| 1. | The enamel of his teeth is very white 他牙齿的珐琅质很白。 |
| 2. | The enamel of her teeth is very white 她牙齿的珐琅质很白。 |
| 3. | Instead of a whiny turbine drill , he uses a flash of laser light to blast away dentin and enamel 他用的是一道激光而不是烦人的涡轮钻来清除象牙质和牙齿的珐琅质。 |
| 4. | Contains fluoride to strengthen tooth enamel and reduce the risk of cavities caused by acidic food 含氟配方,能强化牙齿珐琅质,有效降低口中因酸性物质引致蛀牙的机会。 |
| 5. | Fluoride is a naturally occurring mineral that helps to safely strengthen tooth enamel and prevents cavities 氟是一种自然存在的矿物质,能安全有效地巩固珐琅质,防止蛀牙。 |
| 6. | Glister toothpaste with sylodent provides optimum abrasiveness for effective stain removal and enamel - safe polishing 含有sylodent亮洁粒子的健齿氟素牙膏能有效彻底去除牙垢而不损珐琅质。 |
| 7. | In just one hour , plaque bacteria will start converting sugar and starch particles into harmful acids that attack the tooth enamel 短短一小时,已足够让牙垢膜细菌把糖份及淀粉质转化为有害的酸性物质,侵蚀珐琅质。 |
| 8. | Thirty weeks later two - millimeter - wide molar crowns emerged , complete with pulp chambers , root tips and bonelike layers of dentin and , in a first , enamel 30周后,冒出了两公厘宽的臼齿牙冠,具有牙髓腔、牙根的根尖、一层如骨骼般的象牙质,以及最基本的珐琅质。 |
| 9. | Contains sylodenttm , an enamel - safe polishing agent that cleans your teeth and helps eliminate stains , including coffee , tea and tobacco . whitens teeth without bleaching 采用优质的sylodenttm亮洁粒子,以细致的研磨颗粒,有效去除牙菌膜及由咖啡、茶及香烟等所引起的牙垢膜而不损珐琅质,让牙齿洁白怡人。 |
| 10. | The flexible neck reduces pressure during brushing , preventing gum damage or excessive wearing of teeth . a 46 % thinner head allows easy access to hard - to - reach areas , making for more effective cleaning 弹性刷头,能吸收刷牙时的过大压力,避免磨损牙肉及珐琅质。刷头比以往薄46 % ,更易深入口腔内的难刷部位,全面清洁每一只牙齿。 |