From: Comparison of stress distribution around all-on-four implants of different angulations and zygoma implants: a 7-model finite element analysis
Anterior Implant
Posterior Implant
Model 1
32.079
97.002
Model 2
26.707
58.126
Model 3
38.141
79.770
Model 4
30.994
58.683
Model 5
20.466
48.410
Model 6
32.503
46.191
Model 7
27.571
35.802