Methods: Eighty extracted teeth received one of four post systems of stainless steel threads post, titian post, quartz fiber post, and glass fiber post, and then were restored with crowns.是什么意思_Methods: Eighty extracted teeth received one of four post systems of stainless steel threads post, titian post, quartz fiber post, and glass fiber post, and then were restored with crowns.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句