teeth 牙齿专题 英语课上的duty report课件

1、beautiful teethtiny white teethToothHow to express these phrases in English ?蛀牙牙科诊所So .Make a detailed study about teeth.Lets go through it There are three sort teeth in our mouth. Different teeth do different jobs. Incisors (门牙) are for cutting. Canines (犬齿) are for tearing. Molars and pre-molars (

2、臼齿) grind up food until its small enough to swallow. Names of some teethIncisor 门牙Canine 犬齿Molar 臼齿Wisdom tooth 智齿Deciduous cuspid 乳尖牙The structure of a toothDental cuspDental crownCollum dentisTooth rootRoot apexRoot furcation However, we may get a toothache suddenly, especially in the late evening

3、?what should we do?Some tips of treating toothache holding some water in your mouth, and making an effort to gargle (漱口). slicing a piece of ginger , and biting it in the painful section with your teeth.vinegar 50 milliliter, joining boiled water 50 milliliter, and then holding it in your mouth and

4、gargling.going to the dentist immediately. come into being good eating and drink habits food contain calcium (钙)less snackschewing foodNo smoking visit dentists regularlyClean and polish your teethbrush / clean your teeth 刷牙get a toothache 牙疼decayed tooth 蛀牙department of stomatology 口腔科dental clinic

5、 牙科诊所dental technician 牙科技师Phrases about tooth cut your teeth on sth. to do sth. that gives you your first experience of a particular type of work. eg: She cut her teeth on local radio. set sbs teeth on edge to make sb. feel physically uncomfortable. eg: Just the sound of her voice sets my teeth on

6、edge. 从.中获得初步经验使感到身体不舒服 in the teeth of sth.1. in spite of problems, opposition, etc. eg: The new policy was adopted in the teeth of fierce criticism.2. in the direction that a strong wind is coming from. eg: They crossed the bay in the teeth of a howling gale.不管，不顾迎着（强风）cut a tooth (of a baby) 出牙，长出新牙get your teeth into sth. 专注于，全力投入have teeth (of an organization, a law etc.) 具有大威力，有杀伤力 I have just had a tooth out at the dentists.She answered through clenched t