BMC Oral Health最新文献

{"title":"A family study of dentinogenesis imperfecta shields type II caused by a novel DSPP mutation and investigations on the isolated stem cells from human exfoliated deciduous teeth.","authors":"Qianhua Gao, Ning Yue, Kehong Liu, Zhongren Deng, Ling Yang, Jing Zou, Qin Du","doi":"10.1186/s12903-025-05912-8","DOIUrl":"10.1186/s12903-025-05912-8","url":null,"abstract":"<p><strong>Objective: </strong>This study aims to analyze the clinical features and genetic mutation characteristics of a family with Dentinogenesis Imperfecta Shields type II (DGI-II) and to observe the behavior of the stem cells from human exfoliated deciduous teeth (SHED) to explore the relationship between the locus of dentin sialophosphoprotein (DSPP) mutations and family clinical manifestations.</p><p><strong>Materials and methods: </strong>After collecting clinical data from the family, Whole Genome Sequencing (WGS) followed by Sanger sequencing was used to identify pathogenic genes sites. The physical characteristics of the patient's teeth were examined using Micro-CT, scanning electron microscopy (SEM), and microhardness analysis. The behavior of SHEDs was studied through flow cytometry, adipogenic and osteogenic differentiation, quantitative real-time PCR (qRT-PCR), Western blotting, CCK-8 proliferation assays, colony formation, and cell migration experiments.</p><p><strong>Results: </strong>A novel frameshift mutation, DSPP c.2695delA.N899fs, was identified in the family. Micro-CT showed significant wear in the patient's teeth. SEM results revealed reduced and irregular dentinal tubules. Microhardness analysis showed significantly lower hardness in the patient's teeth. CCK-8, colony formation, and migration assays demonstrated reduced proliferation and migration capacities in the patient's SHEDs. qRT-PCR and Western blot results showed lower expression of DSPP, RUNX2, OCN, and ALP compared to controls, but higher DSPP protein level in the patient's SHEDs. Osteogenic differentiation tests indicated reduced mineralization capacity of the patient's SHEDs.</p><p><strong>Conclusion: </strong>This study identified a novel frameshift mutation, DSPP c.2695delA.N899fs, in a DGI-II family and demonstrated its impact on SHED proliferation, migration, and mineralization. The findings demonstrated that this novel variant disturbs dentinal characteristics and cell behavior of SHED.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"503"},"PeriodicalIF":2.6,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143802484","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}

{"title":"Evaluation of the effect of reverse curved spee Ni-Ti wires with different depths in MBT and Roth brackets on mandibular teeth during leveling and alignment using finite element analysis.","authors":"Sena Yılmaz, Esra Ağaoğlu Mogul, Koray Halıcıoğlu","doi":"10.1186/s12903-025-05909-3","DOIUrl":"10.1186/s12903-025-05909-3","url":null,"abstract":"<p><strong>Objective: </strong>The aim of our study is to analyze the forces generated by reverse curve archwires with three different depths and two different dimensions for Roth-type brackets and MBT-type brackets through finite element analysis (FEA) to assess their effects.</p><p><strong>Materials and methods: </strong>This study involves modeling wires of different dimensions and depths (20 mm, 25 mm and 30 mm) for Roth-type brackets with 0.018''slot size and MBT-type brackets with 0.022''slot size. 12 linear static analyses were conducted under specific loading and boundary conditions to evaluate tooth movements along the X, Y, and Z axes, total displacement, and von Mises stresses on the periodontal ligament (PDL).</p><p><strong>Results: </strong>0.022 slot MBT bracket with reverse curve of spee wire 0.019 × 0.025''and 0.021 × 0.025'' dimensions and 30 mm depth, 0.018 slot Roth bracket with 0.017 × 0.025'' and 0.016 × 0.022'' wire and 30 mm depth applied the most aggressive forces, leading to high displacement and PDL stress. In contrast, 0.022 slot MBT bracket with reverse curve of spee wire 0.019 × 0.025'' dimensions and 20 mm depth, 0.018 slot Roth bracket with reverse curve of spee wire 0.017 × 0.025'', 0.016 × 0.022''and 25 mm depth, 0.017 × 0.025'', 0.016 × 0.022''and 20 mm depth demonstrated more conservative force applications.</p><p><strong>Conclusion: </strong>This comparative analysis of 12 different models demonstrates that varying orthodontic forces have a significant impact on both tooth movement and PDL stress. These findings highlight the significance of selecting the appropriate model based on the patient's periodontal health to ensure orthodontic treatments are performed effectively and safe.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"496"},"PeriodicalIF":2.6,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143802443","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}

{"title":"Effect of different impression techniques on marginal integrity of CAD-CAM milled all-on-four mandibular frameworks: an in vitro study.","authors":"Reem A Mahmoud, Ahmed A Abdel Hakim, Nermeen A Rady","doi":"10.1186/s12903-025-05784-y","DOIUrl":"10.1186/s12903-025-05784-y","url":null,"abstract":"<p><strong>Background: </strong>To guarantee a passive fit, full arch implant supported prostheses require scrupulous impressions. The accuracy of conventional and digital impressions is still up for debate, despite several studies comparing both acquisition techniques. The present study aimed to compare mandibular full arch implant impressions by assessing the vertical misfit of implant supported frameworks obtained through conventional and digital impressions.</p><p><strong>Methods: </strong>To simulate the \"All-on-4\" scenario, a completely edentulous epoxy mandibular reference model was prepared with the installment of two straight implants in the anterior region and two 30-degree angled implants in the posterior region. Two acquisition techniques were evaluated: the conventional impression technique (CI group, n = 11) with open tray splinted impression copings using vinyl siloxane ether (VSXE) impression and the digital impression technique (DI group, n = 11) using Medit i-700 intraoral scanner (IOS). To create virtual models, the Medit T-Series laboratory scanner was used to scan the models created by the CI group. Scans obtained from both groups were saved as STL files for framework design. Screw retained bars (n = 22) were designed on the virtual models and then machined in cobalt chromium. The frameworks fabricated using both impressions were screwed to the reference model, evaluated using the Sheffield test, and the vertical misfits were analyzed under a stereomicroscope at 80× magnification. Comparisons between the two study groups were performed using independent samples t-test, and the average vertical misfits of each multi-unit abutment in each group were compared by using the ANOVA test followed by a Post Hoc test (adjusted Bonferroni) for pairwise comparison. At P <.05, statistical significance was assessed.</p><p><strong>Results: </strong>When tightening the screw at multi-unit abutment #45, the vertical misfits of the frameworks manufactured by DI group (82.34 ± 5.05 μm) were lower than those of the CI group (91.09 ± 6.29 μm) with significant difference at P =.002, while no statistical significant difference was reported in the average vertical misfit between the CI group (43.60 ± 11.93 μm) and the DI group (43.90 ± 5.31 μm) (P =.940) while securing the screw at multi-unit abutment #35.</p><p><strong>Conclusions: </strong>Achieving a passive fit for implant supported frameworks in completely edentulous patients is quite challenging. A fully digital workflow offers a steadfast alternative to conventional methods with vertical misfits that differ based on the impression technique, though these differences are typically not statistically significant.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"497"},"PeriodicalIF":2.6,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143802485","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}

{"title":"Micro-computed tomography analysis and ex-vivo detection of six root canals in a four-rooted mandibular first premolar.","authors":"Hany Mohamed Aly Ahmed, Mohideen Salihu Farook","doi":"10.1186/s12903-025-05781-1","DOIUrl":"10.1186/s12903-025-05781-1","url":null,"abstract":"<p><strong>Background: </strong>Mandibular first premolar teeth show a wide range of root and canal anatomical variations including accessory roots, deep root proximal grooves and multiple canals. This study provides qualitative and quantitative morphological analysis of a rare four-rooted mandibular first premolar scanned using micro-CT. In addition, it provides clinical implications through endodontic access cavity preparation and negotiation of canals under dental operating microscope (DOM) to assess the difficulty for locating the canals.</p><p><strong>Methods: </strong>An extracted four-rooted mandibular first premolar tooth sample was subjected to 2D radiographic imaging in two views and micro-computed tomography (micro-CT) scanning with a resolution of 25 μm. Subsequently, 3D- reconstruction of the tooth sample was performed using Mimics software (Materialise, Leuven, Belgium). 3D (volume and surface area) and 2D measurements (distances between orifices, area, perimeter, maximum and minimum diameter, roundness, aspect ratio and form factor) were obtained. In addition, endodontic access was prepared, and the canals were explored under the DOM. Location of the canals were confirmed by periapical radiographs with the aid of hand files.</p><p><strong>Results: </strong>The 2D imaging showed the presence of four canals. Micro-CT analysis showed a complex canal anatomy which was classified using Ahmed et al. coding system as ⁴44 MB^1-2-1-2 DB^{2-1-2-1-3-2-3} ¹(ML¹ DL¹). Quantitative analysis showed that the MB root had the highest canal volume and surface area compared to other canals. The 2D measurements showed wide variations among canals, which reflects the complexity of the canals in terms of size and geometry. The MB and DB canals tend to have more aspect ratio values (more oval/flattened) than other canals. After access cavity preparation and exploration, six root canals were identified [mesio-buccal one (MB1), mesio-buccal two (MB2), disto-buccal (DB), mesio-lingual (ML), disto-lingual (DL) and lingual disto-buccal (LDB)]. The canals in the MB root showed two locations of splitting.</p><p><strong>Conclusions: </strong>Mandibular first premolars may have complex variations in the number of roots and canal configurations. The different anatomical presentations demonstrated in the 2D and 3D measurements of the six canals presented in this report signifies the anatomical variabilities, which could complicate the detection and negotiation of canals during root canal treatment. Ahmed et al. coding system is useful in classifying teeth with complex root and canal anatomy.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"498"},"PeriodicalIF":2.6,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143802496","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}

{"title":"\"Dental team-based education\" Dental team perspectives and experiences about weight stigma: a qualitative analysis.","authors":"Zanab Malik, Kate A McBride, Kathryn Williams, Deborah Cockrell, Clare E Collins","doi":"10.1186/s12903-025-05854-1","DOIUrl":"10.1186/s12903-025-05854-1","url":null,"abstract":"<p><strong>Background: </strong>There is evidence from qualitative and quantitative studies of the presence of weight stigma in the dental setting from the patient perspective. However, the perspectives of various members of the dental team and their observations and experiences of weight stigma are unknown. Given dental specialists in Special Needs Dentistry (SND) are often referred patients living with severe obesity for dental management, their perspectives are of specific importance, particularly with respect to currently employed and recommended weight stigma reduction strategies.</p><p><strong>Aims: </strong>Our qualitative study aimed to identify and explore among dental professionals and support staff in Australia, their perspectives and experiences of weight stigma. We aimed to identify any currently employed, and recommendations for, stigma reduction from SND specialists.</p><p><strong>Methods: </strong>Focus groups and semi-structured interviews (n = 34 participants) were conducted with two groups; dental professionals and support staff from regional New South Wales; and SND specialists in Australia. Recordings were transcribed verbatim and analysed using thematic (inductive) analysis.</p><p><strong>Results: </strong>Key themes emerged related to observed experiences with weight stigma, with differing perspectives based on professional roles. The impact of weight stigma on dental management was highlighted. Stigma reduction strategies with an educational focus were also identified from SND specialist participants.</p><p><strong>Conclusion: </strong>The current study explored observations of weight stigma in various dental settings and perspectives which differed based on participant awareness and professional role. The negative impact of weight stigma on preventive dental discussions was identified. Stigma reduction strategies need to target the identified barriers and address the complex drivers of weight stigma before implementation. The findings of the current study emphasise the role for team-based education, led and guided by SND specialists through their professional advocacy roles and encourages the development of a dental team action plan to respond to observed experiences of weight stigma in the workplace.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"493"},"PeriodicalIF":2.6,"publicationDate":"2025-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11972485/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143794619","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":"Accuracy analysis of all-ceramic crowns with different materials in CAD/CAM digital replication mode.","authors":"Haoyang Wang, Wenli Qu, Ting Wang, Xuan Wu, Hao Sun","doi":"10.1186/s12903-025-05892-9","DOIUrl":"10.1186/s12903-025-05892-9","url":null,"abstract":"<p><strong>Background: </strong>The study aimed to evaluate the three-dimensional accuracy of computer-aided design and computer-aided manufacturing (CAD/CAM) in fabricating all-ceramic crowns using various cuttable materials, assessed through reverse engineering.</p><p><strong>Methods: </strong>The original resin tooth morphology of the left maxillary mesial incisor and left maxillary first molar from a standard resin tooth model, along with the two corresponding prepared teeth, were scanned and imported into exocad software. The digitally reproduced crown morphology was utilized to fabricate crowns from cut porcelain-reinforced resin ceramic (Uh group, Upcera Hyramic), lithium disilicate glass-ceramic (e.max group, IPS e.max Cad), and zirconia ceramic (Ue group, Upcera Explore). All specimens were subsequently rescanned, and the root mean square (RMS) values were calculated after overlaying with the original crown CAD data using the 3D analysis software Geomagic Studio 2013 to compare the dimensional accuracy.</p><p><strong>Results: </strong>Among the mesial incisor and first molar specimens, the e.max group demonstrated the highest dimensional accuracy of the all-ceramic crowns, followed by the Ue group, while the Uh group exhibited the lowest accuracy. The differences in dimensional accuracy among the three groups were statistically significant (P < 0.05).</p><p><strong>Conclusion: </strong>The digital replication technique effectively restored the original crown morphology with a high degree of accuracy. For the same CAM pattern, the dimensional accuracy of all-ceramic crowns varied depending on the CAD/CAM porcelain material, with lithium disilicate glass-ceramic showing the superior results.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"491"},"PeriodicalIF":2.6,"publicationDate":"2025-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11971805/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143787703","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":"'At a tipping point': a comparative analysis of oral health coverage for children across six European countries: Denmark, Germany, Hungary, Ireland, Scotland, and Spain.","authors":"Úna McAuliffe, Kenneth Eaton, Máiréad Harding, Helen Whelton, Jodi Cronin, Sara Burke","doi":"10.1186/s12903-025-05773-1","DOIUrl":"10.1186/s12903-025-05773-1","url":null,"abstract":"<p><strong>Background: </strong>Dental caries remains a significant public health problem for children with continuing calls to incorporate oral health under the Universal Healthcare domain (UHC). However, there is little knowledge on the variations in the coverage, financing, and access to child oral healthcare across Europe.</p><p><strong>Methods: </strong>This inter-country comparative analysis provides a detailed description and mapping of publicly funded child oral health coverage across six European countries: Denmark, Germany, Hungary, Ireland, Scotland, and Spain. A multiple case study approach was adopted encompassing two strands of data collection: a documentary analysis and in-depth interviews with experts from each country. The WHO Universal Health Coverage Cube was used to guide data collection and analysis.</p><p><strong>Results: </strong>Two broad models of child oral health coverage were found: those systems adopting 'universal' approaches (Denmark, Germany, Hungary, and Scotland) and those restricting coverage by 'targeting' children by age or where they live (Ireland and Spain). In countries without universal coverage (Ireland and Spain), the private sector assumed a significant role, leading to substantial out-of-pocket expenses for families. This was also evident in Hungary owing to barriers in accessing its publicly funded oral healthcare system. Preventive oral healthcare was also attributed a lower priority in these countries, however a prominent observation across all countries was the necessity for a stronger focus on prevention. Each country with universal oral health coverage (Denmark, Germany, and Scotland) except for Hungary, demonstrated a trend of expanded coverage and regulatory reform achieved using oral health data, political support and engaging the dental profession. While a failure to implement policy and system reform was evident in the remaining countries with the impact of the 2008 economic crisis particularly evident in Ireland and Spain.</p><p><strong>Conclusions: </strong>This research finds that child oral health coverage in some European countries is 'at a tipping point', with recognition of the need for reform evident in Hungary, Spain and Ireland while most 'universal' systems remain on alert to maintaining the broad coverage in place. To maintain and progress UHC for oral health there must be an emphasis on prevention, on addressing inequalities faced by children excluded from care and on advocacy using quality oral health data to engage both dental professionals and political will.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"492"},"PeriodicalIF":2.6,"publicationDate":"2025-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11972522/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143787779","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":"Management of crown fractures with different pulp treatments and Re-attachment technique: case series.","authors":"Tulin Tasdemir, Pınar Serdar Eymirli, Tulin Ileri, Cansu Ozsin Ozler, Melek Dilek Turgut","doi":"10.1186/s12903-025-05872-z","DOIUrl":"10.1186/s12903-025-05872-z","url":null,"abstract":"<p><strong>Background: </strong>Crown fracture is a type of traumatic injury that mostly affects the maxillary incisors. Depending on the involvement of the pulp, crown fracture may occur as complicated or uncomplicated and constitutes 26-76% of dental injuries in the permanent teeth. The effective treatment of crown fractures should aim to gain optimal aesthetics and function by preserving the vitality of the tooth. There have been case reports in the literature regarding pulpotomy and reattachment techniques in traumatized teeth. However, there has been no case series presenting different endodontic treatments performed with different current materials along with the reattachment technique. The aim of the current case series is to present treatment approaches of 3 crown fracture cases with different pulp treatments and re-attachment technique.</p><p><strong>Case presentation: </strong>In all cases the patients were 8 years old boys. In the first and third cases, complicated crown fractures involved upper central incisors. After endodontic treatment with Cvek pulpotomy, the teeth were restored using Biodentine in case 1 and MTA in case 3. In the second case, uncomplicated crown fracture of the lower central incisor was treated with indirect pulp capping. In all cases, the fractured crown parts were re-attached and the patients were scheduled for recall appointments.</p><p><strong>Conclusions: </strong>Re-attachment technique offers aesthetic, functional and economic treatment option by long-term preserving the anatomic form, color and surface texture. The evaluation of the pulpal status before the reattachment technique and application of the proper pulpal treatment influences the prognosis of the tooth.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"489"},"PeriodicalIF":2.6,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11969999/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143787791","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":"Two decades of dental malpractice litigations in Türkiye: a retrospective matched cohort study analyzing legal and clinical outcomes.","authors":"Esra Yuce, Seymanur Kacdıoglu Yurt","doi":"10.1186/s12903-025-05838-1","DOIUrl":"10.1186/s12903-025-05838-1","url":null,"abstract":"<p><strong>Background: </strong>This methodological study aims to provide a comprehensive database of dental malpractice cases in Türkiye over the past 20 years, with a focus on the patterns of malpractice claims across different specialties and settings, as well as the characteristics of the events that give rise to litigation. The study also seeks to clarify to raise awareness of patient safety among dental practitioners to enhance care quality and liability risk management by providing insights into the legal outcomes of malpractice cases.</p><p><strong>Methods: </strong>A total of 100 dental malpractice claims spanning 23 years (2000-2023) were included in this retrospective, matched cohort study. The cases were categorized into four groups: Malpractice; Complication; Undetermined; and Unresolved. The analysis focused on various legal and clinical variables, including the type of dental treatment, the physician's level of duty, the presence of auxiliary healthcare personnel, the type of healthcare institution, the legal outcome of the case (decision, settlement, and compensation status), the reasons for filing the malpractice claim, and the appointment of expert witnesses. Data were analyzed using the chi-square test and Fisher's Exact Test, with statistical significance set at p < 0.05.</p><p><strong>Result: </strong>The majority of cases were related to prosthodontics (31%) and oral surgery (24%), followed by oral diagnosis (14%), implantology (12%), orthodontics (9%), endodontics (5%), restorative dentistry (2%), pedodontics (2%), and periodontology (1%). The most common reason for malpractice claims was incorrect treatment (88%), followed by incomplete treatment (33%), misdiagnosis (32%), patient fault (21%), treatment delays (19%), lack of follow-up (16%), failure to obtain informed consent (10%), delays in diagnosis (3%), document forgery (3%), and infectious disease (2%).</p><p><strong>Conclusion: </strong>This study highlights the importance of thorough planning, assessments, and preventive measures in dental practice, particularly in prosthodontics, oral surgery, and implantology, which involve invasive procedures, prolonged treatments, and high costs-factors that contribute to higher patient dissatisfaction and increased malpractice risks. Addressing these factors through improved oversight and decision-making could reduce the frequency of litigation and minimize legal disputes.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"487"},"PeriodicalIF":2.6,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11969698/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143787825","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":"Global burden and trends of oral disorders among adolescent and young adult (10-24 years old) from 1990 to 2021.","authors":"Xingzhu Dai, Manqiong Dai, Yuee Liang, Xiaoyu Li, Wanghong Zhao","doi":"10.1186/s12903-025-05864-z","DOIUrl":"10.1186/s12903-025-05864-z","url":null,"abstract":"<p><strong>Objective: </strong>To determine the patterns and trends in the global, regional, and national burden of oral disorders among adolescents and young adults (AYA) from 1990 to 2021.</p><p><strong>Methods: </strong>This is an epidemiological observational study that analyzed annual prevalence and disability-adjusted life years (DALYs) for oral disorders-including dental caries, periodontal disease, edentulism, and other oral conditions-among adolescents and young adults (ages 10-24) from 1990 to 2021. Data were sourced from the Global Burden of Disease Study (GBD) 2021. To assess temporal trends, the estimated annual percentage changes (EAPC) in age-standardized prevalence and DALY rates were calculated at global, regional, and national levels. The GBD 2021 also provides sociodemographic index (SDI) data across 204 countries and territories. Pearson correlation analyses were conducted to explore the relationships between age-standardized prevalence and DALY rates with the SDI and their respective EAPCs.</p><p><strong>Results: </strong>Globally, the prevalent cases of oral disorders increased by 17.1%, from 549.2 million in 1990 to 643.3 million in 2021, and DALYs rose by 22.2%, from 1.4 million in 1990 to 1.7 million in 2021. The overall age-standardized prevalence rate (EAPC = - 0.07 [95% CI, - 0.12 to - 0.03]) decreased, while the age-standardized DALY rate (EAPC = 0.06 [0.02 to 0.11]) increased over the same period. While the burden of dental caries declined, the burden of periodontitis and edentulism significantly increased. A negative correlation was observed between age-standardized prevalence and DALY rates and SDI, while a positive correlation was found between the EAPC of age-standardized DALY rates and SDI.</p><p><strong>Conclusions: </strong>The prevalence and DALYs of oral disorders among AYA have risen over the past three decades, particularly due to the growing burden of periodontitis and edentulism. Notably, the most significant increases have been observed in Southern Latin America and South Asia. While the global decline in dental caries has led to a reduction in ASPR, the escalating burden of periodontal disease and edentulism remains a critical concern. These trends emphasize the urgent need for innovative prevention and intervention strategies to improve oral health for this demographic worldwide.</p>","PeriodicalId":9072,"journal":{"name":"BMC Oral Health","volume":"25 1","pages":"486"},"PeriodicalIF":2.6,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11969847/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143787784","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}