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Mechanics in the Production of Mandibular Fractures: A Clinical, Retrospective Case-Control Study

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  • Haihua Zhou
  • Kun Lv
  • Rongtao Yang
  • Zhi Li
  • Zubing Li

Abstract

As the mandible is susceptible to fracture, the aim of this study was to use multivariate logistic regression analysis to identify and distinguish various internal factors that may influence the location of mandibular fractures. The study included 1131 patients with maxillofacial fractures during the period from January 2000 to December 2009 to evaluate the association of mandibular fracture location (unilateral symphysis, body, angle, condylar, or bilateral condylar fractures) with various internal factors. Among the 1131 patients, 869 had mandibular fractures. Data on age, sex, soft tissue injuries, dental trauma, and maxillofacial fracture type were collected and analyzed using multivariate logistic regression. In total, 387, 210, 139, 319, and 172 patients were diagnosed with unilateral symphysis, body, angle, unilateral, or bilateral condylar fractures, respectively. The dental trauma in patients with bilateral condylar fractures differed from that in patients with unilateral condylar fractures. Patients with mandibular fracture (unilateral symphysis, body, unilateral or bilateral condylar) possessed an approximately equal risk of soft tissue injuries in the mandible. Patients with either unilateral or bilateral condylar fractures were associated with a low risk of mandibular angle fracture (OR

Suggested Citation

  • Haihua Zhou & Kun Lv & Rongtao Yang & Zhi Li & Zubing Li, 2016. "Mechanics in the Production of Mandibular Fractures: A Clinical, Retrospective Case-Control Study," PLOS ONE, Public Library of Science, vol. 11(2), pages 1-11, February.
    • Handle: RePEc:plo:pone00:0149553
    DOI: 10.1371/journal.pone.0149553
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