你即將離開本站

並前往https://www.healthline.com/health/deciduous-teeth

Deciduous Teeth - Also Known as Primary or Baby Teeth

There are typically 20 primary teeth — 10 upper and 10 lower. Commonly, most of them erupt by the time the child is about 2½ years old.

確定！ 回上一頁

查詢 「Milk teeth number」的人也找了：

  1. milk teeth中文
    2.
  2. Milk teeth and permanent teeth
    3.
  3. tooth eruption中文
    4.
  4. Teeth number
    5.
  5. Deciduous teeth eruption age
    6.
  6. Delayed eruption of primary teeth
    7.
  7. Why do we need teeth
    8.
  8. Front teeth
    9.