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Table 3 Systematic differences (mm) between the measures made directly on the dry mandibles and corresponding measures made on the 3D digital reconstructions for each of the three scanning protocols, with positive values indicating digital underestimation

From: Reliability and validity of intraoral and extraoral scanners

  Ortho Insight 3D   ITero   Lythos  
Variable Difference (SD) Sig Difference (SD) Sig Difference (SD) Sig
Molar_width −0.067 (0.314) 0.420 −0.012 (0.090) 0.613 0.016 (0.049) 0.230
Canine_width −0.006 (0.164) 0.887 −0.035 (0.085) 0.132 −0.002 (0.045) 0.864
Arch_length 0.159 (0.275) 0.042 0.054 (0.219) 0.357 −0.012 (0.092) 0.613
Premolar_diameter −0.064 (0.156) 0.136 −0.032 (0.077) 0.134 −0.005 (0.024) 0.424
Canine_height 0.363 (0.331) 0.001 0.066 (0.290) 0.391 0.018 (0.058) 0.252
  1. Italic indicates statistically significant differences between replicates (p < .05)