Patterns Associated with Adult Mandibular Fractures in Southern Taiwan—A Cross-Sectional Retrospective Study

Abstract

Purpose: This study aimed to determine the patterns associated with adult mandibular fractures from a Level-I trauma center in southern Taiwan. Methods: The data of adult trauma patients admitted between 1 January 2009 and 31 December 2014 were retrieved from the Trauma Registry System and retrospectively reviewed. Fracture site and cause of injury were categorized into groups for comparison, and corresponding odds ratios (ORs) and 95% confidence intervals (CIs) were obtained by multivariate logistic regression. Results: Motorcycle accidents were the most common cause of mandibular fractures (76.3%), followed by falls (10.9%), motor vehicle accidents (4.8%), and being struck by/against objects (4.5%). Of the 503 cases of mandibular fractures, the condylar neck and head were the most common sites (32.0%), followed by the parasymphysis (21.7%), symphysis (19.5%), angle and ramus (17.5%), and body (9.3%). The location of mandibular fractures in patients who had motorcycle accidents was similar to that in all patients. Motor vehicle accidents resulted in a significantly higher number of body fractures (OR 3.3, 95% CI 1.24–8.76, p = 0.017) and struck injury in a significantly higher number of angle and ramus fractures (OR 3.9, 95% CI 1.48–10.26, p = 0.006) compared to motorcycle accidents. The helmet-wearing status and body weight were not associated with the location of mandibular fractures in motorcycle accidents. Conclusions: Our study revealed that the anatomic fracture sites of mandible were specifically related to different etiologies. In southern Taiwan, motorcycle accidents accounted for the major cause of mandibular fractures and were associated with the condylar neck and head as the most frequent fracture sites. In contrast, motor vehicle accidents and struck injuries tended to cause more body fracture as well as angle and ramus fracture compared to motorcycle accidents. Furthermore, the status of helmet-wearing and body weight were not associated with the location of mandible fractures caused by motorcycle accidents.

A 6-Year Epidemiological Study of Mandibular Fractures in Traumatic Patients in North of Iran: Review of 463 Patients

“…According to the preliminary results of the present study, the frequency of injury was higher in men than that in women, and the mean age of the participants was 29.79±14.21 yr old. This is consistent with other studies' results [21][22][23] . Since the second and third decades of age are the most active period of human life 24,25 , and men have more work activities at the communities, and because of the major etiology of fractures and moods of men for risk-taking, these results are expected [26][27][28] .…”

Ten-year retrospective study on mandibular fractures in central Taiwan

“… 6 Road traffic accidents (RTAs) were a common cause in Taiwan, 3 especially motorcycle accidents; and it was shown that the condylar neck and head were the most common sites (32.0%), followed by the parasymphysis (21.7%) and symphysis (19.5%). 7 …”

Spectrum of Mandibular Fractures in a Tertiary Care Hospital of Karachi

“…While a cross-sectional retrospective study conducted at Southern Taiwan revealed that condylar neck and head were the most common sites (32%) followed by the parasymphysis (21.7%), symphysis (19.5%), angle and ramus (17.5%) and body (9.3%). (15) In an epidemiological survey of mandibular fractures in Caracas (Venezuela) evaluated the incidence and its combination patterns showed that the parasymphysis region was the most common location of mandibular fractures with 144 (27.6%) fractures. 16A road traffic accident was the major cause of trauma i.e.…”