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ORIGINAL RESEARCH
Year : 2022  |  Volume : 13  |  Issue : 3  |  Page : 86-89

Does the Position of the Third Molar Have an Influence on the Location of Mandibular Fractures?


1 Oral and Maxillofacial Surgery Specialized Center, Paulista Association of Dental Surgeons, São Paulo, Brazil
2 Department of Oral and Maxillofacial Surgery, School of Dentistry, University of São Paulo, São Paulo, Brazil
3 Department of Oral and Maxillofacial Surgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA

Correspondence Address:
MS,PhD Joao Gualberto C Luz
Department of Oral and Maxillofacial Surgery, School of Dentistry, University of São Paulo, Av. Prof. Lineu Prestes, 2227, Cidade Universitâria, São Paulo
Brazil
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/denthyp.denthyp_64_22

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Introduction: This study evaluated the possible influence of the lower third molar and its position on the location of fractures in all mandibular regions. Methods: Computed tomography scans of patients with mandibular fractures in any region seen between August 2018 and July 2019 were evaluated. The presence and classification of third molars according to their vertical and horizontal positions and angulations were analyzed. Data were analyzed using the chi-square test, tree algorithm, and random forest model. Results: A total of 49 patients with mandibular fractures were seen and 40 patients (80% men), with a mean age of 33.4 years, were included. There was no correlation between fracture location and the vertical (P = 0.93) and horizontal (P = 0.76) Pell and Gregory classifications. There was a statistically significant relationship between fracture location and the Winter angulation classification (P = 0.01). Conclusion: Relative to the possible influence of lower third molars and their position on the location of mandibular fractures in all mandibular regions, only the angulation of the third molar had an influence. There was no correlation between the presence and the classifications of third molar impaction.


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