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

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  • Ko-Chien Lin

    (Department of Plastic and Reconstructive Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Ta-Pei Road, Niao-Song District, Kaohsiung City 833, Taiwan)

  • Shu-Hui Peng

    (Department of Plastic and Reconstructive Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Ta-Pei Road, Niao-Song District, Kaohsiung City 833, Taiwan)

  • Pao-Jen Kuo

    (Department of Plastic and Reconstructive Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Ta-Pei Road, Niao-Song District, Kaohsiung City 833, Taiwan)

  • Yi-Chun Chen

    (Department of Plastic and Reconstructive Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Ta-Pei Road, Niao-Song District, Kaohsiung City 833, Taiwan)

  • Cheng-Shyuan Rau

    (Department of Neurosurgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Ta-Pei Road, Niao-Song District, Kaohsiung City 833, Taiwan)

  • Ching-Hua Hsieh

    (Department of Plastic and Reconstructive Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Ta-Pei Road, Niao-Song District, Kaohsiung City 833, Taiwan)

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.

Suggested Citation

  • Ko-Chien Lin & Shu-Hui Peng & Pao-Jen Kuo & Yi-Chun Chen & Cheng-Shyuan Rau & Ching-Hua Hsieh, 2017. "Patterns Associated with Adult Mandibular Fractures in Southern Taiwan—A Cross-Sectional Retrospective Study," IJERPH, MDPI, vol. 14(7), pages 1-8, July.
    • Handle: RePEc:gam:jijerp:v:14:y:2017:i:7:p:821-:d:105714
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    References listed on IDEAS

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    1. Muller, A., 2004. "Florida's Motorcycle Helmet Law Repeal and Fatality Rates," American Journal of Public Health, American Public Health Association, vol. 94(4), pages 556-558.
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