美國牙醫協會和FDA認為安全，許多牙醫和環保者認為致病致癌。新補牙最好用新材料。有牙醫鼓動去銀換新，掙錢，但牙保不付帳

來源: fuz 於 2018-05-30 17:41:43 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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