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Table 3 Description and frequency of subjects with additional compounding factors

From: Evaluating the use of fluorescent imaging for the quantification of dental fluorosis

Confounding factor Number of subjects
TF0 TF1
Extrinsic stain 13 3
Enamel erosion 1 -
Translucent enamel 2 -
Enamel fractures 2 -
Missed demarcated opacity 3 7
Unknown 14 16
Total 35 26