Table 3.

Comparison of residual cement between 6 sub-groups

Groups	Subgroups	Total	Remaining of cement		P value
			Present	Absent
Group 1	A	7	5 (71.47 %)	2 (28.6)	0.462
	B	7	7 (100.0 %)	0
Group 2	A	7	6 (85.7 %)	1 (14.3 %)	0.559
	B	7	4 (57.1 %)	3 (42.9 %)
Group 3	A	7	1 (14.3 %)	6 (85.7 %)	0.867
	B	7	2 (28.6 %)	5 (71.4 %)
Group 4	A	7	7 (100.0 %)	0	0.909
	B	7	6 (85.7 %)	1 (14.3 %)
Group 5	A	7	6 (85.7 %)	1 (14.3 %)	0.867
	B	7	5 (71.4 %)	2 (28.6 %)
Group 6	A	7	4 (57.1 %)	3 (42.9 %)	0.266
	B	7	1 (14.3 %)	6 (85.7 %)