A new method for the treatment of unilateral posterior cross-bite: a three-dimensional finite element stress analysis study

Progress in Orthodontics

Table 1 Elastic properties and Poisson ratio’s of the structures used in the study

	Elastic properties (GPa)	Poisson ratio
Cortical bone	15	0.30
Spongious bone	1.50	0.30
Teeth	19.6	0.30
Sutures	0.069	0.45
RME appiance (stainless steel)	200	0.29
Acrylic (polimethyl methacrilate)	1.80	0.35
Periodontal ligament	0.07	0.45