Skip to main content

Table 6 Post-hoc mean b* comparisons among study groups

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

Groups Room temperature High temperature
∆b* a p ∆b* a p
Control/white −0.80 0.013* −0.08 0.999
Control/blue −0.59 0.192 0.51 0.394
Control/yellow −2.42 <0.001* −1.46 <0.001*
Control/green −0.61 0.154 −0.11 0.999
Control/reddish-brown −8.18 <0.001* −9.57 <0.001*
White/blue 0.21 0.999 0.60 0.152
White/yellow −1.62 <0.001* −1.38 <0.001*
White/green 0.19 0.999 −0.03 0.999
White/reddish-brown −7.38 <0.001* −9.48 <0.001*
Blue/yellow −1.83 <0.001* −1.97 <0.001*
Blue/green −0.02 0.999 −0.63 0.101
Blue/reddish-brown −7.59 <0.001* −10.08 <0.001*
Yellow/green 1.81 <0.001* 1.34 <0.001*
Yellow/reddish-brown −5.76 <0.001* −8.11 <0.001*
Green/reddish-brown −7.57 <0.001* −9.45 <0.001*
  1. aIndependent samples t test
  2. *p < 0.05