Comparative Evaluation of the Effect of Core Type and Antirotational Post on Stress Distribution in an Endodontically Treated Maxillary First Molar: FEA

Table 1

Material properties.

Material	Elastic modulus (GPA)	Poisson’s ratio
Enamel	84.10	0.33
Dentin	18.60	0.31
Pulp	0.0068	0.45
Periodontal ligament (0.2 mm thickness)	0.07	0.45
Gutta percha	0.07	0.40
Adhesive resin cement (Panavia)	18.6	0.31
Cortical bone/cancelleous bone	13.7/1.37	0.3
Metal cast post (Ni-Cr)	188	0.33