From: Investigation of the value of a photographic tool to measure self-perception of enamel opacities
Set of photographs selected by examiner | Set of photographs selected by volunteers | Total | ||
---|---|---|---|---|
TF = 0 | TF = 1 - 2 | TF = 2 - 3 | ||
TF = 0 | 1,083 | 259 | 131 | 1,473 |
TF = 1 - 2 | 227 | 75 | 54 | 356 |
TF = 2 - 3 | 26 | 28 | 30 | 84 |
Total | 1,336 | 362 | 215 | 1,913 |