Finite Element Analysis of the Effect of Tightening Torque on the Connection Stability of a Two-Piece Zirconia Implant System

Table 2

Mechanical properties of all simulated materials.

Material	Elastic modulus (GPa)	Yield strength (MPa)	Poisson’s ratio
Zirconia abutment/fixture	210	—	0.30
Abutment screw (Ti-6Al-4V)	110	880	0.35
Zirconia crown	210	—	0.26
Cortical bone	13.7	—	0.30
Trabecular bone	1.37	—	0.30