Then, I attach the missing tooth (pontic) to the crowns.
然后我把掉牙的地方与牙冠连接上。
The upper tooth that was biting against the missing lower tooth will drop downward, because there's nothing below it to hold it in place.
原来与这颗牙拔掉上下咬合的上排的牙齿，因为在它底下没有牙齿承住它，会变的往下突出。
But tooth missing is precisely one of the common and frequently-occurring diseases in middle-aged persons and old persons, in particularly the elder.
而牙齿缺失，正是中老年人，尤其是老年人的常见病和多发病之一。
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。
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。
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。
Objective To evaluate the status of tooth-missing and dental restorations of residents in Shanghai.
目的调查上海市普陀区、闸北区部分中老年居民牙齿缺失及修复的情况。
Objective To evaluate the status of tooth-missing and dental restorations of residents in Shanghai.
目的调查上海市普陀区、闸北区部分中老年居民牙齿缺失及修复的情况。
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