对于大多数错始畸形来说，拔除下切牙并不是一种标准的对称治疗的方法，但是临床治疗目的必须针对患者的个体治疗需要，即使这种方法可能得不到最终理想的瑞关系。在一些特定病例中，拔除下切牙可以最简单的正畸过程来改善和提高患者牙列和胎的美观度。拔除下切牙的适应症如下 The removal of the incisors is not a standard method of symmetrical treatment for most wrong deformities, but the goal of clinical treatment must be tailored to the patient's individual treatment needs, even though this approach may not yield the ultimate ideal relationship. In some specific cases, the removal of the incisors can be the most simple orthodontic process to improve and improve the patient's dentition and fetal aesthetics. Indications for removal of the incisors are as follows