前牙外伤后全部脱位、部分脱位是口腔科的常见急症和多发病,对其进行早期复位固定是基本的治疗原则。传统的治疗方法多位金属丝牙弓夹板固定法[1],体积大,创伤大,愈后较差,且常对牙周组织造成二次损伤和疼痛。笔者自2005年以来,把正畸使用的方丝弓矫治技术应用到前牙外伤的固定处理上,取得了良好的效果。现报告如下。 Partial dislocation of the front teeth after trauma, partial dislocation is a common emergency and frequently-occurring disease, its early reduction and fixation is the basic principle of treatment. The traditional treatment of a number of metal wire dental arch splint [1], bulky, trauma, worse after healing, and often cause secondary damage to the periodontal tissue and pain. Since 2005, the author has applied orthodontic square wire arch correction technique to the fixed treatment of anterior tooth trauma and achieved good results. The report is as follows.