Dental TraumatologyPub Date : 2023-12-01Epub Date: 2023-07-23DOI: 10.1111/edt.12871
Michael Maurer, Tabea Klaes, Johannes K Meier, Josef Maximilian Gottsauner, Jürgen Taxis, Johannes Schuderer, Torsten E Reichert, Tobias Ettl
{"title":"Treatment of extracapsular fractures of the mandibular condylar process: A retrospective evaluation of 377 cases.","authors":"Michael Maurer, Tabea Klaes, Johannes K Meier, Josef Maximilian Gottsauner, Jürgen Taxis, Johannes Schuderer, Torsten E Reichert, Tobias Ettl","doi":"10.1111/edt.12871","DOIUrl":"10.1111/edt.12871","url":null,"abstract":"<p><strong>Background/aim: </strong>Mandibular condylar fractures represent 25%-35% of all mandibular fractures. Despite profound research, there is still a controverse debate about treating these fractures conservatively or by open reduction and internal fixation (ORIF). The aim of this study is to analyse the outcome after open and closed treatment of extracapsular mandibular condyle fractures regarding general characteristics, post-treatment malocclusion, facial nerve palsy (FNP), maximum mouth opening (MMO) and parotid complications.</p><p><strong>Methods: </strong>A retrospective cohort of 377 fractures (350 open, 27 closed treatment) was reviewed by reference to clinical and radiological pre- and postoperative documentation. Follow-up period was 12 months. Pearsons' chi-square-test, correlations, Kruskal-Wallis test and t-test were carried out for statistical analysis.</p><p><strong>Results: </strong>The dominant type of fracture was type II in Spiessl and Schroll classification (50.1%). In the open treated fractures, the most common approach was retromandibular transparotid (91.7%). Post-treatment malocclusion occurred in 18.0% and was significantly increased in bilateral fractures (p = .039), in luxation fractures (p = .016) and in patients with full dentition (p = .004). After open reduction and internal fixation (ORIF), temporary FNP was documented in 7.1% whereas a permanent paresis occurred in 1.7%. FNP was significantly associated with high fractures (p = .001), comminution (p = .028) and increased duration of surgery (p = .040). Parotid complications were significantly associated with revision surgery (p = .009). Post-treatment reduction of MMO mainly occurred in female patients (p < .001) as well as in patients with bilateral fractures (p < .001), high fractures (p = .030) and concomitant mandibular (p = .001) and midfacial fractures (p = .009).</p><p><strong>Conclusion: </strong>Malocclusion seems to be the most frequent long-term complication after open reduction and osteosynthesis of extracapsular mandibular condyle fractures. We suggest ORIF by a transparotid approach to be an appropriate treatment with a low complication rate regarding especially FNP for extracapsular fractures of the mandibular condyle.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9856094","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}
Dental TraumatologyPub Date : 2023-12-01Epub Date: 2023-07-09DOI: 10.1111/edt.12868
Sevinc Askerbeyli Örs, Selen Küçükkaya Eren
{"title":"Effects of different treatment modalities on biomechanical behavior of maxillary incisors with external invasive cervical resorption at different progression levels.","authors":"Sevinc Askerbeyli Örs, Selen Küçükkaya Eren","doi":"10.1111/edt.12868","DOIUrl":"10.1111/edt.12868","url":null,"abstract":"<p><strong>Background/aim: </strong>This study aimed to evaluate the biomechanical behavior of maxillary incisors with external invasive cervical resorption (EICR) at different progression levels after receiving different modes of treatment under occlusal forces using finite element analysis (FEA).</p><p><strong>Materials and methods: </strong>Three-dimensional (3D) models of intact maxillary central incisors were constructed and modified to include EICR cavities with different progression levels in the buccal cervical areas. The EICR cavities confined to dentin were repaired using Biodentine™ (Septodont Ltd., Saint Maur des Fausse ́s, France), resin composite, or glass ionomer cement (GIC) . Additionally, EICR cavities with pulp invasion requiring direct pulp capping were simulated as repaired using Biodentine only or 1 mm thick Biodentine and either resin composite or GIC for the rest of the cavity. Moreover, models with root canal treatment and EICR defects repaired using Biodentine, resin composites, or GIC were also generated. A force of 240 N was applied to the incisal edge. The principal stresses in the dentin were evaluated.</p><p><strong>Results: </strong>GIC showed more favorable results than the other materials in EICR cavities confined to the dentin. However, Biodentine alone resulted in more favorable minimum principal stresses (P<sub>min</sub> ) compared to other materials in EICR cavities with close pulp proximity. Exceptionally, the models localized in the coronal third of the root with a circumferential extension of the cavity >90° showed more favorable results for GIC. The presence of root canal treatment had no significant effect on stress values.</p><p><strong>Conclusions: </strong>Based on this FEA study the use of GIC in EICR lesions confined to the dentin is recommended. However, Biodentine may be a better option for restoring EICR lesions close to the pulp with or without root canal treatment. Except when the circumferential extension of the cavity is >90°, the use of GIC may be more advantageous.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10123069","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}
Dental TraumatologyPub Date : 2023-12-01Epub Date: 2023-08-14DOI: 10.1111/edt.12876
Kate P Kenny, Sue Pavitt, Robbie Foy, Peter F Day
{"title":"Improving data quality from routine clinical appointments-Development of a minimum dataset for traumatic dental injuries in children and adolescents.","authors":"Kate P Kenny, Sue Pavitt, Robbie Foy, Peter F Day","doi":"10.1111/edt.12876","DOIUrl":"10.1111/edt.12876","url":null,"abstract":"<p><strong>Background/aims: </strong>It is currently difficult to evaluate the success or not of treatment for dental injuries due to poor recording of diagnostic and treatment codes in clinical dentistry. A minimum dataset comprises a standardised minimum set of outcomes along with a specified outcome measurement instrument, to allow aggregated use of data from routine clinical care appointments. This study aimed to determine which outcomes should be included in a minimum dataset for traumatic dental injuries (TDI).</p><p><strong>Materials and methods: </strong>This is a three-stage sequential, mixed-methods study, using evidence-based best practice for dataset development. Normalisation process theory informed the development of the study protocols. In Stage 1, semi-structured interviews with patients and their parent or guardian were undertaken to identify outcomes of importance to patients. In Stage 2, an online Delphi survey was undertaken to identify outcomes of importance to clinicians. In Stage 3, a National Consensus Meeting was undertaken involving patient representatives, clinicians and other stakeholders, to agree which outcomes should be included in the minimum dataset.</p><p><strong>Results: </strong>Stage 1: Eleven participants were recruited, five children and six parents. Two key themes emerged from the analysis-communication and aesthetics. In Stage 2, 34 dentists were recruited, and 32 completed both rounds of the survey (97% retention). Most outcomes were deemed by participants to be of 'critical importance', with three outcomes deemed 'important' and none to be 'of limited importance'. In Stage 3, 15 participants took part in the consensus meeting. Participants agreed that the dataset should comprise a list of clinician-important outcomes (pulp healing, periodontal healing, discolouration, tooth loss) and a list of patient-important outcomes (communication, aesthetics, pain, quality of life).</p><p><strong>Conclusion: </strong>A Minimum Dataset for TDI has been developed using a robust and transparent methodology.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9991218","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}
Dental TraumatologyPub Date : 2023-12-01Epub Date: 2023-06-21DOI: 10.1111/edt.12864
Andomar Bruno Fernandes Vilela, Priscilla Barbosa Ferreira Soares, Fernanda Silva Gonçalves, Thiago Leite Beaini, Thiago Silva Peres, Carlos José Soares
{"title":"Fluorescence-aided identification technique using a low-cost violet flashlight and rotatory instruments for dental trauma splint removal.","authors":"Andomar Bruno Fernandes Vilela, Priscilla Barbosa Ferreira Soares, Fernanda Silva Gonçalves, Thiago Leite Beaini, Thiago Silva Peres, Carlos José Soares","doi":"10.1111/edt.12864","DOIUrl":"10.1111/edt.12864","url":null,"abstract":"<p><strong>Background/aim: </strong>Removing resin composites used for bonding dental trauma splints may result in irreversible damage to the enamel. This in vitro study evaluated the influence of additional violet illumination and different bur types on damage caused to tooth enamel.</p><p><strong>Materials and methods: </strong>Fifteen maxillary models with four bovine incisor teeth were prepared. All models were scanned using a laboratory scanning system (s600 ARTI; Zirkonzahn). Six experimental groups (n = 10) were generated by two study factors: lighting type (three levels), (1) low-cost (5-7 US$) violet LED flashlight (LUATEK, LT 408); (2) VALO Cordless light curing unit (Ultradent) with black lens; or (3) without additional illumination; and rotatory instrument (two levels), (1) diamond bur or (2) multifluted tungsten-carbide bur. New scanning was performed after splint removal, and the generated files were superimposed on the initial scans using Cumulus software. The light emitted by both violet light sources was characterized by using integrating sphere and beam profile. A qualitative and quantitative analysis of enamel damage and two-way ANOVA followed by Tukey's post hoc was used at an α = 0.05.</p><p><strong>Results: </strong>The use of low-cost violet flashlight that emitted the violet peak light at 385 nm and VALO Cordless with black lens at 396 nm resulted in significantly lower damage to the enamel surface than those in the groups without additional violet light (p < .001). An interaction between rotatory instruments and lighting was found. When no additional violet lighting was used, the diamond bur presented higher mean and maximum depth values.</p><p><strong>Conclusions: </strong>Fluorescence lighting facilitated the removal of remnant resin composite dental trauma splints, leading to less invasive treatment. The diamond bur resulted in higher enamel damage than that affected by the multifluted bur when no violet lighting was used. A low-cost violet flashlight is a useful fluorescence-aided identification technique for removing resin composite dental trauma splints.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9673000","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}
Dental TraumatologyPub Date : 2023-12-01Epub Date: 2023-08-02DOI: 10.1111/edt.12875
Misun Kwak, Yon-Joo Mah
{"title":"Comparison of characteristics of kick- and electric-scooter-related dental and maxillofacial injuries: A retrospective study.","authors":"Misun Kwak, Yon-Joo Mah","doi":"10.1111/edt.12875","DOIUrl":"10.1111/edt.12875","url":null,"abstract":"<p><strong>Background/aim: </strong>Owing to the nearly three-year-long COVID-19 pandemic, small personal transportation devices that allow for greater freedom of movement within the cities have gained attention. Therefore, the number of people using kick or electric scooters has increased. This study aimed to compare the characteristics of kick and electric scooter-related dental and maxillofacial trauma and provide helpful information for preventing scooter accidents, appropriate treatment of patients with scooter-related trauma, and policy establishment.</p><p><strong>Materials and methods: </strong>This retrospective observational study analysed the medical records of 310 patients who visited the emergency room of Ajou University Dental Hospital for kick and electric scooter-related oral and maxillofacial injuries between 1 January 2017 and 31 December 2022. Sex, age, scooter type, time, and mechanism of the accident, helmet use, alcohol consumption, dental and maxillofacial injury types, and treatment were analysed.</p><p><strong>Results: </strong>The average age in the kick-scooter group (5.71 ± 4.25) was lower than that in the electric-scooter group (28.24 ± 10.02) (p < .0001). There were more males in both groups. The helmet usage rates of the two groups were 2.80% and 7.88%, respectively. In the kick-scooter group, periodontal damage was more common than pulp injury, while in the electric-scooter group, pulp injury was more common than periodontal injury. There was no significant difference in soft-tissue damage between the two groups; however, bone fractures occurred significantly more frequently in the electric-scooter group (p < .0001).</p><p><strong>Conclusions: </strong>Electric scooters cause more crown and bone fractures than kick scooters and require more active treatment of dental and maxillofacial injuries. Riders should use protective equipment to prevent dental and maxillofacial injury. Although there are regulations related to scooters, the effectiveness of both kick- and electric-scooter related laws needs to be evaluated.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9923000","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}
Dental TraumatologyPub Date : 2023-12-01Epub Date: 2023-08-28DOI: 10.1111/edt.12873
Jéssica Muniz Loureiro, Victor Carvalho Vitolo Chaves, Patrícia A Risso, Marcela Baraúna Magno, Lucianne Cople Maia, Matheus de Melo Pithon
{"title":"YouTube™ as a source of tooth avulsion information: A video analysis study.","authors":"Jéssica Muniz Loureiro, Victor Carvalho Vitolo Chaves, Patrícia A Risso, Marcela Baraúna Magno, Lucianne Cople Maia, Matheus de Melo Pithon","doi":"10.1111/edt.12873","DOIUrl":"10.1111/edt.12873","url":null,"abstract":"<p><strong>Background/aim: </strong>Evaluate the informative content in tooth avulsion videos intended for dentists available on YouTube™ and analyse their compliance with the International Association of Dental Traumatology (IADT) guidelines 2020.</p><p><strong>Materials and methods: </strong>Google Trends was used to identify the most searched term for tooth avulsion. Tooth avulsion-related videos in Brazilian Portuguese intended for dentists were searched on YouTube™ with a 12-month filter. Two raters reviewed these videos to extract their features and evaluate and qualify them with two 9-point checklists based on the IADT 2020 guidelines. The emergency steps for tooth avulsion at the accident site were assessed before, during and after clinical management; each step received 1 point if present and 0 points if absent. The final score ranged from 0 to 9 points on each checklist (18 points total), and the total score was used to classify the videos as having poor, moderate or rich content. Reliability and video quality were evaluated by an adapted version of the DISCERN tool and global quality scale (GQS), respectively. The data were analysed with the Mann-Whitney U-test, Pearson chi-square test, and the Kappa statistic (p < .05).</p><p><strong>Results: </strong>Of 60 videos, 8 were included. All were uploaded by dental professionals or undergraduate students; the average duration was 11 min (range: 0.40-65 min), and the average number of views was 56.75. Half the videos (50%) had maximum completeness scores for questions about emergency dentist referral before clinical management, and more than half (75%) had maximum completeness regarding the steps required during and after treatment. Rich videos had higher GQS scores (p = .049) without significant correlation.</p><p><strong>Conclusions: </strong>Although most videos in Brazilian Portuguese were considered high-quality according to the IADT checklist, half of them presented partial absence of information regarding orientations at the accident site.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10075509","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}
Dental TraumatologyPub Date : 2023-12-01Epub Date: 2023-07-10DOI: 10.1111/edt.12869
Mille Greve Hansen, Andrew George Ross, Tim Meyer, Christian Knold, Ian Meyers, Kerry Peek
{"title":"Incidence, characteristics and cost of head, neck and dental injuries in non-professional football (soccer) using 3 years of sports injury insurance data.","authors":"Mille Greve Hansen, Andrew George Ross, Tim Meyer, Christian Knold, Ian Meyers, Kerry Peek","doi":"10.1111/edt.12869","DOIUrl":"10.1111/edt.12869","url":null,"abstract":"<p><strong>Aim: </strong>This descriptive epidemiological study aimed to quantify the incidence, characteristics and costs of head, neck and dental injuries in non-professional football players.</p><p><strong>Methods: </strong>Injury data were coded (using Orchard Sports Injury and Illness Classification System) from a de-identified insurance database containing three seasons (2018-2020) of data. Cost data included direct and indirect costs presented by type of injury, age group and sex using means ± SD, range of costs ($AU) and total costs ± SE. Chi-squared tests were used to analyse the data (significance level p < .05) with injury incidence rates (IR) calculated per 1000 match hours and per 1000 injury insurance claims.</p><p><strong>Results: </strong>A total of 388 injuries affecting 240 players were sustained. Of these, 43% (n = 102) of players also sustained one or more secondary injuries, mainly to the head or neck area. Dental injuries (n = 143, 39%, IR = 0.008) accounted for the highest number of primary and secondary injuries and the highest mean direct cost per injury ($AU1152), while head and facial injuries accounted for the highest proportion of total costs ($AU434,101). Players who sustained one or more secondary injuries had the highest direct and indirect mean cost per injury.</p><p><strong>Conclusions: </strong>Given the frequency and cost of dental injuries in non-professional football players, injury prevention initiatives warrant further investigation.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9757524","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}
Dental TraumatologyPub Date : 2023-12-01Epub Date: 2023-06-27DOI: 10.1111/edt.12863
Athanasios Stamos, Marc Engels-Deutsch, Sophie Cantamessa, Jean-Luc Dartevelle, Thierry Crouzette, John Haughey, Flavia Del Grosso, Stavros Avgerinos, Tilman Fritsch, Alessandro Nanussi, Florian Trombowsky, Markus Striegel, Mike Salyzyn, Jim Whitehead, Hans Stasiuk, Emilio Canal, Enrique Amy, Mark Roettger, Christos Rahiotis
{"title":"A suggested universal protocol for dental examination in sports.","authors":"Athanasios Stamos, Marc Engels-Deutsch, Sophie Cantamessa, Jean-Luc Dartevelle, Thierry Crouzette, John Haughey, Flavia Del Grosso, Stavros Avgerinos, Tilman Fritsch, Alessandro Nanussi, Florian Trombowsky, Markus Striegel, Mike Salyzyn, Jim Whitehead, Hans Stasiuk, Emilio Canal, Enrique Amy, Mark Roettger, Christos Rahiotis","doi":"10.1111/edt.12863","DOIUrl":"10.1111/edt.12863","url":null,"abstract":"<p><p>The athletes of any sport and level submit their bodies to constant exercise. Any given pathology can increase the risk of injury, illness, or even reduced performance. The medical examination is valuable in diagnosing existing health problems and preventing medical issues that might compromise the athlete's overall health when exercising. The stomatognathic system is not an exemption, as oral pathologies, including dental caries and periodontal diseases, are found in high incidence in sports. The need for accurate and detailed dental examination in sports leaded dentists from the European Association for Sports Dentistry and the Academy for Sports Dentistry to elaborate a universal dental examination in sports protocol that can record the overall oral health of the athlete, including the teeth, periodontium, and musculoskeletal screening, for all athletes. The outcome of this stomatognathic examination allows sports physicians and professionals other than dentists to have a complete image of the individual oral health condition of any given athlete, and it allows the dentists to efficiently screen and prevent pathologies, as well as to advise on the eligibility to practice sports from the oral health perspective.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9680777","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}
Dental TraumatologyPub Date : 2023-12-01Epub Date: 2023-08-02DOI: 10.1111/edt.12874
Luyang Zhao, Yifei Long, Guikun Xu, Jie Long
{"title":"Assessment of relationships between condylar fracture pattern and mandibular third molar position by panoramic radiography and computed tomography: A retrospective comparative study.","authors":"Luyang Zhao, Yifei Long, Guikun Xu, Jie Long","doi":"10.1111/edt.12874","DOIUrl":"10.1111/edt.12874","url":null,"abstract":"<p><strong>Background/aim: </strong>Although previous studies have revealed the influence of the mandibular third molar (M3) on mandibular condylar fracture risk and that the presence of M3 could result in different incidences of condylar and angle fractures, there have been no analyses of the influence of M3 on fracture patterns. Moreover, evaluations of M3 position using panoramic radiography have shown insufficient accuracy. This study investigated the relationship between condylar fracture patterns and M3 position using panoramic radiography and computed tomography.</p><p><strong>Materials and methods: </strong>This retrospective study included 280 patients with unilateral mandibular condylar fractures and ipsilateral M3 admitted to West China Hospital of Stomatology between January 2016 and June 2022. Patient medical records, panoramic radiographs, and computed tomography images were collected. The vertical and horizontal positions of M3 were classified using the Pell and Gregory system. M3 angulation was defined as the angle between the long axis of M3 and the mandibular occlusal plane. Condylar fracture patterns were classified as intracapsular (Types A-C) or extracapsular (neck and base). Data were analyzed using McNemar-Bowker test, Pearson chi-squared test, and Fisher's exact test.</p><p><strong>Results: </strong>Classification of M3 position differed significantly between panoramic radiography and computed tomography images (p < .05). There was a significant association between the mandibular condylar fracture pattern and M3 horizontal position on computed tomography (p < .05). Class I M3 position on computed tomography was associated with a higher incidence of intracapsular than extracapsular fractures, along with a higher incidence of Type B than base fractures; the opposite relationships were observed for Class II. No such association was identified on panoramic radiography.</p><p><strong>Conclusions: </strong>Mandibular condylar fracture patterns were presumably influenced by M3 horizontal position on computed tomography. The imaging modality affected the classification of M3 position and subsequent analyses. Computed tomography is recommended for future studies to improve accuracy and reliability.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10277707","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":"Endodontic and restorative management of an adult with avulsion of multiple teeth: A case report with 5 years and 9 months of follow-up","authors":"Florin Eggmann, Andreas Filippi, Khaled Mukaddam","doi":"10.1111/edt.12915","DOIUrl":"10.1111/edt.12915","url":null,"abstract":"<p>Simultaneous avulsion of four or more teeth is a rare event. This case report examines the dental care given to an adult who, during a bicycle accident, experienced the avulsion of a mandibular incisor as well as all of his maxillary incisors. In the immediate aftermath of the accident, four out of the five incisors were located, promptly collected, and stored in a tooth rescue box, all within a 20-min window. Replantation and splinting were performed on the day of the accident. Endodontic treatment involved sequential intracanal dressing with an antibiotic–corticosteroid paste followed by calcium hydroxide prior to root canal obturation. 3 months post-accident, signs of external replacement resorption (ERR) began to appear in all the replanted teeth. The gap created by the missing maxillary central incisor was managed with a three-unit fixed dental prosthesis, despite the onset of ERR in the incisors used as abutment teeth. Regular follow-ups showed a relatively slow ERR progression rate over a span of nearly 6 years. The patient expressed satisfaction with both the esthetic and functional outcomes. This case, marked by multiple avulsions, underscores the importance of immediate and appropriate intervention alongside the imperative for carefully considered long-term management strategies. Given the decelerated bone remodeling rate in adults, ERR generally progresses at a slower pace than in children. Accordingly, this case demonstrates the viability of retaining replanted teeth over the long term, even when these teeth have been subjected to nonphysiological storage for extended durations, a factor known to impede periodontal healing.</p>","PeriodicalId":55180,"journal":{"name":"Dental Traumatology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138464555","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}