9Neo J, Chee LF. A retrospective clinical study of endodontically treated mandibular incisors in a selected Chinese population. Oral Surg Oral Med Oral Pathol, 1990, 70:782-783.
10Bellizzi R, Hartwell G. Clinical investigation of in vivo endodontically treated mandibular anterior teeth. J Endod, 1983, 9 :246-248.
5Ismann Michael He, Peters O, Dummer Paul MH. Me-chanical preparation of root canals: shaping goals, techniques and means [J]. Endodontic Topics, 2005,10:30- 76.
6Dong J, Hong SY, Hasselgren G. Theories and algorithms for 3-D root canal model construction [J]. Computer-/Nded Design, 2005, 37(11 ): 1177-1189.
7Peters OA, Laib A, Ruegsegger P. Three-dimensional analysis of root canal geometry by high-resolution computed tomography [ J ]. J Dent Res, 2000,79(6):1405-1409.
8Peters OA, PD Dr med dent, MS FICD. Current challenges and concepts in the preparation of root canal systems: A Review [J]. Journal of Endodontics, 2004, 30 (8): 559- 567.
9FanYB QianYL LiuZ ZhangM.Numerical simulation of tooth movement in a therapy period .医用生物力学,2007,22:10-11.
10JUAN JOSE DEL COZ DIAZ, PAULINO JOSE GARCIA NI-ETO, FRANCISCO JOSE SUAREZ DOMINGUEZ. Numerical analysis of the behaviour of tooth intrarradial posts by the finite element method [J]. Journal of Mathematical Modeling and Algorithms, 2005, 4: 275-287.