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修復牙冠選乜材料好?

Posted By vickong pun     July 13, 2021    

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修復牙冠選乜材料好?
很多朋友喺做牙冠時,會被醫生問到:選擇乜材料?與牙色一樣仲系唔一樣?咁作為患者,應該點選擇呢?修復牙冠選乜材料好呢?



簡單嚟講,做牙冠就系畀脆弱牙齒戴上保護套,可以將過大嘅咀噍壓力分散開,從而降低牙齒折裂嘅風險;牙冠還可以恢復天然牙嘅形態,減少食物嵌塞,保護牙齦健康。



修復牙冠選乜材料好?



製作牙冠嘅材料大體上分為三類:金屬冠、金屬烤瓷冠和全瓷冠。金屬冠與牙顏色唔一樣,金屬烤瓷冠和全瓷冠與牙顏色一樣。



金屬冠,俗稱「大金牙」,有兩種顏色:不銹鋼色和淡金黃色,喺古代系權利和地位嘅象徵,而對於現代人嚟講土豪金就太唔美觀了。目前主要用於對美觀要求唔高嘅後牙冠。



金屬烤瓷冠,顧名思義,牙冠系由瓷和金屬兩部分構成,外形顏色近似天然牙,內層系金屬基底,外層覆蓋一層瓷。缺點系金屬與瓷嘅結合欠佳,常導致瓷層嘅剝脫,俗稱「崩瓷」。崩瓷嘅牙冠唔可以繼續使用,需要全部拆除重新做。



全瓷冠,指嘅系全部由瓷材料製作嘅牙冠,唔含金屬。其特點系顏色逼真,色水穩定,美學效果優於金屬烤瓷冠,唔易崩瓷,長久使用後也唔會出現牙齦邊緣著色等問題,系目前應用較為廣泛嘅牙冠材料。



以上就系「修復牙冠選乜材料好?」嘅具體介紹,希望對大家有所幫助。

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