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3Rees JS, Jacobson PH. Elastic modulus of the periodontal ligament. Biomaterials, 1997, 18(14):995
4Rao SS. The finite element in engineering. 2nd ed. Oxford:Pergamon Press, 1989. 352
5Middleton J, Jones M, Wilson A. The role of the periodontal ligament in bone modeling: The initial development of a time dependent finite element model. Am J Orthod Dentofacial Orthop,1996, 109(2):155
6Rees JS, Jacobson PH. Elastic modulus of the periodontal ligament. Biomaterials, 1997, 18(14):995