段牙

结论：冠段牙本质钙、磷含量高于颈根段。

Conclusion : The contents of Calcium and Phosphorus in the crown were higher than those in the neck and root .

【目的】探讨牙根尖周肉芽肿及慢性牙根尖周脓肿患牙体外充填处理后再植的临床效果，并比较不同年龄段和牙位对其治疗效果影响。

To explore the effect of periapical granuloma and abscess treated by vitro filling and replanting and to investigate the influence of efficacy by patient 's age and places of teeth .

叶状一段式钛牙种植体的外科植入及其临床应用

The preliminary clinical application of leafy titanium as one sectioned tooth-implant

生物活性陶瓷&钛复合体两段式种植牙的临床初步应用

The Preliminary Clinical Application of Bioactive Ceramic-Titanium Composite as Two Sectioned Tooth-Implant

或许你还需要给你的孩子刷上一段时间的牙。

Maybe just do it for her a bit longer ?

结果每一年龄段内，牙周附着丧失不同状态下妇女的骨密度在统计学上没有显著差异，但随着年龄增高，牙周附着丧失及缺失牙严重程度增加。

Results There was no obvious statistical significance of BMD between different status of periodontal attachment loss groups in the same age group , but the severe degree of periodontal attachment loss and teeth loss increased with advancing age .

一段式叶状钛牙种植体骨内种植的临床研究

A Clinic Research on One-stage Blade Dental Implant