But dentists said some of the methods can erode the enamel covering of the teeth making them appear darker rather than whiter.
但牙医提醒说，有些方法可能会损伤覆盖在牙齿上的牙釉质，反而让牙齿显得更黑。
It is worthwhile making an effort to keep you own teeth as long as possible.
以为了让自己的牙齿尽可能地长长而努力是值得的。
It is worthwhile making an effort to keep your own teeth as long as possible.
以为了让自己的牙齿尽可能地长长而努力是值得的。
If you do daily "self-control exercises", such as making your bed or brushing your teeth, you'll improve your overall willpower.
如果你每天都做“自制练习”，比如整理床铺或刷牙，你的整体意志力就会得到提高。
The problem, however, is that this bad habit can erode dental work, damaging your teeth and making them more susceptible to cavities.
可是问题在于，这个坏习惯会侵蚀牙齿本身，损坏你的牙齿并使它们对龋齿更加敏感。
Wang Na was born with no upper jaw bone or teeth, making eating and speaking very difficult.
王娜天生就没有上颌骨和牙齿，这使得她吃东西和讲话都很吃力。
People can even get a computer by which to control the contraption, making the teeth change colors or even blink.
人们还可通过电脑远程控制该装置，使得牙齿变色甚至不断闪烁。
Older dental bonds would only reflect light, making teeth appear shiny and fake.
老式的物料可能仅仅反射光线，让牙齿看起来显得贼亮可是显得很假。
Both its mouth and tongue are lined with small, sharp teeth, preventing the prey from making a getaway.
它的嘴和舌头上都排列着小而尖的牙齿，以防止猎物逃跑。
You're making a mountain out of a molehill if you think that one twinge of toothache means that you must have several teeth extracted.
如果你认为一次牙痛就意味着要拨去数颗牙的话，那你把问题看得太严重了。
You can do this anytime, anywhere: On the drive home, as you're making the kids' lunches, when you brush your teeth before bed.
你随时随地都可以做到。开车回家的路上，给孩子做午餐的时候，就寝前刷牙的时候，你都可以想象。
The human jaw shrank even faster, making wisdom teeth largely useless and creating the overcrowding that people face today.
然 而，人类下巴的缩小幅度更大，让智齿几乎变得没有用处，反而让现代人的脸部显得有些拥挤。
We've all succeeded in making changes that are now ingrained in our lifestyles - learning to brush our teeth, for example.
我们已经成功的改变了我们现实生活中那些固有的习惯—如，学会了刷牙。
The faster the pulse repetition rate, the wider the spacing between the teeth, making each individual tooth easier to identify.
脉冲重复率越高，齿间距越大，各个齿之间也越容易分辨。
Making teeth model is like engrave a seal, using the technique of both intaglio and rilievi; so that the model can reflect someone's teeth accurately.
（取模需要的材料如上）口腔取模通过先阴后阳如印章般可以较为准确地表现出一个人的牙齿形态。
The study of tooth regeneration is an interesting topic for domestic and abroad scholars. Making bioengineered teeth is always a hotspot in dental researches.
牙齿再生的研究是国内外学者们十分关注的课题，构建有生物活性的组织工程化牙齿一直是该项研究的热点。
Activities such as laying out your pyjamas, making your lunch for the next day and even brushing your teeth can become sleep-conducive once they are incorporated into a routine.
比如你可以把睡衣摊开、做第二天的午饭、甚至刷牙，一旦养成，它们会帮助你产生睡意。
Not only do they have a sharpened peg of a tooth but their teeth narrow down to a razor sharp edge at the back making the tigers bite much more lethal.
它们不仅仅有锋利的三角状牙齿，而且背面向下逐渐收缩成剃刀一样锋利，这使得老虎的咬更加致命。
PROBLEMS: Sometimes wisdom teeth don't erupt through the gums properly and a gum flap extends over the stuck underneath this flap, making the area inflamed.
智齿常常不会“规矩”的顺着牙龈长出，而是在牙冠的一侧冒出一瓣牙龈。而“躲藏”在牙肉空隙之内细菌往往会造成这一区块出现红肿的现象。
Interval optimization method is convenient for making the products series. The problem of the number of gear teeth matching in drive train was solved.
区间优化方法便于产品的系列化，可以解决传动系齿轮配齿问题。
This is a soft nickel-based alloy used for making dental crown and bridge. Since is relatively soft, it can reduce wear of paired jaw teeth. Its processing is easy.
这是一种镍基软质合金，用于铸造冠、桥，因合金质软所以减轻对颌牙磨损，易操作。
This is a soft nickel-based alloy used for making dental crown and bridge. Since the alloy is relatively soft, it can reduce wear of paired jaw teeth. Its processing is easy.
这是一种镍基软质合金，用于铸造冠、桥，因合金质软所以减轻对颌牙磨损，易操作。
By making slight changes the programme can be used for different shapes of teeth on spline hobs.
程序稍加改进，还可用于不同齿形的花键滚刀。
The study of tooth regeneration is an interesting topic for domestic and abroad scholars, and making bioengineered teeth is always a hotspot in dental researches.
牙齿再生的研究是国内外学者们十分关注的课题，构建有生物活性的组织工程化牙齿一直是该项研究的热点所在。
When you become a manager, you need to put teeth in(into) the decision-making process.
当你是总经理时，你对决定事物，必须以肯定语气表达，才能有效实施。
Raymond likes to do everything fast–from brushing his teeth to going to school to making new friends.
刷牙、上学、结交新朋友，雷蒙德做任何事情都相当地神速。
Abstract: Objective to explore the clinical efficacy of making union crown restoration with adjacent tooth after hemisection to repair and retain molar teeth.
摘要目的探讨牙半切除术后与邻牙联冠修复保留磨牙的临床疗效。
Abstract: Objective to explore the clinical efficacy of making union crown restoration with adjacent tooth after hemisection to repair and retain molar teeth.
摘要目的探讨牙半切除术后与邻牙联冠修复保留磨牙的临床疗效。
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