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- After eating, people should use a toothbrush or other device to clean the teeth. 飯後，人們應該使用牙刷或其他設備清潔牙齒，
- Chewing sugar-free gum after meals helps cleanse the mouth and is helpful if it's not convenientor possible to clean the teeth. 飯後嚼上一塊口香糖,能夠幫助清潔口腔衛生,以及有助於牙齒的清潔。
- A substance, such as a paste or powder, for cleaning the teeth. 牙粉(膏)用於潔齒的物質，例如牙膏或牙粉
- Methods: To use the ultrasonic scaler,scaler,scraper and sand blast to clean the teeth,then to scan the samples with electronic microscope.Through polishing the teeth,to observe the recovery degree. 方法:應用超聲波潔牙機、手工潔治器、齦下刮治器、噴沙等潔牙方法對離體牙進行潔治,然後對其表面做掃描電鏡觀察,拋光后,再觀察其損傷恢復的程度。
- The combined fleet is armed to the teeth. 這支聯合艦隊全副武裝。
- The attention does not want the long-term use, do not rinse mouth the substitution to clean the teeth, the daily two time mechanicalness cleans the teeth is essential. 保健性漱口水一般口感比較舒適，它的主要作用是去除口臭，主要成分是口腔清新劑，類似口香糖的功能，無須特殊指導使用，使用人群也無限制。
- Thumb-sucking can cause protrusion of the teeth. 經常吮吸拇指能使牙齒向外突出。
- He didn't clean the room yesterday. 他昨天沒打掃房間。
- Clean the area round the cooker. 把炊具周圍弄乾凈。
- The students clean the classroom everyday in turn. 學生們每天輪流打掃教室。
- He maintained his stand in the teeth of public opinion. 他不顧公眾輿論的反對而堅持自己的立場。
- The teeth of one wheel engage with those of the other. 一隻輪子上的輪齒與另一隻的相嚙合。
- Did he clean the room yesterday? 他昨天打掃房間嗎？
- The new policy was adopted in the teeth of fierce criticism. 那項新政策儘管受到強烈抨擊卻硬是採用了。
- Please clean the window as I can hardly see out. 請把窗子弄乾凈，我幾乎看不到外面。
- The teeth of one wheel engaged with those of the other. 一隻輪子的齒與另一隻輪子的齒相齒合。
- Mary worked hard to clean up John's room, but all she got for her trouble was a kick in the teeth. 瑪麗辛辛苦苦把約翰的房間打掃乾淨，不料她所得到的卻是一番侮辱。
- He's getting a bit long in the tooth to be playing football. 他踢足球未免年齒過長了。
- She cleaned the dirt from her finger-nails. 她從指甲里剔掉污垢。
- Toothbrush maintenance and replacement: Each time cleans the teeth finished, will be supposed to brush the toothbrush cleaning on a dynasty to put in the cup, will put in ventilates . 牙刷的保養和更換：每次刷牙完畢，應將牙刷洗凈將刷頭朝上放入杯內，置於通風乾燥處。
