快速扩弓(rapid maxillary expansion,RME)是临床上常用的一种扩大上颌牙弓的方法。Angle于1860年首先用于临床,迄今已有一百多年历史。由于扩弓后容易复发而一度使用较少,但近年来,国内外又开始大量使用快速扩弓,并联合前方牵引。现将其矫治器的种类、颌面组织的变化以及临床应用综述如下。 Rapid maxillary expansion (RME) is a commonly used clinical method of expanding the maxillary dental arch. Angle first used in clinical in 1860, so far, a hundred years of history. Due to recurrence after expansion and easy to use less once, but in recent years, extensive use of rapid expansion at home and abroad began, and combined with the front traction. Now the types of appliances, maxillofacial tissue changes and clinical applications are summarized below.