From: Biomechanical behavior of implant retained prostheses in the posterior maxilla using different materials: a finite element study
Stress (MPa)
Zirconia
PEKK
Fixed (MF-Zr)
Mesial (MM-Zr)
Distal (MD-Zr)
Fixed (MF-PEKK)
Mesial (MM-PEKK)
Distal (MD-PEKK)
Prosthesis
42.4
65.9
105.0
35.4
50.6
93.3
Implant
48.9
66.3
88.9
56.6
70.7
111.6
Bone
19.6
38.9
67.8
26.5
49.4
100.0