Research Article

Trueness and Precision of Three-Dimensional Digitizing Intraoral Devices

Table 2

Results of precision and trueness of all implants and interarch distances.

Parameters (mm)nAtosTrios 3Trios 3 monoItero elements
PrecisionTruenessPrecisionTruenessPrecisionTruenessPrecisionTrueness

Implant 1 X300.009−0.0010.1350.0420.100−0.0090.1010.037
Implant 1 Y300.004−0.0040.0730.0790.0230.0160.038−0.034
Implant 1 Z300.0020.0000.0470.0630.025−0.0060.0400.025

Implant 2 X300.0180.0000.1270.0540.095−0.0140.0830.032
Implant 2 Y300.006−0.0040.0940.0950.0270.0180.044−0.041
Implant 2 Z300.0020.0000.0350.0760.024−0.0030.0290.015

Implant 3 X300.014−0.0010.133−0.0470.0970.0150.0810.032
Implant 3 Y300.014−0.0070.0970.1140.033−0.0250.041−0.025
Implant 3 Z300.0070.0020.0330.0460.019−0.0250.0250.021

Implant 4 X300.0160.0000.129−0.0290.0820.0150.0750.028
Implant 4 Y300.019−0.0030.0770.0660.029−0.0270.034−0.007
Implant 4 Z300.0080.0010.0490.0310.0270.0560.0390.015

Implant 5 X300.018−0.0020.099−0.0180.0590.0470.0550.010
Implant 5 Y300.014−0.0080.0390.0180.026−0.0250.026−0.012
Implant 5 Z300.0180.0030.0630.0350.0280.0630.0330.025

D1_D2300.005−0.0030.2060.0030.111−0.0340.1240.040
D1_D3300.011−0.0010.0460.0680.052−0.0170.028−0.009
D2_D3300.026−0.0020.0610.0140.0220.0450.040−0.033

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.