Conclusion: Angle Class II division 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。

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Conclusion: Angle Class II division 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