Valuation of stress patterns in the peri implant bone of non-parallel implants supporting a long-cantilevered prosthesis: a 3D finite element analysis

International Journal of Clinical and Biomedical Research

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Title Valuation of stress patterns in the peri implant bone of non-parallel implants supporting a long-cantilevered prosthesis: a 3D finite element analysis
 
Creator Amrutesh, Alluru
Sabnis, Aditi Chintamani
Lahoti, Anurag
Siddiqui, Mohammed Abusaad
N, Sudheer
Raj, Dulala Vikram
 
Subject Peri Implant Bone, Non Parallel Imnplants, Cantilevered Prothesis, Stress Patterns
 
Description The treatment modality for completely edentulous arches has shifted from complete dentures to dental implants during the last 15-20 years. Tilting of implants has reduced the concern of resorbed posterior ridges in completely edentulous patients with “All-on-four” and “All-on-six” concept of dental implants. The purpose of this study is to compare the biomechanical behaviour of the “All-on-four”, “All-on-six” models with tilted distal implants at different angulations of 30 and 45 ° with four parallel placed implant-supported fixed prosthesis, and six parallel placed implant-supported fixed prosthesis models as controls using three-dimensional finite element analysis. The results showed that in all the models, in cancellous bone, cortical bone, implant and prosthesis – “All-on-four” model with distal implants tilted at an angulation of 30° showed stress values less than or equivalent to all the other models except on the implant in the presence of cantilever and on prosthesis during full mouth biting load where maximum stresses were observed. The study shows that All-on-four concept with tilted distal implants at an angulation of 30° showed stress values favourable for the rehabilitation of completely edentulous maxilla, but the presence of cantilever remains an area of concern.
 
Publisher Sumathi Publications
 
Date 2020-10-29
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://www.ijcbr.com/index.php/ijcbr/article/view/372
10.31878/ijcbr.2020.64.05
 
Source International Journal of Clinical and Biomedical Research; Volume 6, Issue 4; October 2020.; 18-24
2395-0471
2521-0394
 
Language eng
 
Relation https://www.ijcbr.com/index.php/ijcbr/article/view/372/381
 
Rights Copyright (c) 2020 Mohammed Abusaad Siddiqui, Sudheer N, Dulala Vikram Raj, Aditi Chintamani Sabnis, Alluru Amrutesh, Anurag Lahoti
 

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