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上颌横向发育不足是临床上常见的错牙合畸形,表现为上牙弓较下牙弓小,上下牙弓宽度不协调,后牙区反牙合甚至反锁牙合,常伴拥挤、腭盖高拱、颊侧前庭沟间隙变宽。上颌扩弓是治疗上颌牙弓横向发育不足的主要手段。目前常用的上颌扩弓方法包括:快速上颌扩弓(Rapid Maxillary Expansion,RME)、慢速上颌扩弓(Slow Maxillary Expansion,SME)、手术辅助上颌快速扩弓(Surgically Assisted Maxillary Expansion,SARME)。每种方法的适应症不尽相同。本文着重对上述3种扩弓矫治手段在临床的应用进展作一综述。
Occlusal maxillary hypoplasia is clinically common malocclusion, the performance of the lower arch than the lower dental arch, upper and lower arch width is not coordinated, anti-occlusion of the posterior teeth and even anti-occlusion, often accompanied by congestion, palatal high Arch, buccal vestibule groove widens. Maxillary expansion is the treatment of maxillary dental horizontal development of the main means. The commonly used maxillary expansion methods include Rapid Maxillary Expansion (RME), Slow Maxillary Expansion (SME) and Surgical Assisted Maxillary Expansion (SARME). Indications for each method vary. This article focuses on the above three kinds of augmentation correction in the clinical application of the progress are reviewed.