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Table 1 Comparison of mean RMS values and average values among four intervals and two groups

From: Dimensional stability of 3D-printed edentulous and fully dentate hollowed maxillary models over periods of time

Factor

Group

No.

Baseline

One day (24 h)

Fourteen days

Twenty-eight days

Average

RMS

Edentulous

15

0.257 ± 0.11a

0.300 ± 0.09a

0.368 ± 0.11b

0.384 ± 0.06b

 

Dentate

15

0.355 ± 0.05a

0.355 ± 0.05a

0.353 ± 0.07a

0.347 ± 0.08a

 

Total

30

0.306 ± 0.10a

0.327 ± 0.08a

0.360 ± 0.09b

0.365 ± 0.07b

 

Average

Edentulous

15

0.014 ± 0.02a

0.013 ± 0.03a

0.030 ± 0.03a

0.029 ± 0.05a

0.021

Dentate

15

0.033 ± 0.03a

0.033 ± 0.03a

0.018 ± 0.02a

0.014 ± 0.02a

0.024

Total

30

0.023 ± 0.03a

0.023 ± 0.03a

0.024 ± 0.03a

0.021 ± 0.04a

 
  1. The superscript shows statistical significance