口腔正畸为口腔医学的一门分支科学。其范围已从矫正牙齿排列不齐,扩大到矫正上下牙弓(牙合)关系的异常以及牙(牙合)与颅面关系的不协调。口腔正畸可分为活动正畸与固定正畸两大类。由于活动矫治器矫治错牙合的范围较局限,所以当今世界上已广泛应用了固定矫治器来矫治错(牙合)畸形。我国固定正畸起步较晚,是最近十多年来才开始推广应用于临床。我区则是近五年由区人民医院口腔科开始开展了此项技术。我科是1990年8月开 Orthodontics is a branch science of stomatology. Its scope has ranged from orthognathic teeth misalignment, anomaly to corrective dental arch alignment, and mismatch between teeth and occlusal surfaces. Orthodontics can be divided into two major categories of orthodontics and orthodontics. Due to the limited range of orthodontic appliances, the fixed appliance is widely used in the world to correct malocclusion. China's fixed orthodontics started late, is the last decade or more began to promote the clinical application. My district is the last five years by the District People's Hospital Department of Stomatology started this technology. My department is open in August 1990