Implant platform switching: biomechanical approach using two-dimensional finite element analysis

The Journal of Craniofacial Surgery
Lucas Fernando TabataJuliana Aparecida Delben

Abstract

In implant therapy, a peri-implant bone resorption has been noticed mainly in the first year after prosthesis insertion. This bone remodeling can sometimes jeopardize the outcome of the treatment, especially in areas in which short implants are used and also in aesthetic cases. To avoid this occurrence, the use of platform switching (PS) has been used. This study aimed to evaluate the biomechanical concept of PS with relation to stress distribution using two-dimensional finite element analysis. A regular matching diameter connection of abutment-implant (regular platform group [RPG]) and a PS connection (PS group [PSG]) were simulated by 2 two-dimensional finite element models that reproduced a 2-piece implant system with peri-implant bone tissue. A regular implant (prosthetic platform of 4.1 mm) and a wide implant (prosthetic platform of 5.0 mm) were used to represent the RPG and PSG, respectively, in which a regular prosthetic component of 4.1 mm was connected to represent the crown. A load of 100 N was applied on the models using ANSYS software. The RPG spreads the stress over a wider area in the peri-implant bone tissue (159 MPa) and the implant (1610 MPa), whereas the PSG seems to diminish the stress distribution on bone ti...Continue Reading

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Citations

Jun 16, 2012·International Journal of Oral Science·Chun-Bo TangQiu-Ju Wang
Sep 10, 2013·Implant Dentistry·Lucas S MachadoPaulo G Coelho
Nov 1, 2012·The Journal of Oral Implantology·Ana Paula MartiniRodolfo Bruniera Anchieta
Feb 14, 2015·Clinical Oral Implants Research·Pablo Galindo-MorenoAndrés Catena
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Aug 29, 2014·Case Reports in Dentistry·G SammartinoO Trosino
Jul 23, 2015·Brazilian Dental Journal·Bruno Andrade Cantharino de CarvalhoRosse Mary Falcón-Antenucci
Mar 1, 2017·The Journal of Advanced Prosthodontics·Se-Young MoonHo-Beom Kwon
Oct 12, 2010·The Journal of Oral Implantology·Eduardo Piza PellizzerPedro Yoshito Noritomi

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