Table 4 Post-hoc mean a* 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
Groups	∆a*	^a p	∆a*	^a p
Control/white	−0.26	0.287	0.52	0.001*
Control/blue	−0.19	0.999	0.34	0.114
Control/yellow	0.06	0.999	0.48	0.002*
Control/green	−0.09	0.999	1.00	<0.001*
Control/reddish-brown	−1.68	<0.001*	−1.26	<0.001*
White/blue	0.07	0.999	−0.18	0.999
White/yellow	0.32	0.062	−0.04	0.999
White/green	0.18	0.999	0.48	0.002*
White/reddish-brown	−1.42	<0.001*	−1.78	<0.001*
Blue/yellow	0.25	0.394	0.15	0.999
Blue/green	0.10	0.999	0.66	<0.001*
Blue/reddish-brown	−1.49	<0.001*	−1.60	<0.001*
Yellow/green	−0.15	0.999	0.52	0.001*
Yellow/reddish-brown	−1.74	<0.001*	−1.74	<0.001*
Green/reddish-brown	−1.59	<0.001*	−2.26	<0.001*

^aIndependent samples t test
*p < 0.05

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