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Table 1 Intraobserver systematic errors (mm) between the first and second replicates for each of the three scanning protocols, along with significances (Sig)

From: Reliability and validity of intraoral and extraoral scanners

 

Ortho Insight 3D

ITero

Lythos

Measure

Difference (SD)

Sig

Difference (SD)

Sig

Difference (SD)

Sig

Molar_width

0.161 (0.279)

0.043

0.019 (0.221)

0.745

−0.002 (0.094)

0.938

Canine_width

0.045 (0.333)

0.606

0.017 (0.129)

0.628

0.002 (0.057)

0.872

Arch_length

0.045 (0.358)

0.632

0.008 (0.129)

0.820

−0.067 (0.153)

0.113

Premolar_diameter

−0.110 (0.204)

0.056

−0.004 (0.043)

0.756

0.003 (0.060)

0.852

Canine_height

−0.070 (0.211)

0.220

−0.049 (0.182)

0.316

0.005 (0.059)

0.760

  1. Italic indicates statistically significant differences between replicates (p < .05)