Is safe for teeth and gums, does not impede breathing. Non-toxic.
对于牙齿和牙龈的安全，不妨碍呼吸。无毒。
Few animals feed on them today because they contain a lot of hard silicate which is bad for teeth.
今天很少有动物去吃这种植物，因为这种植物含有很多硬硅酸盐类物质，这种物质对牙齿很不好。
Conclusion: FCHA polishing Compound has local desensitization for teeth in addition to polishing effectiveness.
结论：FCHA新型抛光膏除有抛光效果外，还具有局部脱敏作用。
Conclusion All-ceramic onlay is an ideal and reliable restoration method for teeth body restoration and protection.
结论全铸瓷高嵌体是后牙牙体缺损、牙体折断的可靠修复方法。
If you study dental hygiene, you'll learn how to care for teeth and gums and how to educate others about oral hygiene.
口腔卫生专业学习如何护理牙齿和牙龈，以及教别人相关口腔卫生的知识。
Her parents aren't very happy because she hardly ever helps with housework and she never goes to the dentist for teeth cleaning.
她的父母很不高兴因为她几乎从不帮助做家务，并且她从不为清洁牙齿去看牙医。
Low concentrations are good for teeth, but excessive concentrations can lead to debilitating disease, such as skeletal fluorosis, which has devastated some communities.
低浓度对牙齿有益，但浓度过高则可能导致使人衰弱的疾病，比如氟骨症，一些社区因此而成为一片废墟。
For teeth that cannot be treated with orthograde root canal therapy, or for which it has failed, retrograde root filling, which seals the root canal from the root apex, is a good alternative.
对于不能用矫正根管治疗或用次治疗失败的牙齿，根尖倒充填(其将根管从根尖密封)是个良好的替代方案。
They took a plaster cast of the teeth for identification purposes.
他们做了这副牙的石膏模型作鉴别之用。
For a long time, we assumed that all whales that had teeth including sperm whales and killer whales were closely related to one another.
在很长一段时间里，我们认为所有有牙齿的鲸鱼，包括抹香鲸和虎鲸，彼此都是密切相关的。
If they're producing Coca-Cola and you have any kind of concern for your teeth, maybe you shouldn't produce so much anyway.
如果他们生产可口可乐，而你对你的牙齿有任何担心，也许你不应该生产这么多。
Chewing gum, once bought primarily by adolescent boys, is now featured in commercials as a breath freshener and teeth cleanser for use after a meal.
曾经主要由青少年购买的口香糖，现在在广告中被用作饭后的口气清新剂和牙齿清洁剂。
We've been struggling for years and it's a real kick in the teeth to see a new band make it ahead of us.
我们一直奋斗了很多年，看到一个新乐队在我们之前成功，这对我们是个重大打击。
Faustick has cleaned his teeth after every meal for thirteen years and has not had a single decayed tooth.
福斯蒂克已经连续13年每顿饭后都刷牙，一颗蛀牙也没有过。
Sloth bears also have relatively large canine teeth, which appear to be more functional for fighting than for foraging.
树懒熊也有相对较大的犬齿，它们似乎更适合战斗而不是觅食。
It's good for you to brush your teeth twice a day.
一天刷两次牙对你有好处。
I had the bushy hair, chipmunk face, and big teeth going on, which wasn't a great look for me.
我留着浓密长发，脸上有雀斑，还在换牙，这看起来的确不怎么好看。
For weeks my gums, teeth, jaw and sinuses throbbed.
好几周我的牙龈、牙齿、下巴、鼻窦阵痛不止。
Why am I supposed to tip the barber for cutting my hair but not the dentist for fixing my teeth?
为什么我应该给为我理发的理发师小费，而不必给为我修牙的牙医小费？
The breakthrough was made on mice but could pave the way for those who lose teeth to decay or injury being able to "grow" replacements.
虽然这项技术首先在老鼠身上取得突破性进展，但是仍可以为那些因食物腐蚀或受创而失去牙齿的人获得“长出”替代物的机会铺平道路。
Overall, C-14 analyses gave superior age-at-birth dates, but only for people whose teeth erupted after the bomb blasts, meaning individuals about 60 and younger.
总体而言，碳14分析技术提供了卓越的出生年龄数据，但仅限于核弹爆炸后长牙的人们，也就是60岁左右及更年轻的个体。
Our bodies simply aren't designed for 100 years' hard use; most people's teeth barely manage 40.
我们的身体不能承受100年艰苦而又沉重的运转；大多数人的牙齿几乎只能用40年。
Baby carrots: Fresh, crunchy vegetables are good for your dog's teeth, says Lauten.
小胡萝卜：Lauten说：新鲜清脆的蔬菜对狗狗的牙齿有好处。
In the Solomon Islands, dolphins are regularly killed for their meat and their teeth, which are used decoratively.
在所罗门群岛，规律性的杀死海豚，为了得到他们的肉和牙齿做装饰用。
Luckily for her, there is a good amount of material for historians to get their teeth into and she has taken full advantage of it.
幸运的是，对于历史学家来说，有着大量的材料可以尽力地去帮助他们，而且她已注意到要充分利用这一点。
The shower is the trigger for brushing your teeth, and because of that, you never forget to brush your teeth.
洗澡便是促使你刷牙的触发事件，正是因为它，你永远不会忘记刷牙。
Aside from masking the smell, it is also better for us to do regular teeth brushing in order to permanently remove the odor.
除了用另一种味道盖住蒜味，还有一种更好的选择，那就是经常刷牙。这样有助于永久去除蒜味。
Bite problems are often a cause of bruxism, and it's a good idea to check for damage to your teeth.
咀嚼问题常常是夜间磨牙症的一个原因，检查有没有牙齿损伤是个不错的方法。
In this study, researchers turned to the teeth for answers.
在这项研究中，研究者转而从牙齿上寻求答案。
In this study, researchers turned to the teeth for answers.
在这项研究中，研究者转而从牙齿上寻求答案。
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