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Table 1 Differences in mean L* among study groups

From: Effect of vulcanization temperature and dental stone colour on colour degradation of maxillofacial silicone elastomers

Groups Room temperature High temperature a p
Mean L* ± SD Mean L* ± SD
Control group 60.56 ± 3.58 64.68 ± 5.21 0.001*
White 65.03 ± 4.15 54.58 ± 4.61 <0.001*
Blue 62.54 ± 4.20 57.36 ± 5.52 <0.001*
Yellow 64.05 ± 4.88 58.74 ± 6.21 0.001*
Green 61.49 ± 4.91 59.71 ± 6.35 0.230
Reddish-brown 62.18 ± 4.34 60.52 ± 3.79 0.119
  1. aIndependent samples t test
  2. *p < 0.05