Objective:To investigate the relationship among the congenital hypodontia of mandibular incisor and malocclusion and the variation of medial distal dimension of mandibular canine.
英
美
- 目的:探讨下颌恒切牙先天缺失情况,与牙颌畸形的关系以及下尖牙近远中径的变化。