Abstract:

Abstract：Patient compliance is crucial in orthodontic treatment，and this is especially true for clear aligner treatment. Due to the material characteristic of the clear aligner，patients with short clinic tooth crown beyond the applicability. Clinically，we classify patients by clear aligner treatment complexity as mild，moderate and extreme. Assuredly，the lower the complexity，the better the management outcome will be attainted.

Key words: invisible orthodontics, patient compliance, clinic tooth crown, orthodontic treatment complexity

摘要：

隐形矫治器要求患者有较好的合作性。由于矫治器本身的特性，患者的临床牙冠不应过短。根据该矫治器对牙齿的控制程度，可将矫治病例分为低、中、高矫治难度。矫治难度越低，控制程度越好。

关键词: 隐形矫治, 患者合作性, 临床牙冠, 矫治难度