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Purpose: In order to get the current distribution range and distribution characteristics of Chinese Han population healthy anterior gingival color chroma values,the gingival color value of healthy Han people and the effects of gender、age、region and areas on it were investigated.Methods: 400 healthy Han people were chosen from 5 major cities(Beijin Shanghai,Guang zhou,Henan,Xian),and chroma value of their arterial gingival color were measured and analyzed with MINOLTA CR-321 clorimeter.