Effect of bimaxillary surgery on the stress distributions in patients with mandibular retrognathia under unilateral molar clenching

Haidong Teng, Bingmei Shao and Zhan Liu

Computer Methods in Biomechanics and Biomedical Engineering, 2024, vol. 27, issue 8, 943-950

Abstract: To investigate the effect of bimaxillary surgery on the stress distribution of the temporomandibular joint (TMJ) in patients with mandibular retrognathia under unilateral molar clenching (UMC). Five patients with mandibular retrognathia (preoperative group) and ten asymptomatic subjects (control group) were recruited. In addition, patients treated with bimaxillary surgery were considered as the postoperative group. The muscle forces corresponding to UMC were applied. The results showed that the discal stresses in the postoperative group were significantly greater than those in the preoperative and control groups. Bimaxillary surgery plus UMC had a detrimental effect on the TMJ.

Date: 2024
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DOI: 10.1080/10255842.2023.2216825

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