Skip to main content

Table 1 Young’s modulus and Poisson’s ratio of various materials used in this study

From: The difference of stress distribution of maxillary expansion using rapid maxillary expander (RME) and maxillary skeletal expander (MSE)—a finite element analysis

No Material Young’s modulus Poisson’s ratio
1 Maxilla skeletal expander (MSE) 193.000 MPa 0.3
2 Rapid maxillary expander (RME) 200.000 GPa 0.33
3 Miniscrew (Ti-6Al-4V: titanium 6% alumunium 4% vanadium) 114.000 MPa 0.34
4 Alveolar bone (cortical bone) 13.700 MPa 0.3
5 Cancellous bone 1.370 MPa 0.3
6 Suture 0.068 MPa 0.49
7 Teeth 20.700 MPa 0.30
8 Enamel 80.000 MPa 0.25
9 Dentine 18.300 MPa 0.30
10 Pulp 0.58 MPa 0.42
11 Periodontal ligament 0.7 MPa 0.49
  1. All materials in the model were assumed to be homogenous, isotropic, and linearly elastic
\