牙颌畸形常用的治疗方法之一是扩大牙弓,活动带翼扩弓矫治器是用于扩大牙弓的装置,其特点是一个矫治器可同时扩大上下牙弓。不需要上下颌分开做两付矫治器,这样可节省时间和材料(见插页图1、2)。 该矫治器的实际效果 一、1974年10月我们首次使用该活动带翼扩弓矫治器。现就已完成的170例,经临 Dental malformations are one of the commonly used methods of treatment is to expand the dental arch, activities with wings expansion appliance is to expand the dental arch device, which is characterized by an appliance can simultaneously expand the dental arch. There is no need to separate the upper and lower jaws to make two separate appliances, saving time and material (see inset 1, 2). The actual effect of the appliance First, in October 1974 we used the activity with the expansion appliance. 170 cases have been completed, by Pro