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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)