Table 3: Descriptive statistics showing the intragroup comparison of microhardness values (VHN) in different experimental groups at the end of 24 hours, 3 and 7 days

Groups with mean and SD		Time of assessment						p*-value, sig		Significant pairs**
		24 hours		3 days		7 days
Group I		52.03 ± 1.23		49.85 ± 2.16		41.51 ± 2.37		<0.001 HS		24 hours & 7 days (10.53),
										3 days & 7 days (8.35)
Group II		52.14 ± 2.22		50.04 ± 1.65		45.44 ± 2.54		<0.001 HS		24 hours & 7 days (6.7),
										3 days & 7 days (4.6)
Group III		54.67 ± 1.63		53.43 ± 1.57		53.00 ± 0.85		0.07 NS		–

*One-way ANOVA test; **Tukey's post hoc test; HS: Highly significant; NS: Not significant