摘要Ⅱ类错 是导致青少年外貌不佳、咬合功能紊乱的原因之一，可影响青少年身心发育。青少年Ⅱ类错 成因复杂，青春期是生长改良的重要治疗窗口期，因此治疗时机和方法的正确选择是青少年Ⅱ类错 矫治成功的关键。同时，精准的风险防控也有利于治疗效果的提高。本文从Ⅱ类错 的危害、诊断、治疗、风险控制等方面，浅谈与青少年Ⅱ类错 诊疗相关的重要因素。

abstractsClass Ⅱ malocclusion is one of the factors inducing poor appearance and occlusal dysfunction in adolescents, which affects their physical and mental development. The success of treatment in correction class Ⅱ malocclusion in adolescents is dependent on the appropriate choice of therapy timing and methods, because of multifaceted causes. And puberty represents an essential period for development improvement. In the meantime, precise risk prevention and management are also conducive to the enhance treatment outcomes. A comprehension of the diagnosis, therapy, and risk control of adolescents class Ⅱ malocclusion will be discussed.