\u7259\u91c9\u8cea\u767c\u80b2\u4e0d\u5168\u662f\u600e\u9ebd\u767c\u751f\u7684\uff1f
    • Última actualización 7 de julio de 2021
    • 0 comentarios, 201 vistas, 0 likes

More from vickong pun

  • \u6025\u6c42\uff1a\u5982\u679c\u60f3\u53bb\u6df1\u5733\u7a2e\u7259\uff0c\u53bb\u908a\u5ea6\u597d\uff1f
    1 comentario , 0 likes
  • \u7259\u9f52\u6f02\u767d\u5605\u6b65\u9a5f\u6709\u908aD\uff1f\uff08\u4e0b\uff09
    0 comentarios, 0 likes
  • \u96b1\u5f62\u7259\u5957\u77ef\u6b63\u539f\u7406\u7cfb\u4e5c\u554a\uff1f\u96b1\u5f62\u7259\u5957\u4ecb\u7d39\uff0c\u6084\u6084\u8b8a\u7f8e\u5514\u4fc2\u5922\uff01
    0 comentarios, 0 likes

More in Politics

  • Norton antivirus account login
    32 comentarios, 163.834 vistas
  • Liquidity Locking Made Easy
    14 comentarios, 87.639 vistas
  • USE VADODARA ESCORTS SERVICE TO REST YOUR BODY AND MIND
    0 comentarios, 69.370 vistas

Related Blogs

  • The Ultimate Guide to Choosing the Perfect 4-Piece Modular Sectional for Your Living Space
    0 comentarios, 0 likes
  • The Benefits of Off-Grid Solar Kits in Remote Industries
    0 comentarios, 0 likes
  • \u9433\u5c04\u5c0d\u53e3\u8154\u6f70\u760d\u6709\u7121\u6cbb\u7642\u4f5c\u7528\uff1f
    0 comentarios, 0 likes

Archivo

compartir social

牙釉質發育不全是怎麽發生的?

Publicado por vickong pun     7 de julio de 2021    

Cuerpo

  

牙釉質發育不全是怎麽發生的?

  牙釉質發育不全是怎麽發生的?嚴重背養障礙,維生素A、維生素C、維生素D及鈣磷的缺乏. 均可影響成釉細胞和成牙本質細胞的功能.造成釉質和牙本質形 成遲緩。內分泌失調引起的鈣磷代謝障礙,嬰兒和母體的疾病,如 水痘、猩紅熱、風疹、毒血症等,均可使成釉細胞發育障礙,嚴重的 消化不良也可成爲袖質發育不全的原因。另外,一些局部因素,如 乳牙根尖周嚴重感染或外傷,可影響繼承恒牙釉質發育不全。

  ?