咬合前导型功能性矫治器治疗时机的选择

Timing of treatment with bite-jumping appliance in orthodontics

对于下颌后缩的深覆盖患者,特别是安氏II类骨性(或牙性错牙合)患者,利用其青春迸发期生长潜力使用咬合前导型功能性矫治器治疗,是一种合理的矫治方法,能减小成年后正畸减数和正颌手术的概率。咬合前导型功能性矫治器治疗启动最佳时机的选择,已成为国内外研究的重点。作者根据近年来有关研究进展情况,对固定式与可摘式两大类咬合前导型功能性矫治器的治疗时机选择及其优缺点进行了综述。

Bite-jumping appliance is a rational appliance for patients with severe overjet and retrusive mandible. In the pubertal growth spurt of patient, the appliance has good effect on skeletal or dental Angle class II malocclusions. After functional treatment, the probability of orthodontic treatment and orthopedic surgery in adult can be reduced. However, the most suitable time to use the bite-jumping appliance has been discussed continuously in various studies. According to many studies related, this paper summarized the treatment time of the fixed and the removable bite-jumping appliances, and compared the advantages and disadvantages between them.