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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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