{"title":"The Impact of Autism Spectrum Disorder Severity on the Incidence and Extent of Traumatic Dental Injuries in Children: A Retrospective Observational Cohort Study.","authors":"Parisa Ghanouni, Pierre-Luc Michaud, Annika Nobbe, Isabel Mello, Shannon Fitzpatrick, Erin Quigley, Jarrett Miller, Tracy Doyle","doi":"10.1111/edt.70080","DOIUrl":"https://doi.org/10.1111/edt.70080","url":null,"abstract":"<p><strong>Introduction: </strong>Traumatic dental injuries are a common oral health problem among children and have significant health consequences. Children with autism spectrum disorder may face an increased risk of traumatic dental injuries, potentially due to developmental delays, sensory difficulties, and behavioral challenges. However, the relationship between the severity of autism and the extent and occurrence of dental trauma remains unclear. To our knowledge, this is the first study to aim at evaluating the association between the severity of autism and the incidence and severity of dental trauma.</p><p><strong>Methods: </strong>This retrospective chart review analyzed data from children aged 3-15 years with autism spectrum disorder, who received their health and dental care at a major pediatric health center between 2016 and 2024. A total of 441 patients with autism were included in the study. Statistical analyses were used to examine associations between sex, autism severity, and dental trauma incidence and type/severity.</p><p><strong>Results: </strong>Among the 441 participants, 9.1% experienced at least one dental trauma. No statistically significant associations were found between autism severity and dental trauma incidence (p = 0.136) or severity (p = 0.517). Furthermore, sex was not associated with the occurrence of dental trauma (p = 0.591).</p><p><strong>Conclusion: </strong>The severity of autism spectrum disorder and sex are not associated with the occurrence or severity of dental trauma among children. These findings suggest that factors beyond the severity of autism may play a more significant role in the risk and impact of dental trauma in this population. A clearer understanding of additional contributing variables is essential to inform more effective prevention and management strategies for high-risk individuals within this population.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2026-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147846629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ehsan N Azadani, Jodee McDaniel, Jin Peng, Janice A Townsend
{"title":"The Validity of ICD-10 Codes in Recording the Incidence of Traumatic Dental Injuries.","authors":"Ehsan N Azadani, Jodee McDaniel, Jin Peng, Janice A Townsend","doi":"10.1111/edt.70076","DOIUrl":"https://doi.org/10.1111/edt.70076","url":null,"abstract":"<p><strong>Background/aim: </strong>Traumatic dental injuries (TDIs) significantly affect quality of life and healthcare costs. Large administrative datasets using ICD codes offer opportunities for epidemiological research; however, the accuracy of International Classification of Diseases, Tenth Revision (ICD-10) codes for TDIs remains unclear. This study aimed to evaluate the validity of ICD-10 codes in identifying TDIs and their ability to specify injury type in a pediatric emergency department (ED) setting.</p><p><strong>Materials and methods: </strong>A cross-sectional diagnostic accuracy study was conducted at a large urban-based children's hospital. Children aged 0-18 years presenting to the ED between January 2021 and August 2022 were included. Patients with documented dental injuries (positive controls) or facial injuries (negative controls) were identified using structured dental trauma flowsheets and computed tomography (CT) scan records, respectively. Manual chart reviews served as the reference standard. Accuracy, sensitivity, specificity, and predictive values of ICD-10 codes for TDI were calculated. Secondary analysis assessed whether ICD-10 codes matched the specific type of TDI (fracture vs. periodontal injury).</p><p><strong>Results: </strong>A total of 405 patients (mean age 10.5 ± 4.7 years) were analyzed. Overall accuracy of ICD-10 codes for TDIs was 78.5%, with sensitivity of 60.1% and specificity of 98.4%. Positive predictive value was 97.6%, and negative predictive value was 69.4%. Among true positives (n = 127), 96% of ICD-10 codes correctly reflected the specific injury type (fracture vs. periodontal injury). The most frequent correct codes were S03.2XXA (dislocation of tooth, initial encounter) and S02.5XXA (fracture of tooth, initial encounter). The most common incorrect code among false negatives was S09.93XA (unspecified injury of face).</p><p><strong>Conclusions: </strong>ICD-10 codes demonstrate high specificity but moderate sensitivity for TDI in pediatric ED records. Undercoding remains a concern and may lead to underestimating TDI prevalence and incidence. Improved education and coding practices are essential to enhance data reliability for research and healthcare planning.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2026-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147846566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Adhesion of Newly Developed Composite Resin Splinting Materials to Enamel: Effect of Enamel Surface Treatment.","authors":"Wonkyu Shin, Ji-Soo Song, Hyuntae Kim, Wonjoon Moon, Teo Jeon Shin, Shin Hye Chung, Jin-Soo Ahn, Hong-Keun Hyun","doi":"10.1111/edt.70075","DOIUrl":"https://doi.org/10.1111/edt.70075","url":null,"abstract":"<p><strong>Background/aim: </strong>To evaluate the shear bond strength (SBS) of newly developed composite resin materials intended for dental splinting to enamel and to determine whether phosphoric acid etching alone provides reliable adhesion.</p><p><strong>Material and methods: </strong>Four experimental materials (G-Fix, Light Fix, Ortho Connect, and Ortho Connect Flow) were compared with conventional composite resins applied to phosphoric acid-etched enamel, with or without a universal adhesive. After thermocycling, SBS was measured and failure modes were assessed. Wettability was evaluated by contact angle measurement, and the resin-enamel interfacial microstructure was examined using atomic force microscopy.</p><p><strong>Results: </strong>Across all materials, application of a universal adhesive did not increase SBS. SBS was significantly reduced for Light Fix and Ortho Connect Flow when the adhesive was used. When applied directly to etched enamel, all experimental materials achieved clinically acceptable SBS. Interfacial analyses supported that adhesion was predominantly mediated by functional monomer-driven chemical interactions rather than enhanced micromechanical retention.</p><p><strong>Conclusions: </strong>For the tested splinting composites, phosphoric acid etching followed by direct composite application provided reliable enamel adhesion, and the additional use of a universal adhesive was unnecessary and may be detrimental for selected materials. This simplified protocol may be suitable for clinical splinting procedures.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2026-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147846493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Greta Lodienė, Ana Kostenkova, Mindaugas Marksa, Danielius Umbrasas, Justė Marksienė, Jurga Andrėja Kazlauskaitė, Pedram Hosseinzadehfard, Rasa Banienė, Vita Mačiulskienė-Visockienė
{"title":"A Laboratory Investigation of Propolis Hydrogel as a Novel Storage Medium for Avulsed Teeth Prior to Replantation.","authors":"Greta Lodienė, Ana Kostenkova, Mindaugas Marksa, Danielius Umbrasas, Justė Marksienė, Jurga Andrėja Kazlauskaitė, Pedram Hosseinzadehfard, Rasa Banienė, Vita Mačiulskienė-Visockienė","doi":"10.1111/edt.70077","DOIUrl":"https://doi.org/10.1111/edt.70077","url":null,"abstract":"<p><strong>Background/aim: </strong>Propolis, known for its potent antioxidant, anti-inflammatory, and antimicrobial effects, when incorporated into a hydrogel, may enhance the preservation of human periodontal ligament cell viability following dental trauma. This study aimed to develop and evaluate a novel propolis-enriched hydrogel as a storage medium for avulsed teeth prior to replantation.</p><p><strong>Materials and methods: </strong>The hydrogel was prepared by mixing distilled water with a gelling agent and macerating the mixture for 24 h. Subsequently, samples containing 70% ethanol and water were formulated with varying volumes of propolis extract. The physical properties of the hydrogel were then evaluated. Human periodontal ligament fibroblasts were incubated with the test materials for 3 and 6 h, after which cell viability was assessed using the PrestoBlue reagent and compared with pasteurized milk and saline (0.9% NaCl), which served as a negative control. Statistical analysis was performed using one-way ANOVA followed by Fisher's least significant difference post hoc test.</p><p><strong>Results: </strong>The findings demonstrated that the incorporation of propolis into the hydrogel formulations enhanced their bioactive properties, particularly increasing phenolic content and antioxidant activity. In terms of human periodontal ligament fibroblast viability, no significant differences were observed among groups after 3 h. However, after 6 h, cell viability in the saline group decreased to 67% of the control, while all other groups maintained approximately 100% viability.</p><p><strong>Conclusions: </strong>Propolis hydrogels effectively preserved the viability of human periodontal ligament cells for at least six hours. A comprehensive evaluation of all parameters suggests that the hydrogel formulation containing 6 g of water-based propolis extract provides the most favorable balance between mechanical properties and biocompatibility.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2026-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147823544","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Emine Şuranur Ayaz, Sema Aydınoğlu, Dilara Nil Günaçar, Ayberk Dizdar, Ecren Uzun Yaylaci, Murat Yaylaci, Mukaddes Yerebakan
{"title":"Dens Invaginatus as a Biomechanical Risk Modifier in Dental Trauma: Finite Element Analysis.","authors":"Emine Şuranur Ayaz, Sema Aydınoğlu, Dilara Nil Günaçar, Ayberk Dizdar, Ecren Uzun Yaylaci, Murat Yaylaci, Mukaddes Yerebakan","doi":"10.1111/edt.70078","DOIUrl":"https://doi.org/10.1111/edt.70078","url":null,"abstract":"<p><strong>Introduction/aims: </strong>Traumatic dental injuries are common in childhood and may adversely affect functional and psychosocial well-being. Dens invaginatus, a developmental anomaly caused by the infolding of the enamel organ during odontogenesis, alters tooth morphology and may influence biomechanical behavior under traumatic loading. This study aimed to evaluate stress distribution and deformation patterns in permanent maxillary lateral incisors with different types of dens invaginatus using three-dimensional dynamic finite element analysis and to compare them with a morphologically normal tooth.</p><p><strong>Material and methods: </strong>Finite element models representing four dens invaginatus configurations of maxillary lateral incisors (#22) were analyzed under dynamic impact loading generated by a rigid steel sphere (radius 10 mm; velocity 10 m/s). Horizontal and vertical impact scenarios were simulated. In addition, a static occlusal force of 100 N was applied to the palatal surface to reproduce functional contact. Stress distribution and deformation patterns were compared with those of a morphologically normal incisor model.</p><p><strong>Results: </strong>Dens invaginatus models showed substantially higher biomechanical responses than the normal tooth under both loading directions. Tooth stresses increased by approximately 110-130%, deformation values nearly doubled, and microstrain levels rose progressively with anomaly severity. The lowest responses were observed in the Type I model, whereas the Type IIIb configuration consistently demonstrated the highest stress, deformation, and strain values. Principal stresses in surrounding structures were also elevated, increasing by roughly 40-70%.</p><p><strong>Conclusions: </strong>Dens invaginatus markedly modifies the biomechanical response of lateral incisors subjected to traumatic forces. Both internal morphology and impact direction influence stress distribution, with vertical loading generating greater stresses. Increased biomechanical susceptibility was evident even in the mildest form (Type I), while the most severe configuration (Type IIIb) exhibited the highest stress and deformation responses, indicating that dens invaginatus should be regarded as a clinically relevant biomechanical risk factor in dental trauma assessment.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2026-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147823575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Stella Cristina Soares Araujo, Clarina Louis Silva Meira, Laura Braga Figueiredo, Guilherme Veloso Ramos, Marcio Bruno Figueiredo Amaral, Roger Lanes Silveira
{"title":"Predictive Factors for Maxillofacial Trauma in Women Victims of Aggression: A 10-Year Analysis at a Level I Trauma Center.","authors":"Stella Cristina Soares Araujo, Clarina Louis Silva Meira, Laura Braga Figueiredo, Guilherme Veloso Ramos, Marcio Bruno Figueiredo Amaral, Roger Lanes Silveira","doi":"10.1111/edt.70074","DOIUrl":"https://doi.org/10.1111/edt.70074","url":null,"abstract":"<p><strong>Background/aim: </strong>Violence against women remains a global public health dilemma, with maxillofacial trauma serving as a frequent and critical consequence. This study aimed to determine the epidemiological profile, injury patterns, and key predictive factors associated with maxillofacial trauma resulting from aggression in women.</p><p><strong>Materials and methods: </strong>This retrospective analysis included 4657 facial trauma records of women from a Level I Trauma Center, Belo Horizonte, MG, Brazil (2011-2020). The sample included 825 cases identified as victims of aggression. Predictor variables were aggressor identity, day of the week, and mechanism of aggression. The main outcomes were the type of fracture, multiple fractures, or blunt and sharp injuries. Covariates were age, race/ethnicity, marital status, length of hospital stay, concomitant injuries, and mandatory notification status. Descriptive statistics, Chi-square tests for correlation, and multivariate logistic regression determined the relationship between variables and predictive odds.</p><p><strong>Results: </strong>The sample profile was predominantly composed of young adults (mean age 32.9 ± 12.3 years) and individuals of mixed-race ethnicity (65.6%). Intimate partners were the dominant aggressors (52.6%). The logistic regression analysis revealed two major predictive findings: (1) aggression by the victim's child was a potent predictor for both middle-aged (OR = 24; p = 0.005) and elderly (OR = 56; p = 0.002) victims; and (2) intimate partner aggression showed a significant increase on Tuesdays (OR = 6; p = 0.024), beyond the expected weekend peak. Furthermore, the mechanism of aggression was significantly correlated with the type of fracture.</p><p><strong>Conclusions: </strong>This study identified quantifiable maxillofacial trauma risk profiles in women: Child-to-parent aggression is highly predictive among older victims, and intimate partner aggression exhibits a significant pattern on Tuesdays. These findings underscore the crucial role of Oral and Maxillofacial Surgeons in recognizing injury and temporal patterns to improve diagnostic accuracy, documentation, and public health surveillance.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2026-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147789297","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lu Zhang, Jianqiao Zheng, Yuanyuan Peng, Liang He, Ruxin Wang, Peng Ji, Dan Lu
{"title":"Perioperative Dental Injury Management Among Anesthesiologists in Mainland China: A Survey of Knowledge, Attitudes, and Practices.","authors":"Lu Zhang, Jianqiao Zheng, Yuanyuan Peng, Liang He, Ruxin Wang, Peng Ji, Dan Lu","doi":"10.1111/edt.70073","DOIUrl":"https://doi.org/10.1111/edt.70073","url":null,"abstract":"<p><strong>Introduction: </strong>Perioperative dental injury is an important yet often under-recognized complication of anesthesia and airway management, with significant medicolegal and patient safety implications.</p><p><strong>Materials and methods: </strong>This descriptive cross-sectional survey assessed Chinese anesthesiologists' knowledge, attitudes, and practices regarding perioperative dental injury management. An anonymous online questionnaire based on the Knowledge-Attitude-Practice framework was distributed from July 22 to September 1, 2025.</p><p><strong>Results: </strong>A total of 551 valid responses were analyzed, representing anesthesiologists from 29 provinces. Most respondents worked in grade A tertiary hospitals (70.8%) and had more than 10 years of clinical experience (55.2%). Knowledge of dental avulsion management varied widely, with correct response rates ranging from 7.6% to 80.8%. Only 7.6% identified milk as an appropriate storage medium, and 26.3% recognized that replantation within 30 min is optimal. Respondents from grade A tertiary hospitals demonstrated higher correct rates than those from primary and lower-level hospitals (p = 0.023, adjusted p = 0.044). Knowledge was also higher among those willing to receive training (p = 0.004). Nearly half (46.1%) reported encountering complete tooth avulsion, and 18.9% of these cases involved airway or esophageal obstruction. Male anesthesiologists (adjusted OR 1.78, 95% CI: 1.25-2.55, p = 0.001) and those with 5-10 years of experience (adjusted OR 3.89, 95% CI: 1.22-15.13, p = 0.030) had higher odds of reporting avulsion. Only 8.5% had received prior training, but 87.7% expressed willingness to attend future programs, particularly via online videos, academic lectures, or hospital-based education.</p><p><strong>Conclusions: </strong>Substantial knowledge and practice gaps in perioperative dental injury management among anesthesiologists in mainland China. The strong educational demand underscores the need for structured, interdisciplinary training and institutional protocols to improve clinical preparedness, enhance patient safety, and reduce medicolegal risk.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2026-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147789315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Does Sequential Use of Multiple Chatbots Influence Emergency Guidance for Dental Avulsion?","authors":"Mehmet Buldur, Berkant Sezer","doi":"10.1111/edt.70072","DOIUrl":"https://doi.org/10.1111/edt.70072","url":null,"abstract":"<p><strong>Background/aim: </strong>Artificial intelligence-based chatbot systems are increasingly used for dental emergency guidance, yet the clinical value of sequential consultation remains unclear. This study investigated whether response order influences the quality of chatbot-generated answers to permanent tooth avulsion questions.</p><p><strong>Material and methods: </strong>Eight frequently asked questions covering key decision points in avulsion management were developed based on International Association of Dental Traumatology guidelines. Three publicly accessible chatbots-ChatGPT (GPT-5), Gemini (Gemini 1.5 Pro), and DeepSeek (DeepSeek-R1)-were queried using a standardized sequential prompt design. For each question, all chatbot order permutations were applied so that each system generated first-, second-, and third-position responses. Second- and third-position prompts required evaluation of prior responses and correction of missing or incorrect information, thereby creating a controlled \"maximum correction opportunity\" condition. Responses were generated in independent sessions and evaluated by three expert dentists blinded to model identity using predefined criteria: accuracy, safety, completeness, correction ability, clarity, and usefulness. Composite scores were calculated within seven conceptual evaluation frameworks, and response-order effects were tested using the Friedman test with Kendall's W.</p><p><strong>Results: </strong>Across all seven conceptual evaluation frameworks, composite quality scores did not differ significantly according to response order (all p > 0.05), with Kendall's W indicating negligible effect sizes. No consistent improvement was observed in accuracy, safety, completeness, or correction ability in second- or third-position responses. Model-specific analyses confirmed the absence of response-order effects across all chatbot platforms.</p><p><strong>Conclusions: </strong>Under structured evaluative conditions permitting explicit revision, sequential consultation of multiple chatbot systems did not improve the quality, safety, or guideline alignment of information provided for dental avulsion management. These findings suggest that response-order effects alone may have limited corrective impact in this context and should be interpreted within the boundaries of controlled experimental modeling.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2026-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147789076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Prognostic Prediction of Avulsed Permanent Teeth Using Conversational AI Models Versus Expert Dentists: Influence of Prompt Structure and Temporal Stability.","authors":"Mehmet Buldur, Gizem Ayan, Tugba Misilli","doi":"10.1111/edt.70071","DOIUrl":"https://doi.org/10.1111/edt.70071","url":null,"abstract":"<p><strong>Aim: </strong>Prognosis prediction after tooth avulsion is challenging due to multiple interacting clinical factors. The agreement of conversational large language models with expert dentists, their sensitivity to prompt format, and the stability of their outputs over time remain unclear. This study compared four conversational large language models with expert assessments using standardized simulated avulsion scenarios and evaluated prompt format effects and short-term stability.</p><p><strong>Material and methods: </strong>A simulation-based observational study was conducted using 120 standardized synthetic avulsion scenarios created by three experienced dentists. Each scenario was converted into four standardized prompt formats while preserving identical clinical content. Four conversational large language models (ChatGPT-4o, Gemini, Claude, and DeepSeek) evaluated each case twice at a 48-h interval, providing numeric scores on a 0-12 scale and ordinal prognosis categories. Expert reference values were obtained from blinded independent dentist assessments with subsequent consensus. Agreement, prompt-related variability, and short-term stability were analyzed using nonparametric and agreement-based methods.</p><p><strong>Results: </strong>Meaningful agreement with expert prognosis assessments was observed across models for both numeric scores and ordinal categories. Gemini and ChatGPT-4o showed the most balanced performance, whereas Claude preserved relative risk ordering with greater deviation in absolute severity, and DeepSeek demonstrated lower categorical concordance. Prompt format significantly influenced outputs, with the clinical-practical format showing the closest alignment and the narrative format the weakest. Short-term stability was generally maintained, although small but statistically detectable shifts occurred in some model-format combinations.</p><p><strong>Conclusions: </strong>Conversational large language models can generate avulsion prognosis estimates that meaningfully align with expert dentists under standardized conditions. However, performance is model-dependent and strongly influenced by information structure. These systems should be used as supportive tools rather than stand-alone decision makers, and further studies using real-world data are needed to confirm clinical utility and stability.</p><p><strong>Clinical relevance: </strong>Under standardized conditions, conversational AI models-particularly Gemini and ChatGPT-may support clinicians as secondary decision aids in structured prognosis estimation for avulsed permanent teeth.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2026-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147789626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Comparison of Shear Bond Strength of Dental Trauma Splints Fabricated Using Novel Adhesives: An In Vitro Study.","authors":"İrem Bolat Öz, Özlem Beren Satılmış, Levent Özer","doi":"10.1111/edt.70068","DOIUrl":"https://doi.org/10.1111/edt.70068","url":null,"abstract":"<p><strong>Background/aim: </strong>Dental trauma splints are essential for stabilizing injured teeth and supporting periodontal healing. It is important for pediatric patients that the materials used in splint manufacture have low technique sensitivity and high bond strength. Due to the limited number of studies on newer adhesive materials that require fewer application steps, this study aimed to evaluate their bond strength in dental splinting applications.</p><p><strong>Materials and methods: </strong>This in vitro study was conducted on 240 extracted bovine mandibular incisors. After cleaning and preparation, the teeth were paired and embedded in acrylic blocks, with their roots coated in silicone to simulate periodontal ligament mobility. Six groups (n = 20 pairs each) were formed according to the adhesive system used: G-aenial Anterior Composite (control), G-aenial Universal Flo, Single Bond Universal Adhesive, Ortho Connect Flow, G-Fix, and Fuji Ortho LC. Wire-composite splints were fabricated using 0.4 mm stainless steel wire, and the bonding procedures were carried out in accordance with the manufacturer's instructions. Shear bond strength was measured using a universal testing machine after 24 h of water storage at 37°C. Data were analyzed statistically using the Mann-Whitney U test and the Kruskal-Wallis H test at a significance level of 0.05. ROC analysis was performed to calculate a preliminary cut-off bond strength value.</p><p><strong>Results: </strong>The highest mean shear bond strength values were observed in the Ortho Connect Flow (8.49 MPa) and G-Fix (7.50 MPa) groups, which were significantly higher than those of the other materials tested (p < 0.05). The lowest values were observed in the Single Bond Universal (3.44 MPa) and Fuji Ortho LC (3.18 MPa) groups (p < 0.05). ROC analysis identified a cut-off value of 5.45 MPa for all groups and 6.91 MPa for the G-Fix group, both of which were above the minimum threshold values previously reported in the literature.</p><p><strong>Conclusions: </strong>G-Fix and Ortho Connect Flow demonstrated superior shear bond strength compared with conventional materials, indicating their potential as practical alternatives in wire-composite splint applications.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2026-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147505547","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}