门诊中常见一些长得聪明伶俐的孩子,但他们口内的牙齿却排列不齐,家长为此到处咨询、求医。在儿童生长发育过程中,由于各种原因,如乳牙期及替牙期的面部障碍、口腔不良习惯、发育异常、全身性疾病以及遗传因素等都可影响孩子的牙、颌、面的正常发育,继而出现牙齿排列不齐,严重的还会出现上下牙(牙合)关系异常、颌骨位置形态变异。 Clinics often see some bright and clever children, but their teeth are arranged in the mouth missing, parents everywhere consult and seek medical advice. During the growth and development of children, the normal development of the teeth, jaws and face of the child can be affected due to various reasons, such as facial obstruction in the deciduous period and dentition, bad oral habits, dysplasia, systemic diseases and genetic factors , Followed by missing teeth arranged in serious cases there will be abnormal upper and lower teeth (occlusion), jaw position and shape variation.