Objective to analyze the correlation between the phenotype and genotype of tooth agenesis using the tooth agenesis code (TAC) and the traditional descriptor for missing teeth.
目的用先天性缺牙编码(TAC)及传统缺失牙位方式比较先天缺牙表型及基因型的相关性。
Conclusion: the thickness of buccal bone wall and position of missing tooth, may influence the maxillary alveolar ridge alterations after immediate implantation.
结论：颊侧骨板的厚度及缺牙位置均有可能影响术后牙槽嵴的改建。
A missing tooth or slightly misaligned teeth should not be too severely penalized.
缺齿和牙齿略不整齐都不是严重缺陷。
Tooth is the important constituent of the occlusal support system and tooth missing may cause the occlusal support function subsiding or losing.
牙齿是咬合支持系统的重要组成部分，牙齿的缺失尤其是多数牙齿的缺失必然导致咬合支持状态的改变。
Tooth is the important constituent of the occlusal support system and tooth missing may cause the occlusal support function subsiding or losing.
牙齿是咬合支持系统的重要组成部分，牙齿的缺失尤其是多数牙齿的缺失必然导致咬合支持状态的改变。
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