来自PIE *sker, 砍，切，词源同caret,shear. 即缺了一块的牙齿。

1. Meanwhile, the anti - plaque actives, anti - caries actives and anti - tartar actives are also researched.

同时对抗牙斑活性物 、 抗 龋活性物及 抗 积石活性物进行了研究.

2. Objective To observe the curative effect of senile caries treated with FX.

目的观察FX玻璃 离子水门汀对老年龋病的治疗效果.

3. Caries are chronic infectious diseases and the consequence of oral ecologic disequilibrium.

龋病是慢性感染性疾病,是口腔生态平衡失调的结果.

4. Results Fluoridated milk had significant effects of remineralization , anti - demineralization and anti - caries.

利用偏光显微镜观察氟化牛奶和氟水的抗酸脱矿作用及 抗 龋作用.

5. Dental decay, also known as dental caries, begins first inside the tooth.

牙齿腐坏, 就是龋齿, 首先会减弱牙齿内的保护.