先天性肾上腺皮质增生症 二、牙齿的发育(dental development) 乳牙:生后4~10 月开始萌牙,最晚2.5 岁出齐,2 岁以内乳牙数目=月龄 - 4~6 恒牙: 6 岁左右开始萌出第一颗恒牙(第一磨牙) ...
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Development of the dental organ 牙齿器官的发育
Objective: To study the pattern of dental development and tooth age.
目的:研究儿童牙齿发育的规律及牙龄。
The dentinogenesis and mineralization are the most important parts of the tooth development and dental pulp repair after injury.
牙本质形成和矿化是牙齿发育和牙齿损伤修复过程中的重要组成部分。
The development of the upper dental arch was earlier, but the down dental arch faster.
上牙弓发育较早,但下牙弓发育速度快于上牙弓。
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