Trueness and Precision of Three-Dimensional Digitizing Intraoral Devices
Table 4
The results of one-way ANOVA between all groups in comparison with the true value for implants and interarch distances.
ANOVA
Sum of squares
df
Mean square
F
Sig.
Implant 1 X
0.062
4
0.016
1.614
0.175
Implant 1 Y
0.206
4
0.051
28.215
0.000
Implant 1 Z
0.088
4
0.022
19.774
0.000
Implant 2 X
0.086
4
0.021
2.654
0.037
Implant 2 Y
0.294
4
0.074
25.429
0.000
Implant 2 Z
0.122
4
0.030
46.979
0.000
Implant 3 X
0.104
4
0.026
3.057
0.020
Implant 3 Y
0.404
4
0.101
32.890
0.000
Implant 3 Z
0.030
4
0.008
14.418
0.000
Implant 4 X
0.053
4
0.013
1.827
0.128
Implant 4 Y
0.149
4
0.037
17.883
0.000
Implant 4 Z
0.051
4
0.013
10.865
0.000
Implant 5 X
0.069
4
0.017
4.176
0.003
Implant 5 Y
0.029
4
0.007
9.501
0.000
Implant 5 Z
0.058
4
0.014
9.420
0.000
D1_D2
0.081
4
0.020
1.160
0.332
D1_D3
0.135
4
0.034
23.715
0.000
D2_D3
0.094
4
0.024
14.637
0.000
D1_D2 = distance from sphere 1 to sphere 2; D1_D3 = distance from sphere 1 to sphere 3; D2_D3 = distance from sphere 2 to sphere 3; df = degree of freedom; F = analysis of variance; Sig. = significant.
