Biomechanical Analysis of Grafted and Nongrafted Maxillary Sinus Augmentation in the Atrophic Posterior Maxilla with Three-Dimensional Finite Element Method

Table 1

Elastic properties of materials modeled.

Material	Young’s modulus, (GPa)	Poisson’s ration,
Cortical bone	13.7	0.3
Trabecular bone (D2 & D3)	1.37	0.3
Trabecular bone (D4)	0.231	0.3
High-stiffness graft	11	0.3
Low-stiffness graft	0.5	0.3
Titanium	110	0.35