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Complication rate in mandibular angle fractures—one vs. two plates: a 12-year retrospective analysis

Authors
  • Ferrari, Raphael1
  • Lanzer, M.1
  • Wiedemeier, D.2
  • Rücker, M.1
  • Bredell, M.3
  • 1 University Hospital of Zurich, Department of Craniomaxillofacial and Oral Surgery, Zurich, Switzerland , Zurich (Switzerland)
  • 2 University of Zurich, Statistical Services, Center of Dental Medicine, Zurich, Switzerland , Zurich (Switzerland)
  • 3 Cantonal Hospital Winterthur, Winterthur, Switzerland , Winterthur (Switzerland)
Type
Published Article
Journal
Oral and Maxillofacial Surgery
Publisher
Springer Berlin Heidelberg
Publication Date
Oct 16, 2018
Volume
22
Issue
4
Pages
435–441
Identifiers
DOI: 10.1007/s10006-018-0728-4
Source
Springer Nature
Keywords
License
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Abstract

PurposeTreatment of mandibular angle fractures using one or two osteosynthesis plates is still a controversial topic. Fracture, treatment, and patient-dependent influencing factors could affect the overall outcome. In the present retrospective study, complication rates of mandibular angle fractures treated by open reduction were assessed according to type of treatment.Materials and methodsWe analyzed retrospective medical records using the search terms “mandibular angle fracture.” We included all patients presenting with a mandibular angle fracture treated by open reduction and internal fixation at our department between 2002 and 2012.ResultsWe included 186 patients treated with open reduction and miniplate fixation (84 one plate; 102 two plates). The early complication rate was significantly higher for the double-plate group (72.5% vs. 47.6%, respectively; p = 0.001). Most common findings in the postoperative period were transient hypoesthesia and tissue swelling. In the two-plate group, a significantly increased operation time of 183 min versus 150 min in the one-plate group was found (p < 0.001). Late complications did not differ significantly between both groups (21.4% single-plate group; 30.4% two-plate fixation group; p = 0.32).ConclusionWe found a significantly increased early complication rate in the two-plate group. Long-term complications did not differ between both groups.

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