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Table 1 Agreement between assessments using Polarized White Light (PWL) and standard White Light (WL) images for dental fluorosis evaluated with linear weighted Kappa’s

From: Quantitative Light Fluorescence (QLF) and Polarized White Light (PWL) assessments of dental fluorosis in an epidemiological setting

  Examiner 1 & Examiner 2 Examiner 3 & Examiner 4
A B A B
PWL 0.7298 0.7381 0.6100 0.5991
WL (35 mm) 0.6887 0.7355 0.5489 0.4970
  1. A = Most common severe tooth scored (mode) B = Most severe tooth scored
  2. Different examiners using same test.