牙齿每一面都要清洁到，包括牙齿外面、里面和咀嚼面，别忘了刷难以够到的后槽牙和包括填充物和牙冠在内的修复牙体周围。
Brush all surfaces of the teeth, including the outer, inner and chewing surfaces as well as the hard-to-reach back teeth and areas around fillings, crowns or other restorations.
牙齿组织工程学，是将组织工程学的原理和技术应用于牙体牙髓损伤修复和牙齿再生的研究。
The mechanism and technology of tissue engineering were introduced into the study on repairing of injured pulp and hard tissues, and regeneration of a tooth.
观察夹心板修复体恢复牙齿形态功能与维护牙龈健康的效果。
Objective: to investigate effect of sandwich restoration on repairing tooth deface and preserving the gingival.
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