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. 2019 Jun 17;20:23. doi: 10.1186/s40510-019-0276-y

Table 1.

Error assessment results

Parameter Valid (n) Mean Minimum Maximum Range SD
WSL on the maxillary tooth
L 3 78.54 78.44 78.64 0.20 0.068
a 3 0.86 0.47 1.25 0.78 0.258
b 3 18.33 18.12 18.54 0.42 0.149
WSL on the mandibular tooth
L 3 74.45 74.37 74.53 0.16 0.048
a 3 0.92 0.52 1.32 0.80 0.293
b 3 16.69 16.48 16.90 0.42 0.131

WSL white spot lesions, L lightness, a red-green axis, b yellow-blue axis