Effect of orthodontic treatment on temporomandibula joint’s articular eminence and condylar position
조도현, 정한나, 최동순, 장인산, 차봉근,
소속 상세정보
조도현 ( Cho Do-Hyun ) -
정한나 ( Jeong Han-Nah ) -
최동순 ( Choi Dong-Soon ) -
장인산 ( Jang In-San ) -
차봉근 ( Cha Bong-Kuen ) -
Abstract
The purpose of this study was to investigate the effect of the orthodontic treatment on temporomandibular joint’s articular eminence and condylar position. This study included 95 adult patients who received fixed orthodontic treatment. The labiolingual inclination of the incisor, anterior overjet, and overbite were measured using cephalometric radiographs. The inclination of the articular eminence and condylar position were measured using cone-beam computed tomography before and after treatment. Regression analysis was employed to explore whether changes in incisor inclination and anterior occlusion affected the posterior inclination of the articular eminence and condylar position. Changes in the posterior inclination of the articular eminence and anterior joint space were found to be positively correlated with changes in anterior overbite. In contrast, changes in the posterior joint space were negatively correlated with changes in maxillary incisor inclination. The results suggest that changes in anterior occlusion, particularly anterior overbite, following orthodontic treatment may lead to minor adjustments in the posterior inclination of the articular eminence and condyle position.
키워드
Cone-beam computed tomography; Orthodontics; Overbite; Temporomandibular joint
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