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.

嬰兒出生時，恒牙的牙胚就已在乳牙之下亚州欧美一级性交，除第一磨牙（即6齡牙）在新生兒時期已開始鈣化外欧美性爱视频怡红院，一部分恒牙的鈣化是在嬰兒期進行的亚洲成年人免费网站一区二区三区，因此日本e视频在线播放，嬰兒期不僅要保護好乳牙AⅤ激情网，還要為獲得一副健美的恒牙奠定基礎。

The position of osteotomy lies between the 3rd deciduous premolar tooth and 1st permanent molar.

實驗采用14只西安本地雜種犬為研究對象黄片一级免费观看，犬齡6-8個月超碰在线8888。

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.

因為胎兒頜面部的生長發(fā)育早在胚胎發(fā)育的第三周就開始了黄色视频免费网上站，乳牙的牙胚在懷孕的第二個月便開始形成。

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

過早失去乳牙或牙齒往往可以摧毀完整的正常咬合日韩交换精品一区二区。

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.

現(xiàn)在回想起來黄色在线操，我覺得是劉莉珍藏的女兒的臍帶乳牙那份細微具體和胡明的堅強驕傲緊緊抓住了我。

deciduous tooth：乳齒,乳牙

spinning nozzle 紡絲頭, 噴絲口 | deciduous tooth 乳齒,乳牙 | MKWH Mega-Kilowatt-Hour 兆千瓦-小時

deciduous tooth：乳齒

deciduoma 蛻膜瘤 | deciduous tooth 乳齒 | deciduous tree 落葉樹

deciduous tooth：蛀牙

cheek tooth 臼齒 | deciduous tooth 蛀牙 | egg tooth 卵齒

submerged deciduous tooth：低位乳牙

出生后牙本質:postnatal dentin | 低位乳牙:submerged deciduous tooth | 破骨細胞:osteoclast

deciduous tooth retention：乳牙滯留

deciduous teeth ==> 乳齒,乳牙,暫牙,蛻齒 | deciduous tooth retention ==> 乳牙滯留 | deciduous tree ==> 落葉樹