Evaluation of the Effect of Water on Three Different Light Cured Composite Restorative Materials Stored in Water: An In Vitro Study

Table 5

The mean weight changes in the three groups during the entire period of the observation (Initial day to the sixth week).

Groups	Paired difference					𝑝
	Mean difference	Std. error	95% confidence interval for the mean difference		𝑡
			Lower limit	Upper limit
Group A	26.150	3.565	18.688	33.612	5.585	<0.001
Group B	23.700	2.090	19.325	28.075	8.102	<0.001
Group C	18.850	2.229	14.184	23.516	7.939	<0.001