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上牙弓快速扩大,目前认为是一种可行的矫治方法,1860年Angel首先用这个方法来扩大上牙弓,重新分开腭中缝。1903年鼻科医生Brown用此方法改善鼻腔的气道,由于存在复发的问题,几年后这个方法被抛弃。但从1961年以来在美国、欧洲又陆续采用了这个方法。本文描述了作者用过的快速扩大法,同时回答以下问题。1.在快速扩大过程中会发生什么问题。2.治疗后是否会复发。3.对牙齿有何不利影响。4.快速扩大法的优点。材料和方法: 作者检查了15例2—8年前采用过快速
On the rapid expansion of the dental arch, is currently considered a viable correction method, Angel first use this method in 1860 to expand the upper arch, re-separation of the palate. In 1903, the nose doctor Brown used this method to improve nasal airway, which was abandoned in a few years because of recurrence. But since 1961 in the United States, Europe has adopted this method one after another. This article describes the rapid augmentation method used by the author and answers the following questions. 1. What happens during the rapid expansion? Will relapse after treatment? What are the negative effects on the teeth? 4. Quickly expand the advantages of the law. MATERIALS AND METHODS: The authors examined 15 patients 2-8 years ago using fast