2The academy of prosthodontics. The giossary of prosthodonticterms, 6th edition[J]. J Prosthet Dent, 1994, 71:41-113
3Yaman SD, Alacam T, Yaman Y. Analysis of stress distribution in a verticallycondensed maxillary central incisor root canal[J].Int J Endod,1995. 21:321-325
4Isidor F,Brondum K, Ravnholt G. The influence of post length and crown ferrulelength on the resistance to cyclic loading of bovine teeth with prefabricated titaniumposts [J]. Iht J Prosthodont, 1999, 12:78-82
5Libman W J, Nicholls JI. Load fatigue of teeth restored with cast posts and coresand complete crowns [J]. Iht J Prosthodont, 1995. 8:155-61
6Seaton P. Mechanics of tensile and shear stress generation in fixed partial dentureretainers[J]. J Prosthet Dent,1994,71:237-44
7Holmes DC, Diaz AA, Leary JM. Influence of post dimension on stress distribution indentin[J]. J Prosthet Dent. 1996,75:140-147