Table 2.

Pair comparison of mean values of abutment screw detorquing in single implant-supported prostheses in the study groups.

Groups	p value
1 and 2	0.002
1 and 3	0.004
1 and 4	0.045
2 and 3	0.88
2 and 4	<0.001
3 and 4	＜0.001