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修複牙齒缺損常用的牙冠有幾種？

Posted By vickong pun     July 10, 2021    

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修複牙齒缺損常用的牙冠有幾種？


    　　



    修複牙齒缺損常用的牙冠有幾種？



    　　修複牙齒缺損常用的牙冠有幾種？常用的牙冠有倫造冠和烤瓷冠。

    

    鑄造牙冠的使用壽命長.堅 硬結實，價格比較低廉;但鑄造牙冠的顔色是金屬的本色，不太符 合現代人的審美要求，所以通常不用于前牙，而主要用于後牙的修 複.烤瓷牙冠分爲兩層，外層采用與天然牙外形和顏色都極爲相 似的耐高溫陶瓷制作；內層采用與天然牙冷熱膨脹系數相似的金 屬制作。

    

    烤瓷牙表面光滑，色澤穩定，抗壓、耐磨.外形和天然牙很 相像，難分真假。

    

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