Effects of Skeletally Supported Anterior en Masse Retraction with Varied Lever Arm Lengths and Locations in Lingual Orthodontic Treatment: A 3D Finite Element Study

Table 2

Material properties of the models.

	Young’s modulus (MPa)	Poisson’s ratio
Tooth	20000	0.30
Cortical bone	13700	0.30
PDL	0.05	0.30
Cancellous bone	1600	0.30
Titanium	110000	0.34
Stainless steel	200000	0.30
Alveolar bone	2000	0.30