Research Article
Effect of Direct and Indirect Materials on Stress Distribution in Class II MOD Restorations: A 3D-Finite Element Analysis Study
Table 1
Mechanical properties of oral tissues and dental materials including Young’s modulus and Poisson’s ratio used for the analysis.
| Material/tissue | Young’s modulus (MPa) | Poisson’s ratio () | Reference |
| Enamel | 84100 | 0.33 | 13 | Dentin | 18600 | 0.32 | 13 | Amalgam | 15000 | 0.30 | 16 | Composite | 10,000 | 0.21 | 17 | Resin modified glass ionomer cement | 12162 | 0.30 | 16 | Glass carbomer cement | 8300 | 0.3 | 5 | Nanoceramic resin CAD/CAM material | 12700 | 0.45 | 13 | Polymer-infiltrated hybrid ceramic CAD/CAM material | 37800 | 0.24 | 13 | Dual-cure resin cement | 6,000 | 0.30 | 18 | Cortical bone | 10700 | 0.3 | 13 | Trabecular bone | 1.370 | 0.3 | 19 | Periodontal ligament | 68.9 | 0.45 | 13 | Pulp | 2.0 | 0.45 | 17 | Adhesive | 3000 | 0.30 | 1 | Food bolus | 10 | 0.30 | Ausiello 2017 (19) |
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