查询词典 decayed teeth

Then, in 1979, a well-designed study by pediatrician and psychiatrist Herbert Needleman resolved the dispute by establishing a direct correlation between the lead content of a child's teeth and bad classroom behavior. Twelve years later follow-up studies on these children found that those who had the highest lead levels in their teeth as children continued to have school problems through their last year of high school including more school failures, reading disabilities, and lower class standing.

到1979 年，由儿科医生兼精神病学家赫伯特·内德勒曼设计的一个著名实验证明不良的学习成绩与儿童牙齿中的铅含量直接相关，从而为争议下了定论12 年后对这些人的后续研究表明，当年牙齿中含铅量最高的孩子在中学毕业前一直存在学习上的问题，包括考试不合格、阅读障碍和班级排名靠后。

Little girls always display their beautiful cloth to their fellow. Little boys always show their particular toys to their buddy. New-rich knocks out all his teeth, and replace them with gold teeth.

小女孩向同伴炫耀自己漂亮的衣服，小男孩向同伴炫耀自己独有的玩具；暴发户把满嘴白牙磕掉换上金牙，这更是炫耀。

If you wish to have your teeth cavity-free and white-teeth smile nonfat yogurt should be included in your diet.

如果你想牙齿防蛀和笑容洁白，那就应该养成喝脱脂酸奶的习惯。

If you wish to have your teeth cavity-free and white-teeth ile nonfat yogurt should be included in your diet.

如果你想避免蛀牙，并想展露洁白牙齿的笑容，那你就该把脱脂酸奶加入菜单之中。

If you wish tohave your teeth cavity-free and white-teeth smile nonfat yogurt should be included in your diet.

如果你想避免蛀牙，并想展露洁白牙齿的笑容，那你就该把脱脂酸奶加入菜单之中。

And you have good occlusion, if you turn to the side, we can see that your top teeth just slightly overhang your bottom teeth...

你的咬合非常好，如何你偏过头，我们就能看到你的上排牙齿略微悬挂在你的下排牙齿上。。。

If the child's permanent teeth after injuries, tooth injuries completely fell down, if not handled properly at this time would lead to life-long missing and should therefore be calm, back off the teeth.

如果宝宝的恒牙受伤后，受伤的牙齿完全掉了下来，这时如果处理不当便会导致终身缺牙，因此应当保持平静，找回脱落的牙齿。

As the permanent tooth germ in the jaw with growth, development and direction to the dental occlusal surface of the mobile, so that the roots of deciduous teeth being absorbed, the gradual loosening of deciduous teeth, and finally resulted in loss.

由于恒牙牙胚在颌骨内的生长、发育及向牙齿咬合面方向的移动，使乳牙根部组织被吸收，乳牙逐渐松动，最后造成脱落。

Mao Ling Duan said that although the human body can be from day-to-day diet to fluoride intake, and intake hard enough, the development of early childhood tooth growth will be affected, so early childhood development in the permanent tooth germ plus if the participation of fluoride Heng Calcified teeth, the permanent teeth grow in the future will be more acid-resistant.

段茂玲表示，人体虽可自日常饮食中摄取到氟，却难足量摄取，对发育中的幼儿牙齿生长会有影响，所以，幼儿发育中的恒牙牙胚若有外加的氟化物参与恒牙钙化，未来生长出来的恒牙会更耐酸。

These gears are manufactured with widths of their teeth (as measured along the pitch circle) such that when two such gears are installed with a center distance consistent with their standard pitch diameters, the teeth of the two gears will mesh "well".

生产齿轮的时候要根据齿的宽度，这样当两个齿轮装配成中心距离与分度圆直径相吻合的时候，两个齿轮的齿就可以正确啮合。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。