malocclusion
- 1. Objective: to investigate the type of upper second molar malocclusion and its related-factors.
- 目的：探讨上颌第二磨牙错？畸形的种类及相关因素。
youdao
- 2. Conclusion: Angle Class II pision 2 malocclusion is closely related to congenital tooth anomalies.
- 结论：安氏II类2分类错牙合与过小侧切牙、釉质发育不良、先天缺牙密切相关。
youdao
- 3. Conclusion: Angle Class II pision 2 malocclusion is closely related to congenital tooth anomalies.
- 结论：安氏II类2分类错牙合与过小侧切牙、釉质发育不良、先天缺牙密切相关。
youdao
