查询词典 deciduous tooth

Birth, the permanent teeth in the deciduous tooth germ had been under, with the exception of the first molar (ie, age 6 teeth) in the neonatal period has begun to calcification, the calcification of permanent teeth is carried out in infancy, Therefore, the infant not only to protect the deciduous teeth, but also in order to obtain a fit and lay the foundation for permanent teeth.

婴儿出生时，恒牙的牙胚就已在乳牙之下，除第一磨牙（即6龄牙）在新生儿时期已开始钙化外，一部分恒牙的钙化是在婴儿期进行的，因此，婴儿期不仅要保护好乳牙，还要为获得一副健美的恒牙奠定基础。

Because of fetal growth and development and maxillofacial region as early as the third week of embryonic development began, the deciduous tooth germ in the second month of pregnancy will be begun to take shape.

因为胎儿颌面部的生长发育早在胚胎发育的第三周就开始了，乳牙的牙胚在怀孕的第二个月便开始形成。

Premature loss of deciduous tooth or teeth can often destroy the integrity of normal occlusion.

过早失去乳牙或牙齿往往可以摧毁完整的正常咬合。

As I recalled, it was Liu Li's thoughtfulness in keeping her daughter's umbilical cord and deciduous tooth as well as her toughness and pride that moved me.

现在回想起来，我觉得是刘莉珍藏的女儿的脐带乳牙那份细微具体和胡明的坚强骄傲紧紧抓住了我。

As I recall now, it was Liu Li's detailed thoughtfulness in keeping her daughter's umbilical cord and deciduous tooth, as well as Hu Ming's toughness and pride that moved me.

现在回想起来，我觉得是刘莉珍藏的女儿的脐带乳牙那份细微具体和胡明的坚强骄傲紧紧抓住了我。

Weeks, dental plate as part of the rapid proliferation, the formation of upper and lower total of 20 deciduous tooth.

乳牙胚的发生始于胚胎第6周至第7周，牙板的一部分迅速增殖，形成上下颌共20个乳牙牙胚。

Mother told me that she keep such under the deciduous tooth because it was small and when you open the lid when viewing them would think of my childhood when the lively, happy look.

妈妈告诉wo，她收藏这些乳牙是因为这下乳牙小小旳，当打开盒盖观看它们的时候会想起我童年时活泼、快乐的样子。

Exfoliated human deciduous tooth contains multipotent stem cells in the pulp tisuue.

在即将脱落的乳牙牙髓组织中，存在多能力的干细胞。

In summary, we established a new model for investigating the functional reconstruction capability with dental pulp stem cells transplantation in vivo. We also revealed dental pulp stem cells from one deciduous tooth can be expanded in vitro which possibly can be utilized for teeth replacement therapy in the future.

总括来说，本研究建立了一个新的研究牙髓干细胞应用於牙齿再生治疗的模式，我们发现从乳牙中可以分离出牙髓干细胞，未来并可进一步应用来修复牙齿的缺损。

MA Liyang(The Northwest University For Nationalities, China): Analysis of Deciduous Tooth Caries in 421 5-year-old Tibetan Children in GanNan Tibetan Autonomy State

马力扬 (西北民族大学医学院，中国)：421名5岁藏族儿童乳牙龋病分析

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。