You've certainly got good teeth for your age.

您这么大年纪，牙口可不错呀！

youdao

You need to brush your teeth after eating to have good teeth.

为了牙齿好，吃东西后你需要刷牙。

youdao

She had a nice smile. Good teeth.

笑得很美，露出一口洁白整齐的牙齿。

youdao

She is very badly whipped but has good teeth."

她虽然被鞭打的很严重,但是牙齿却很好"

耶鲁公开课 - 美国内战与重建课程节选

Ads in newspapers, like this one in Charleston, would read, "Negroes wanted. I am paying the highest cash prices for young and likely Negroes, those having good front teeth and being otherwise sound."

报纸上的广告,比如查尔斯顿市的这一则,是这么写的,"诚购黑奴,本人愿付最高价格,购买年轻可靠之黑奴,需有整洁的牙齿以及悦耳的声音"

耶鲁公开课 - 美国内战与重建课程节选

Dentists quizzed said they were still not being given enough time to do preventative work - under the terms of the deal there workload is supposed to be be cut by 5% to enable them to spend more time advising patients about good teeth care.

BBC: NEWS | Health | Care fears over dentist reforms

The next day I felt pretty good and my teeth no longer throbbed when I breathed through my mouth.

NPR: 'Guys Read:' Encouraging Boys to Love Books

Leigh Greenwood, of the British Dental Health Foundation, said people should not think that drinking red wine was good for their teeth.

BBC: NEWS | Health | Wine 'can help treat gum disease'