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Table 2 Mean and standard deviation of precision in all scanners and comparison between them

From: The accuracy of digital impression with different intraoral scanners on maxillary all on four implants: an in vitro study

Precision

Trios’ scanner

Medit scanner

Launca scanner

P value

M

SD

M

SD

M

SD

Occlusal

Anterior implants

0.025 a

0.020

0.028 a

0.015

0.077 b

0.037

0.004*

Posterior implants

0.017 a

0.021

0.008 a

0.008

0.136 a

0.161

0.058

Mid-axial

Anterior implants

0.031 a

0.016

0.041 ab

0.022

0.0735 b

0.027

0.01*

Posterior implants

0.028 a

0.032

0.048 a

0.022

0.212 b

0.193

0.026*

Overall

0.025 a

0.009

0.031 a

0.014

0.125 b

0.084

0.005*

RMS

0.108 a

0.018

0.099 a

0.034

0.251 b

0.109

0.002*

  1. Min: minimum Max: maximum
  2. M: mean SD: standard deviation
  3. *Significant difference as P < 0.05
  4. Means with the same superscript letters were insignificantly different as P > 0.05
  5. Means with different superscript letters were significantly different as P < 0.05