An objective, quantitative, dynamic assessment of facial movement symmetry changes after orthognathic surgery

The aim of this study was to generate a quantitative dynamic assessment of facial movement symmetry changes after orthognathic surgery. Twenty-five patients diagnosed with skeletal class III malocclusion with facial asymmetry who underwent bimaxillary surgery were recruited. The patients were asked to perform a maximum smile that was recorded using a three-dimensional facial motion capture system preoperatively (T0), 6 months postoperatively (T1), and 12 months postoperatively (T2). Eleven facial landmarks were selected to analyse the cumulative distance and average speed during smiling.

Source: International Journal of Oral and Maxillofacial Surgery - June 24, 2022 Category: ENT & OMF Authors: Z. Xue, G. Ye, T. Qiu, X. Liu, X. Wang, Z. Li Tags: Research Paper Source Type: research