Table 1 Results of comparing TFD scores for LAP images

Orthodontist

.54 ± .61^A

1.22 ± 1.08^AC

1.14 ± 1.03^AB

1.65 ± 1.13^AB

1.91 ± 1.38^AC

1.78 ± 1.26^A

1.82 ± 1.15^A

1.66 ± 1.17^AB

 < .001^β

Dentist

.48 ± .87^AB

1.61 ± 1.32^A

1.51 ± 1.47^A

2.05 ± 1.43^A

2.29 ± 1.41^A

1.80 ± 1.44^A

1.92 ± 1.46^A

2.06 ± 1.44^A

 < .001^β

Orthodontic Patient

.19 ± .35^B

.80 ± 1.26^B

.96 ± 1.19^B

1.17 ± 1.51^B

1.06 ± 1.44^B

.95 ± 1.22^B

1.07 ± 1.40^B

1.16 ± 1.36^B

 < .001^β

Lay persons

.34 ± .74^B

.94 ± 1.26^BC

.86 ± 1.17^B

1.17 ± 1.31^B

1.27 ± 1.52^BC

1.16 ± 1.42^B

1.24 ± 1.55^B

1.25 ± 1.58^B

 < .001^β

p

.001^α

 < .001^α

 < .001^α

 < .001^α

 < .001^α

 < .001^α

 < .001^α

 < .001^α

Total average

.38 ± .68

1.14 ± 1.26

1.11 ± 1.24

1.50 ± 1.39

1.63 ± 1.50

1.42 ± 1.37

1.51 ± 1.43

1.53 ± 1.42