Photoelastic Analysis of Fixed Partial Prosthesis Crown Height and Implant Length on Distribution of Stress in Two Dental Implant Systems

Table 2

Three-way ANOVA for stress distribution under axial loading, based on the factors crown height, implant length, and implant system.

Source of variation	df	Sum of squares	Mean square
Crown	1	0.665	0.665	0.40	0.538
Implant length	1	15.103	15.103	9.08	0.003*
System	1	0.195	0.195	0.12	0.733
Crown/implant length	1	6.633	6.633	3.99	0.047*
Crown/system	1	8.726	8.726	5.25	0.023*
Implant length/system	1	6.358	6.358	3.82	0.052
Crown/implant length/system	1	5.322	5.322	3.20	0.075

Statistically significant difference.