TITLE

Evaluation of the stress distribution in CFR-PEEK dental implants by the three-dimensional finite element method

AUTHOR(S)
Sarot, João Rodrigo; Contar, Cintia Mussi Milani; da Cruz, Ariadne Cristiane Cabral; de Souza Magini, Ricardo
PUB. DATE
July 2010
SOURCE
Journal of Materials Science: Materials in Medicine;Jul2010, Vol. 21 Issue 7, p2079
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
CFR-PEEK (carbon fiber reforced—poly ether ether ketone) has been demonstrated to be excellent substitute titanium in orthopedic applications and can be manufactured with many physical, mechanical, and surface properties, in several shapes. The aim of this study was to compare, using the three-dimensional finite element method, the stress distribution in the peri-implant support bone of distinct models composed of PEEK components and implants reinforced with 30% carbon fiber (30% CFR-PEEK) or titanium. In simulations with a perfect bonding between the bone and the implant, the 30% CFR-PEEK presented higher stress concentration in the implant neck and the adjacent bone, due to the decreased stiffness and higher deformation in relation to the titanium. However, 30% CFR-PEEK implants and components did not exhibit any advantages in relation to the stress distribution compared to the titanium implants and components.
ACCESSION #
51931014

 

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