental visits; coefficient: -1.79 (95% CI: -2.70, -0.89), regular toothbrushing; coefficient: -1.51 (95% CI: -2.32, -0.70).</p><p><strong>Conclusions: </strong>This study developed and validated a 10-item self-reported periodontal disease screening tool based on its signs and symptoms in Saudi adults. The self-reported periodontal disease was significantly associated with older age, lower parents' socioeconomic status, irregular brushing, and lack of regular dental visits.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"424"},"PeriodicalIF":2.6,"publicationDate":"2025-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11931856/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143690903","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}

{"title":"Clinical course of jaw function recovery following surgical treatment in patients with temporomandibular joint ankylosis- correlation with mouth opening rehabilitation.","authors":"Yushi Ezoe, Shinnosuke Nogami, Yoshio Otake, Masatoshi Chiba, Tetsu Takahashi, Kensuke Yamauchi","doi":"10.1186/s12903-025-05806-9","DOIUrl":"10.1186/s12903-025-05806-9","url":null,"abstract":"<p><strong>Purpose: </strong>Treatment of osseous temporomandibular joint ankylosis often requires a surgical procedure. While postoperative rehabilitation is important for prevention of relapse, the contributions of rehabilitation and period of such therapy remain unclear. The present study was performed to evaluate the effects of rehabilitation on range of mouth opening after TMJA surgery.</p><p><strong>Methods: </strong>Twelve patients who underwent surgery for gap arthroplasty or interpositional arthroplasty were enrolled. The course of maximal incisal opening in patients divided by surgical method, gap size, and period of rehabilitation, particularly relapse of maximal incisal opening was analyzed.</p><p><strong>Results: </strong>Average relapse of maximal incisal opening after surgery in patients with a gap size ≥ 15 mm was 12.0 ± 11.2 mm, while that in those with a gap size < 15 mm was 8.9 ± 12.6 mm. Average relapse of maximal incisal opening after surgery in patients with gap arthroplasty was 12.3 ± 7.6 mm, while that in those with interpositional arthroplasty was 7.5 ± 15.2 mm. Patients with a rehabilitation period of < 12 months after surgery showed an average relapse of maximal incisal opening of 14.1 ± 10.7 mm, while that in those who underwent rehabilitation for ≥ 12 months was 7.4 ± 16.3 mm.</p><p><strong>Conclusions: </strong>During the relatively long-term clinical follow-up period of 24 months, the importance of rehabilitation was noted and the present results demonstrate its role in preventing relapse after TMJA surgery.</p><p><strong>Trial registration: </strong>UMIN CTR, UMIN000054982 (17/7/2024), (Retrospectively registered).</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"423"},"PeriodicalIF":2.6,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11930012/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143690901","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}

{"title":"Evaluation of palatal mucosal thickness in maxillary posterior teeth using cone-beam computed tomography combined with intraoral scanning: a cross-sectional study on correlating factors.","authors":"Shaoqing Sun, Tongfen Zhang, Wenxi Zhao, Zikai Gong, Linglu Jia, Weiting Gu, Yong Wen","doi":"10.1186/s12903-025-05805-w","DOIUrl":"10.1186/s12903-025-05805-w","url":null,"abstract":"<p><strong>Objectives: </strong>Cone-beam computed tomography (CBCT) combined with intraoral scanning (IOS) technology was used to measure and analyze the variation patterns of the palatal masticatory mucosa (PMM) in the maxillary posterior region and its correlation with gender, gingival biotype (GB), and the palatal bone thickness (PBT), thereby establishing a theoretical foundation for autogenous soft tissue augmentation procedures.</p><p><strong>Materials and methods: </strong>A total of 57 Han Chinese patients and 342 affected teeth were included in the study. CBCT and IOS data were obtained for all participants, and 3D models were constructed by segmenting CBCT images based on standardized parameters, followed by alignment with IOS data using reference points. Measurements were conducted at predetermined intervals to evaluate PMM, PBT, and GB. The variability of PMM from the first premolar to the first molar was analyzed bilaterally by gender, age, and GB using t-tests and Games-Howell post-hoc analysis. Pearson's correlation test examined the relationship between PMM and PBT, while linear regression models were utilized to evaluate associations between PMM and clinical factors such as gender, age, and PBT.</p><p><strong>Results: </strong>There was no statistically significant difference in PMM between the left and right sides of the maxilla (P > 0.05). Overall, PMM increased with greater distance from the gingival margin, and statistically significant differences were observed between specific measurement points at different tooth positions. The second premolar exhibited the greatest thickness at 6 mm, 8 mm, and 10 mm. Gender had a relatively minor impact on PMM. Significant differences in PMM were observed across age groups, with the middle-aged group showing greater PMM compared to the younger group (P < 0.05). At 2 mm from the first molar's gingival margin, significant PMM differences were identified between different GB (P < 0.05). The correlation between PBT and PMM was weak. Regression analysis revealed age as a primary determinant of PMM, with gender and PBT exerting site-specific effects.</p><p><strong>Conclusions: </strong>CBCT combined with IOS proved effective in measuring maxillary PMM. The maxillary posterior region exhibited a symmetrical distribution of PMM, with premolar areas identified as optimal for soft tissue graft harvesting. While no significant correlation was found with gender, GB, or PBT, the mucosa was notably thicker in middle-aged individuals.</p><p><strong>Clinical relevance: </strong>This study presents comprehensive data on PMM thickness across various tooth positions and distances from the gingival margin, facilitating the identification of optimal donor sites for autologous grafts. It highlights regional and ethnic variations in PMM thickness among Han Chinese patients and validates the combined use of CBCT and IOS for accurate, non-invasive measurements.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"421"},"PeriodicalIF":2.6,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11929230/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143676693","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}

{"title":"The effect of virtual reality simulators on tooth preparation skills of dental students.","authors":"Burcu Dündar, Fehmi Gönüldaş, Bora Akat, Kaan Orhan","doi":"10.1186/s12903-025-05812-x","DOIUrl":"10.1186/s12903-025-05812-x","url":null,"abstract":"&lt;p&gt;&lt;strong&gt;Backround: &lt;/strong&gt;It has been considered that the preclinical education may be inadequate in the development of preparation skills of dental students. With technological developments, there is an increase in the use of computer-aided simulations in dental education. Virtual reality (VR) patient simulators promise practice in a realistic environment with detailed, frequent and objective feedback, but it remains unclear whether these features lead to better or faster skill acquisition. This study aims to investigate the impact of virtual reality simulations on students' clinical preparation skills.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Methods: &lt;/strong&gt;In this study, tooth preparation data of 100 fourth-year students who practiced preparation with a virtual reality device and had real patient experience, as well as a group of 100 fifth-year students who had no prior virtual reality experience but had real patient experience, were transferred to the exocad&lt;sup&gt;®&lt;/sup&gt; DentalCAD program, a CAD software, for the measurement of TOC (Total Occlusal Convergence) angles. The data obtained from these measurements were analyzed using the SPSS program. In addition to this study, 25 random individuals from both groups underwent preparation in a phantom model in order to make a comparison between different experience environments. Finally, a questionnaire was administered to the group trained in the simulator to evaluate the students' perspective on this new training method. Independent sample T test and single sample analysis of variance (ANOVA), which are parametric test methods, and Tukey HSD, which is a post hoc test, were used in statistical analyses. With the t test, which is used to investigate whether there is a difference between two sample groups in terms of averages, we aimed to investigate the significance between class level and tooth cutting surface by using group statistics and descriptive analysis data of the preparations. With the ANOVA test, which is a statistical analysis method used to compare the averages between at least three groups, we looked at whether the preparations we made in 3 different experience environments produced a significant result according to the tooth cutting surface, and then we investigated which experience group was the source of the significance with the tukey test.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Results: &lt;/strong&gt;In the descriptive statistical analysis, it was determined that the average preparation angles of the 4th-year students were lower than those of the 5th-year students. Accordingly, it is possible to say that grade levels affect all surface preparation results in a statistically significant way. In descriptive statistics regarding patient preparation experience, the averages of the preparation angles taken according to the tooth surfaces of the 4th and 5th Grades are; The averages of the mesial, distal and buccal surfaces are close to each other, but only on the palatal surfaces, there is a significant difference between the averages","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"422"},"PeriodicalIF":2.6,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11930006/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143690913","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}

{"title":"Correction to: The role of EMILIN-1 in the osteo/odontogenic differentiation of dental pulp stem cells.","authors":"Pingmeng Deng, Jing Huang, Qixuan Zhang, Yuejia Li, Jie Li","doi":"10.1186/s12903-025-05759-z","DOIUrl":"10.1186/s12903-025-05759-z","url":null,"abstract":"","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"419"},"PeriodicalIF":2.6,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11929322/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143676584","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}

{"title":"Development and validation of a polyfit approach for assessing alveolar bone loss using panoramic radiography.","authors":"Erkang Tian, Jiawei Hong, Zihua Tang, Ruiting Ren, Shuoshun Li, Abbas Ahmed Abdulqader, Mingshan Li, Chaoran Xue, Xianglong Han, Juan Li","doi":"10.1186/s12903-025-05714-y","DOIUrl":"10.1186/s12903-025-05714-y","url":null,"abstract":"<p><strong>Background: </strong>Panoramic radiographs (PAN) are one of the most common diagnostic tools in clinical practice. Periodontal disease, the second most prevalent oral disease, significantly impacts patients' quality of life. However, there is currently no standardized and quantitative image analysis method for periodontal diagnosis. This study aims to estimate alveolar bone loss in six sextants of the mouth using the Polyfit approach on panoramic radiography. This approach utilizes ratio and proportional measurements based on fixed anatomical points to improve the accuracy of assessing bone loss.</p><p><strong>Methods: </strong>In this retrospective clinical study, we assessed alveolar bone loss (ABL) in 290 subjects. The subjects were divided into two groups, the resorption group (abbreviated to ABL) and non-resorption group (abbreviated to non-ABL), based on the presence of any ABL sextants. Each tooth was manually marked with reference anatomical landmarks using Anaconda-Labelme 5.2.1 software. To evaluate the proportionate bone resorption for each tooth, we employed the PAN-POL model based on the polyfit function to quantify bone loss across six dental sextants and the entire dental arch. For the reliability of measurements, Cone Beam Computed Tomography (CBCT) data from 30 patients were selected. Measurements were conducted in Mimics 21.0 and compared with the model's results to validate the ABL assessment. An independent sample t-test or the intergroup rank-sum test was used to evaluate the difference between resorption data from both classification methods, and ABL and non-ABL groups in each classification. Pearson's correlation analysis and linear regression analysis were used to test and verify the correlation between CBCT and panoramic radiography. P values of > 0.05 were considered not statistically significant.</p><p><strong>Results: </strong>The PAN-POL model demonstrated effective differentiation between resorption and non-resorption groups, and the groups based on two classification achieving statistical significance (P < 0.05), and the ratio results were consistent with those from CBCT (P > 0.05), indicating no significant difference. The Intraclass Correlation Coefficient (ICC) results for reliability testing among two experts for both PAN and CBCT were steadily 0.83 ± 0.06 and 0.93 ± 0.06 (ICC>0.75).</p><p><strong>Conclusion: </strong>In this study, the PAN-POL model accurately measured ABL in panoramic images by incorporating standard anatomical landmarks. This model aids in Periodontal Screening and Recording, serving as a novel, valuable and intuitive tool for initial periodontal diagnosis.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"417"},"PeriodicalIF":2.6,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11929333/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143676608","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}

{"title":"Late developing supernumerary teeth and congenital absence of the upper right lateral incisor in the maxillary anterior region: a rare case report.","authors":"Yanyan Xie, Hong Gao, Lin Xing, Mingna Tang","doi":"10.1186/s12903-025-05771-3","DOIUrl":"10.1186/s12903-025-05771-3","url":null,"abstract":"<p><strong>Background: </strong>Numerous non-syndromic late developing supernumerary teeth have been published in the premolar regions, but similar findings in the maxillary anterior regions as in this case are rarely found; even rarer is hypodontia occurring in the same region; this simultaneous occurrence is known as hypohyperdontia.</p><p><strong>Case presentation: </strong>This paper reports a case of two mesiodens and a late developing supernumerary tooth appearing successively in the maxillary anterior region, resulting in severe rotation and displacement of adjacent incisors. By regular clinical and radiological monitoring, we have implemented appropriate treatment promptly and obtained good therapeutic effects.</p><p><strong>Conclusions: </strong>Radiographic examination of the jaws is crucial for early diagnosing hypodontia and hyperdontia. The treatment for hypohyperdontia varies depending on individual circumstances and requires an interdisciplinary strategy. To patients with a history of supernumerary teeth and severe misalignment of adjacent normal teeth, clinical and appropriate radiographic monitoring are essential for early diagnosis of late developing supernumerary teeth and assessment of root resorption. Only by detecting these abnormalities early can we implement the most appropriate treatment promptly, minimize future complications, and simplify treatment procedures.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"420"},"PeriodicalIF":2.6,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11929189/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143676696","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}