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為什麼牙面上的窩溝易患齲？

Posted By vickong pun     July 8, 2021    

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為什麼牙面上的窩溝易患齲？


    　　



    為什麼牙面上的窩溝易患齲？



    為什麼牙面上的窩溝易患齲？窩溝是牙釉質發育結構上的缺陷。後牙的面、頰面、舌面多見。

    

    窩溝的形態複雜、深淺不一，在溝底常有鈣化程度低的釉板存在，缺乏自潔作用，在咀嚼壓力作用下，食物殘屑被壓入窩溝中。

    用刷牙、漱口等辦法也難使窩溝完全清潔，因而容易發生齲病。

    

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