期刊
JOURNAL OF CRANIO-MAXILLOFACIAL SURGERY
卷 50, 期 3, 页码 218-224出版社
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.jcms.2021.11.012
关键词
Temporomandibular disorder; Orthognathic surgery; Dentofacial deformity; Mandibular asymmetry
This study aimed to evaluate the difference in TMD prevalence before and after orthognathic surgery, particularly in patients with mandibular asymmetry. The results showed a significant reduction in TMD prevalence after surgery, but a small percentage of patients may experience a worsening of symptoms.
This study aimed to evaluate the difference in prevalence of temporomandibular disorder (TMD) before and after orthognathic surgery (OGS), particularly in patients with mandibular asymmetry. A prospective cohort study of patients undergoing corrective orthognathic surgery was conducted. Pre-operative and post-operative (3 months, 6 months and 1 year) TMD assessment were performed according to the Diagnostic Criteria for TMD (DC/TMD) protocol. 64 patients were included in the study. Overall, there was a significant reduction of 26.5% in TMD prevalence from 60.9% pre-operatively to 34.4% 1-year post-operatively (p = 0.003). In all, 37.5% of patients had their TMD condition treated, 50% had no change in their symptoms while 12.5% experienced a worsening of their symptoms. No significant difference in terms of change in TMJ status was observed among the different ramus procedures, the type and magnitude of mandibular movement, skeletal class, and presence of mandibular asymmetry. In conclusion, it appears that corrective orthognathic surgery for dentofacial deformities might provide a secondary benefit of treating TMD. However, surgeons have to be aware that a small percentage of patients might experience a deterioration of their TMD condition, and that those who were previously asymptomatic may develop TMD symptoms after surgery. (c) 2021 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved.
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