Investigation of the Effects of Adhesive Materials of Different Types and Thicknesses on Dental Tissue Stress via FEM Analysis

Table 1

Mechanical properties of structures used in 3D finite element stress analysis models of maxillary molars.

Material	Elastic modulus	Poisson’s ratio	Tensile strength	Compressive strength
Dentin	18.6 GPa [26]	0.31 [26]	98.7 MPa [27]	297.0 MPa [27]
Enamel	84.1 GPa [26]	0.33 [26]	10.3 MPa [27]	384.0 MPa [27]
Pulp	0.002 GPa [28]	0.45 [28]	—	—
Bulk-fill composite	12.0 GPa [29]	0.25 [29]	42 MPa [27]	169.0 MPa [27]
Adhesive system 1	3.6 GPa [30]	0.28 [30]	—	—
Adhesive system 2	1.9 GPa [30]	0.28 [30]	—	—
Adhesive system 3	1 GPa [3]	0.3 [3]	—	—
Adhesive system 4	1 GPa [31]	0.24 [31]	—	—