Trueness and Precision of Three-Dimensional Digitizing Intraoral Devices
Table 2
Results of precision and trueness of all implants and interarch distances.
Parameters (mm)
n
Atos
Trios 3
Trios 3 mono
Itero elements
Precision
Trueness
Precision
Trueness
Precision
Trueness
Precision
Trueness
Implant 1 X
30
0.009
−0.001
0.135
0.042
0.100
−0.009
0.101
0.037
Implant 1 Y
30
0.004
−0.004
0.073
0.079
0.023
0.016
0.038
−0.034
Implant 1 Z
30
0.002
0.000
0.047
0.063
0.025
−0.006
0.040
0.025
Implant 2 X
30
0.018
0.000
0.127
0.054
0.095
−0.014
0.083
0.032
Implant 2 Y
30
0.006
−0.004
0.094
0.095
0.027
0.018
0.044
−0.041
Implant 2 Z
30
0.002
0.000
0.035
0.076
0.024
−0.003
0.029
0.015
Implant 3 X
30
0.014
−0.001
0.133
−0.047
0.097
0.015
0.081
0.032
Implant 3 Y
30
0.014
−0.007
0.097
0.114
0.033
−0.025
0.041
−0.025
Implant 3 Z
30
0.007
0.002
0.033
0.046
0.019
−0.025
0.025
0.021
Implant 4 X
30
0.016
0.000
0.129
−0.029
0.082
0.015
0.075
0.028
Implant 4 Y
30
0.019
−0.003
0.077
0.066
0.029
−0.027
0.034
−0.007
Implant 4 Z
30
0.008
0.001
0.049
0.031
0.027
0.056
0.039
0.015
Implant 5 X
30
0.018
−0.002
0.099
−0.018
0.059
0.047
0.055
0.010
Implant 5 Y
30
0.014
−0.008
0.039
0.018
0.026
−0.025
0.026
−0.012
Implant 5 Z
30
0.018
0.003
0.063
0.035
0.028
0.063
0.033
0.025
D1_D2
30
0.005
−0.003
0.206
0.003
0.111
−0.034
0.124
0.040
D1_D3
30
0.011
−0.001
0.046
0.068
0.052
−0.017
0.028
−0.009
D2_D3
30
0.026
−0.002
0.061
0.014
0.022
0.045
0.040
−0.033
n = number of scans; mm = millimeter; n = number; 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.