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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)