Fig. 2From: Validity assessment of quantitative light-induced fluorescence-digital (QLF-D) for the dental plaque scoring system: a cross-sectional studyPhotographs of plaque in the lingual (palatal) side of teeth by QLF-D scores. a, b, c Maxilla. d, e, f Mandible. a, d Plaque areas analyzed by software. b, e Under the blue light. c, f Application of disclosing solutionBack to article page