题目内容

龋齿缺损的治疗方法是

A. 充填治疗
B. 自行修复
C. 药物涂擦
D. 离子导入

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楔状缺损最常见于牙齿的哪个部位

A. 咬合面
B. 前磨牙唇、颊颈部
C. 颊面窝沟
D. 舌侧

导致牙齿松动与脱落最主要的疾病是

A. 牙周病
B. 牙髓炎
C. 龋病
D. 根尖周炎

视诊时应首先检查的部位

A. 面部
B. 全口牙齿
C. 口腔黏膜
D. 舌苔

Complete the sentences with suitable expressions from the collocation box.Make changes where necessary. Sometimes more than one collocation is possible.1. _______ is the cleanest and most abundant renewable energy source in the world.2. With the help of technicians,_can be installed without damaging the roofs.3. A(n) is a group of consumers that show some level of interest in a market offer.4. The bicycle shop has by combining mail order and retail sales.5. ______ abroad is more difficult than developing new businesses.