正畸是生物学、工程学和艺术的统一。前牙缺失对口腔科医生来说是一个非常具有挑战性的问题,无论是先天还是外伤导致的前牙缺失,都必需及时准确地进行修复。修复缺失牙有很多方法,如:正畸关闭间隙,固定或活动义齿,骨融合性种植体或自体牙移植,修复方法的选择不仅要考虑缺牙的 Orthodontics is a union of biology, engineering and the arts. Depletion of anterior teeth is a very challenging issue for dentists, and the loss of the anterior teeth, whether caused by congenital or traumatic injuries, must be promptly and accurately repaired. There are many ways to repair missing teeth, such as: orthodontic gap closure, fixed or movable denture, bone fusion or autologous dental implant, the choice of repair methods not only to consider the lack of teeth