Table 4.

Comparison of crestal bone levels between Group A and Group C

Time	Groups	Crestal bone level
		Mean±SD	t	P
Preoperatively	Group A	0.015±0.006	2.978	0.0059**
	Group C	0.011±0.004
Immediate postoperatively	Group A	0.016±0.006	3.06	0.0048**
	Group C	0.012±0.004
3 months	Group A	0.019±0.005	4.4874	0.001**
	Group C	0.011±0.005
6 months	Group A	0.015±0.005	60.5	0.001**
	Group C	0.005±0.004

SD: Standard deviation