方法采用DD探测29例患者牙洁治前后颊、舌面的荧光值，分析不同的色斑计分等级对DD探测龋齿时的影响程度。
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.
方法采用DD探测29例患者牙洁治前后颊、舌面的荧光值，分析不同的色斑计分等级对DD探测龋齿时的影响程度。
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.
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