[功能性矫治器对Ⅱ类错（牙合）髁突位置改变的Meta分析]
[Meta-analysis of the condylar position changes produced by functional appliances in class Ⅱ malocclusion].
作者信息
Xinqi Huang, Xiao Cen, Jun Liu
机构信息
State Key Laboratory of Oral Diseases, Dept. of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
State Key Laboratory of Oral Diseases, Dept. of Oral and Maxillo-facial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
出版信息
Hua Xi Kou Qiang Yi Xue Za Zhi. 2016 Dec 1;34(6):589-593. doi: 10.7518/hxkq.2016.06.008.
OBJECTIVE
This study aimed to analyze the condylar position changes produced by functional appliances in class Ⅱ malocclusion by systematic review.
METHODS
Electronic search was conducted using Chinese Biomedical Literature Database, China National Knowledge Infrastructure, VIP Database for Chinese Technical Periodicals, Medline, Embase, Pubmed, and Cochrane Central Register of Controlled Trials. Studies on condylar position changes produced by functional appliances in class Ⅱ malocclusion were included. Risk of bias assessment and data extraction of included studies were conducted by two reviewers independently. The meta-analysis was carried out using Revman 5.1.
RESULTS
Six studies were included (five high quality and one low quality). The condylar position showed no changes after Herbst treatment. The condylar posterior space after Twin-block treatment averagely increased by 0.31 mm (P<0.000 01), whereas the condylar anterior space averagely reduced by 0.32 mm (P<0.000 01).
CONCLUSIONS
Twin-block appliance enables forward movement of the condylar position. This result contributes to the correction of class Ⅱ malocclusion.
目的
本研究旨在通过系统评价分析功能性矫治器对Ⅱ类错牙合患者髁突位置变化的影响。
方法
通过检索中国生物医学文献数据库、中国知网、维普中文科技期刊数据库、Medline、Embase、Pubmed及考克兰系统评价数据库，纳入关于功能性矫治器对Ⅱ类错牙合患者髁突位置变化影响的研究。由两名评价员独立进行纳入研究的偏倚风险评估和数据提取。采用Revman 5.1软件进行Meta分析。
结果
共纳入6项研究（5项高质量研究和1项低质量研究）。Herbst矫治器治疗后髁突位置无变化。Twin-block矫治器治疗后髁突后间隙平均增加0.31mm（P<0.000 01），而髁突前间隙平均减少0.32mm（P<0.000 01）。
结论
Twin-block矫治器可使髁突位置向前移动。该结果有助于Ⅱ类错牙合的矫治。
Zotero 插件