Table 1.

${\mathrm{L}}_8$ orthogonal arrays for experiments (number under each investigated factor indicates levels assigned to that factor).

				Factors
Exp No.	(A) CBCTs	(B) Occlusal Plane Canting	(C) Implant Connection	(D) Prostheses Position	(E) Coping Material	(F) Coping Thickness	(G) Types of Restoration
1	1	1	1	1	1	1	1
2	1	1	1	2	2	2	2
3	1	2	2	1	1	2	2
4	1	2	2	2	2	1	1
5	2	1	2	1	2	1	2
6	2	1	2	2	1	2	1
7	2	2	1	1	2	2	1
8	2	2	1	2	1	1	2