1.
Not now. But you do need to have scaling and deep cleaning.
现在还不需要，但你的确需要清除牙结石和深部洗牙。
2.
The Study on Radiation Property of Photosensitizer and Diagnosis for Calculus;
光敏剂的辐射性质和牙结石的荧光诊断技术研究
3.
SEM observation and FTIR analysis of canine dental salivary calculus
犬龈上牙结石的傅立叶红外光谱分析和扫描电镜观察
4.
The evidence of self-replicating Nanobacteria in dental calculus and their role in dental calculus formation
对纳米细菌在牙结石形成过程中的作用的初步研究
5.
A concretion of mineral salts and organic matter deposited on the surface of the teeth.
牙石牙齿表面结晶形成的盐类矿物和有机物质的混合固体
6.
Analysis of Reinforce Dental Feldspathic Porcelain by Different Sintering Methods;
不同烧结工艺对牙科钾长石陶瓷增强的研究
7.
The shape of this article is between the ivory Zhang and stone dagger-axe.
笔者认为这种器物应可以说是石戈和“牙璋”产生蜕变现象的结果。
8.
Hispanica De Petroleos Sa
西班牙石油能源公司
9.
a limestone promontory at the southern tip of Spain; controlled by Britain; strategically important because it can control the entrance of ships into the Mediterranean.
西班牙南端的石灰石地形的海峡。
10.
vesical calculus
【医】膀胱(结)石
11.
The vertical Interaction Model of cone Bit Teeth-rock
牙轮钻头牙齿与岩石垂向互作用仿真模型
12.
Conclusion It is necessary to treat lateral incisor cross-bite early.
结论 侧切牙反牙合宜早期进行矫治
13.
A marine food and game fish(Cynoscion regalis)of North American Atlantic waters.
犬牙石首鱼北美大西洋水域产的一种食用海鱼和垂钓用鱼（犬牙石首鱼犬牙石首鱼属）
14.
Areas of subgingival calculus were selected from 6 freshly extracted human teeth with periodontal disease.
选取6颗新近拔除的有明显龈下牙石的牙周病患牙。
15.
Hartz? DENTAL? Chew' n Clean? are patented balls that help clean your dog's teeth and gums, removing harmful tartar.
专业兽医研制，帮助清洁狗狗的牙齿和牙龈，去除有害牙石。
16.
Within 24 hours, plaque can harden to form tartar, which can only be removed by a professional.
24小时内，牙垢膜便会硬化，形成牙石，必需由牙医清除。
17.
sign off early to go to the dentist
提前结束工作去看牙.
18.
The Hungarian incident was the consequence.
结果出了个匈牙利事件。