From: Viscoelasticity of periodontal ligament: an analytical model
a 11 [M N/m]
a 22 [M N/m]
a 33 [M N/m]
a 44 [N ·m]
a 55 [N ·m]
a 66 [N ·m]
5.043
1.090
6.997
578.9
6.137
445.6