Abstract
This paper investigated the incidenceand causes of osteosynthesis plate removal after orthognathic surgery. The sample consisted of 250 patients (141 women and 109 men) who underwent orthognathic surgery between April 2011 and February 2017 at the Oral and Maxillofacial Surgery Hospital of the Faculty of Dentistry of Erciyes University. Follow-up files, operation notes, and radiographic images were reviewed retrospectively. Operation dates, age, sex, malocclusion type, fixation methods, and orthognathic surgery methods were classified. The incidence and causes of osteosynthesis titanium miniplate removal and the average time between placement and removal were determined. Patients had a mean age of 22.9 ± 6.5 [min: 17; max: 55]. Fourteen patients (5.6%) developed fixation-related complications. They underwent plate removal due to plate-infections (nine cases- 3.6%) or plate exposure (five cases- 2.0%). The total number of plates used was 1242 [800 (64%) in the maxilla and 442 (36%) in the mandible]. Twenty-three plates were removed from the maxilla [11 (1.3%)] or mandible [12 (2.7%)] due to fixation material-related complications. The mean plate removal time was 11.21± 8.21 months (min:3- max:34 months). Osteosynthesis plates should be removed due to infections and plate exposure after orthognathic surgery. There should be left in place unless complications arise.
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