\u7259\u91c9\u8cea\u767c\u80b2\u4e0d\u5168\u662f\u600e\u9ebd\u767c\u751f\u7684\uff1f
    • Last updated July 7, 2021
    • 0 comments, 156 views, 0 likes

More from vickong pun

  • \u6025\u6c42\uff1a\u5982\u679c\u60f3\u53bb\u6df1\u5733\u7a2e\u7259\uff0c\u53bb\u908a\u5ea6\u597d\uff1f
    1 comment, 0 likes
  • \u7259\u9f52\u6f02\u767d\u5605\u6b65\u9a5f\u6709\u908aD\uff1f\uff08\u4e0b\uff09
    0 comments, 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 comments, 0 likes

More in Politics

  • Norton antivirus account login
    31 comments, 146,520 views
  • Liquidity Locking Made Easy
    10 comments, 83,456 views
  • Ang jili178 login ay nagdudulot sa iyo ng mga laro ng slot at karanasan sa laro ng soccer
    2 comments, 46,709 views

Related Blogs

  • \u5b9a\u671f\u6aa2\u67e5\uff0c\u662f\u5c0d\u7259\u9f52\u6700\u597d\u7684\u6295\u8cc7_0
    0 comments, 0 likes
  • \u6ce8\u610f\uff01\u9f72\u9f52\u4e0d\u53ca\u6642\u6cbb\u7642\uff0c\u9084\u5f88\u53ef\u80fd\u50b3\u67d3\u7d66\u5b69\u5b50\uff01
    0 comments, 0 likes
  • \u4e3a\u4ec0\u4e48\u6839\u7ba1\u6cbb\u7597\u540e\u533b\u751f\u4f1a\u5efa\u8bae\u6253\u6869\uff1f
    0 comments, 0 likes

Archives

Social Share

牙釉質發育不全是怎麽發生的?

Posted By vickong pun     July 7, 2021    

Body

  

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。

  ?