Methods We collected 29 patients who wanted to do scaling,and examined the buccal or lingual surface of their posterior teeth with DD before and after scaling.是什么意思_Methods We collected 29 patients who wanted to do scaling,and examined the buccal or lingual surface of their posterior teeth with DD before and after scaling.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句