J Korean Assoc Oral Maxillofac Surg 2018; 44(6): 269~274
A retrospective study of mandibular fractures in children
Santanu Mukhopadhyay
Department of Pedodontics and Preventive Dentistry, Dr. R. Ahmed Dental College & Hospital, Kolkata, India
Santanu Mukhopadhyay
Department of Pedodontics and Preventive Dentistry, Dr. R. Ahmed Dental College & Hospital, 114 Acharya Jagadish Chandra Bose Road, Sealdah, Kolkata 700014, India
TEL: +91-33226511032 FAX: +91-33222268509
E-mail: msantanu25@gmail.com
ORCID: https://orcid.org/0000-0002-7810-987X
Received December 5, 2017; Revised January 17, 2018; Accepted January 17, 2018.; Published online December 31, 2018.
© Korean Association of Oral and Maxillofacial Surgeons. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
 Abstract
Objectives: The incidence and patterns of mandibular fractures vary by country and population age. This retrospective study evaluated the etiologies and patterns of mandibular fractures in children.
Materials and Methods: The clinical records of 89 children (45 males and 44 females) aged 0 to 12 years who presented with mandibular fractures from July 2012 to June 2016 were retrospectively reviewed. The sex, patient age, site of fracture, etiology of trauma, and monthly variations of the fractures were recorded. Descriptive statistics, the z-test and chi-square test were used for statistical analysis and the P-value was set at <0.05.
Results: Eighty-nine children (male-to-female ratio 1.02:1) sustained 131 mandibular fractures. Within the study sample, the 6 to 9 year age group most frequently experienced fractures (47.3%). Falls and road traffic accidents (RTA) were the two most common etiological factors that accounted for 44.9% and 24.7% of cases. The condylar fracture was the most common anatomical location (38.9%) followed by the angle (20.6%), parasymphysis (18.3%), body (15.3%), and symphysis (5.3%). A single fracture (51.7%) was more common than multiple fractures (48.3%). The month-wise distribution of mandibular fractures was fairly constant.
Conclusion: The condylar region was the most common anatomic site for fractures; in addition, a fall and RTA were the major etiological factors for mandibular fractures. A single fracture was observed in 51.7% of patients while multiple fracture lines accounted for 48.3% of cases.
Keywords: Mandibular fractures, Child, Epidemiology


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31 December 2018
Vol. 44
No. 6 pp. 249~302

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