From: Stress and displacement pattern evaluation using two different palatal expanders in unilateral cleft lip and palate: a three-dimensional finite element analysis
S. no
Structures
Elements and nodes
Young’s modulus (MPa)
Poisson’s ratio
1
Cortical bone
Tetrahedral
13,700
0.30
2
Cancellous bone
7900
3
Sutures
10
0.49
4
Teeth
20,000