上颌侧切牙由于乳牙滞留或其它原因导致其腭向错位,而近远中邻芽间形成唇侧间隙,影响美观并食物嵌塞。此类患者在门诊较为常见,尤其青年人更多。临床常规修复方法有塑料全冠、高分子材料粘牙、金胶联冠等。前两者均不太坚固,后者是 Maxillary lateral incisors due to deciduous stagnation or other reasons leading to the palatal dislocation, and near and far adjacent to the formation of labial gap between the lips, affecting the appearance and food impaction. Such patients are more common in clinics, especially young people more. Clinical routine repair methods are plastic crown, macromolecule material sticky teeth, gold glue joint crown and so on. The former two are not too strong, the latter is