How can I stop my roommate from grinding his teeth? It really drives me crazy. I am not asleep!
怎样才能让我的室友不再磨牙？我简直要疯了，我根本睡不着！

If you really hate buck teeth, get braces.
如果你确实讨厌你的龅牙，那带牙套吧。

When did you have your teeth cleaned last time?
你上次洗牙是什么时候？

Do you floss every day?
你每天用牙线吗？

My gum has been bleeding a lot lately.
我的牙龈最近总出血。

How much does it cost to fill a cavity? My tooth is killing me and I don't have insurance.
补个牙得多少钱？我牙疼得受不了了，我没上保险。

My wisdom teeth hurt! What should I do to stop the pain? I have sucked on an ice cube and it didn't work.
我长智齿了，好疼！有什么办法可以镇痛？我刚含了一个冰块，不管用。

I just put glue on my Grandma's false teeth. Haha！
我刚在我奶奶的假牙上涂了胶水，哈哈！

How can I pull out my tooth with one side loose and the other side stubbornly stuck on?
我有一个牙的一边松了，另一边长得还挺牢的，我怎样才能把它拔出来呢？

Gap-toothed models are dominating the fashion world lately.
最近，牙齿有缝的模特在时尚界特别走俏。