牙齿从前端往后依次为中切牙，侧切牙，尖牙，第一前磨牙，第二前磨牙，第一磨牙，第二磨牙，第三磨牙。 侧切牙位于中切牙与尖牙之间。
尖牙改形替代侧切牙是安全可行的。
The procedure of reshaping canines to resemble the missing lateral incisors is safe clinically.
目的：研究上颌侧切牙畸形根面沟的外形。
AIM: To study the morphology of deform root groove in the maxillary lateral incisors.
摘要[摘要]目的评价舌侧错位侧切牙行氧化锆全瓷修复远期疗效和美学效果。
Abstract: Abstract: Objective evaluation of lateral incisor lingual dislocation lines zirconia all-ceramic restorations long-term efficacy and aesthetic effect.
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