目的分析正畸矫治前后成年女性骨性Ⅲ类错(牙合)低角患者颞下颌关节的变化,探讨非手术正畸治疗对成年骨性Ⅲ类错(牙合)低角患者颞下颌关节的影响。方法选取16例成年女性骨性Ⅲ类错(牙合)低角患者,18~23岁,采用 OPA-K 滑动直丝弓技术矫治,矫治前后拍摄双侧闭口矫正许勒位片和头颅侧位 X 线片,进行颞下颌关节间隙测量和头影测量分析。对矫治前后的测量数据进行配对 t检验。结果与矫治前相比,矫治后关节前间隙线距和面积分别增加0.27 mm(P
摘要(英文):
OBJECTIVE: To investigate the effects of orthodontic treatment on temporomandibular joint (TMJ) in adult low-angle patients with skeletal class III malocclusion. METHODS: Sixteen adult female low-angle patients with skeletal class III malocclusion were included in the study. All patients were treated with OPA-K straight wire technique. Lateral cephalometric and corrected transcranial projection films were taken before and after treatment. Cephalometric analysis was carried out. All data were analyzed statistically. RESULTS: After orthodontic treatment, the linear measurement and area of anteri...