成人低角骨性Ⅲ类错非手术矫治对颞下颌关节的影响  

Effects of non-surgical treatment on temporomandibular joint of adult low-angle subjects with severe skeletal Class Ⅲ deformity

作　　者：赵艳红[1] 王春玲[1] 郭杰[1] 朱鲲[1] 魏福兰[1] 

机构地区：[1]山东大学口腔医院正畸科,山东济南250012

出　　处：《华西口腔医学杂志》2007年第5期463-466,469,共5页West China Journal of Stomatology

摘　　要：目的探讨非手术矫治对成人低角骨性Ⅲ类错患者颞下颌关节的影响。方法选取13例严重成人低角骨性Ⅲ类错病例,男5例,女8例,年龄18～23岁,平均年龄21.3岁。所有患者均采用OPA-K滑动直丝固定矫治技术矫治,矫治前后均做Helkimo指数分析,并拍摄双侧闭口矫正薛氏位片和X线头颅侧位片,行颞下颌关节间隙测量和头影测量分析。采用SPSS12.0统计软件进行统计分析。结果非手术矫治后,Helkimo主诉症状指数重新分布,Ai0级比例明显升高,AiⅡ级比例减少为零。间隙分析表明:矫治前,髁突处于关节窝过前位;矫治后,关节前间隙线距和面积增大(P<0.01),后间隙线距和面积减小(P<0.05),线性百分比由20.81%减小为8.04%,面积比P′/A′由1.62减小为1.01,关节前后间隙基本相等。髁突及下颌骨发生后移。结论成人低角骨性Ⅲ类错非手术矫治后,髁突由下前位向后移至中位范围,关节结构趋于协调和稳定,颞下颌关节紊乱症状得到了有效缓解。Objective To investigate effects of non-surgical treatment on temporal mandibular joint （TMJ） of adult low-angle subjects with severe skeletal Class Ⅲ deformity. Methods Thirteen low-angle patients with severe skeletal Class Ⅲ malocclusion （male 5, female 8） were included in the study. The average age was 21.3 years old. They were treated with OPA-K straight wire technique. Helkimo index evaluation was made before and after treatment. Lateral cephalometric films and corrected TMJ lateral cephalometric radiograghs were taken before and after treatment, and linear and area measurement were observed. All data were analyzed with SPSS 12.0 software. Results After non-surgical treatment, Helkimo indexes of all patients redistributed. The line distance and area of anterior space in TMJ increased while the posterior space decreased. Linear percent decreased from 20.81% to 8.04%, and area proportion decreased from 1.62 to 1.01. Anterior space was the same as the posterior. Condyles and mandibles were retruded. Conclusion After non-surgical therapy in adult low-angle subjects with severe skeletal Class Ⅲ malocclusion, condyles remove posteriorly from more anterior position to normal concentric position, and temporo- mandibular disorders symptom is relieved and cured effectively.

关 键 词：骨性Ⅲ类错(牙合) 成人 正畸治疗 颞下颌关节 

分 类 号：R783.5[医药卫生—口腔医学]