Table 5 Results of comparing TFD scores for HAP images

Orthodontist

.54 ± .70^A

1.54 ± 1.12^A

1.36 ± 1.16^A

1.50 ± 1.12^AB

1.79 ± 1.33^AC

1.76 ± 1.27^AB

1.73 ± 1.18^AB

1.74 ± 1.24^AB

 < .001^β

Dentist

.58 ± .80^A

1.79 ± 1.42^A

1.33 ± 1.17^A

1.89 ± 1.31^A

2.22 ± 1.48^A

2.20 ± 1.42^A

2.27 ± 1.51^A

1.98 ± 1.42^A

 < .001^β

Orthodontic Patient

.30 ± .66^A

.98 ± 1.46^B

.66 ± .96^B

1.12 ± 1.48^B

1.34 ± 1.44^BC

1.36 ± 1.51^B

1.29 ± 1.51^B

1.20 ± 1.50^B

 < .001^β

Lay persons

.27 ± .53^A

.95 ± 1.45^B

.88 ± 1.21^AB

1.10 ± 1.34^B

1.18 ± 1.35^B

1.32 ± 1.52^B

1.19 ± 1.27^B

1.07 ± 1.39^B

 < .001^β

p value

.005^α

 < .001^α

 < .001^α

.001^α

.001^α

.001^α

 < .001^α

 < .001^α

Total average

.42 ± .68

1.31 ± 1.40

1.05 ± 1.15

1.40 ± 1.34

1.63 ± 1.44

1.66 ± 1.46

1.62 ± 1.43

1.49 ± 1.43