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牙齒變黑嘅因素有乜?

Posted By vickong pun     July 6, 2021    

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牙齒變黑嘅因素有乜?
牙齒變黃系比較常見嘅一種現象,但系都有小部分人出現牙齒發黑嘅症狀,咁牙齒變黑嘅因素系乜?



牙齒變黑嘅因素有乜?



牙齒變黑嘅因素有乜呢?



1、斑釉牙



呢種症狀也被稱為氟斑牙,系由飲用水中過量嘅氟化物引起嘅,當氟化物濃度超過百萬分之一嘅時候,會影響牙齒胚芽嘅鈣化過程,出現牙齒表面發黃、唔均勻、條狀缺損等,有斑點嘅氟斑牙齒通常喺五歲之前就會發生鈣化。



2、四環素牙



呢種情況嘅發生,一般系兒童經常使用四環素,佢與體內嘅鈣結合產生一種黃色嘅四環素鈣複合物,呢種複合物沉積喺牙冠上,就會導致牙齒變黑。



3、吸煙



喺平時嘅生活之中,大家可以仔細嘅觀察,一般牙齒牙齒發黑嘅朋友們,都有吸煙嘅跡象,原因系煙草中嘅黃色物質附著喺牙齒上,久而久之,就會造成牙齒發黑。



以上就系「牙齒變黑嘅因素有乜?」嘅具體介紹,希望對大家有所幫助。


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