[Table/Fig-3]:

Independent samples t-test to compare mean percentage penetration values between groups.

Variables	Group	N	Mean	Std. Dev	t-value	p-value
Percentage penetration	Resin infiltration	20	67.14	1.78	21.229	<0.001
	Colloidal silica infiltration	20	53.54	2.23

p=<0.05