Additional files 2: of Validity assessment of quantitative light-induced fluorescence-digital (QLF-D) for the dental plaque scoring system: a cross-sectional study
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Study questionnaire in Korean and English, respectively. Self-reporting questionnaire was written by the participants, and included the following contents: sex, age, occupation, existence of systemic disease, use of toothbrush and other oral hygiene products, periodic scaling, and smoking status. (ZIP 26 kb)
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figshare创建时间：
2018-11-21
