Biomechanical Consequences of Progressive Marginal Bone Loss Around Oral Implants: a Finite Element Stress Analysis

Overview

Journal Med Biol Eng Comput

Publisher Springer

Specialties Biomedical Engineering
Medical Informatics

Date 2006 Aug 29

PMID 16937188

Citations 13

Authors

Kivanc Akca

Murat Cavit Cehreli

Affiliations

Soon will be listed here.

Abstract

The purpose of this study was to explore the biomechanical effects of progressive marginal bone loss in the peri-implant bone. Finite element model of a Ø 4.1 x 10 mm Straumann dental implant and a solid abutment was constructed as predefined eight-layers around the implant neck. The implant-abutment complex was embedded in a cylindrical bone model to analyze bone biomechanics regardless of anatomical influences. Angular and circular progressive marginal bone loss was simulated by sequential removal of each layer, resulting crater-like defects and a total of ten finite element models for analysis. Each model was subjected to a vertical and oblique static load of 100 N in separate load cases. Principal stress minimum and maximum, displacement, and equivalent of elastic strain outcomes were compared. Under vertical loading, principal stresses minimum and maximum decreased remarkably as with the increase in bone resorption. Under oblique load simulations, decrease in principal stress maximum and minimum was evident. With progressive bone loss and under oblique load simulations, displacement and equivalent of elastic strain increased considerably in trabecular bone contacting the implant neck. The presence of cortical bone contacting a load-carrying implant, even in a bone defect, improves the biomechanical performance of implants in comparison with only trabecular bone support as a sequel of progressive marginal bone loss.

Citing Articles

Assessment of the Impact of Bone Quality and Abutment Configuration on the Fatigue Performance of Dental Implant Systems Using Finite Element Analysis (FEA).

Erdogdu M, Demirel M, Mohammadi R, Guntekin N J Pers Med. 2024; 14(10).

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Consequences of Peri-Implant Bone Loss in the Occlusal Load Transfer to the Supporting Bone in terms of Magnitude of Stress, Strain, and Stress Distribution: A Finite Element Analysis.

Perez-Pevida E, Chavarri-Prado D, Dieguez-Pereira M, Estrada-Martinez A, Montalban-Vadillo O, Jimenez-Garrudo A Biomed Res Int. 2021; 2021:3087071.

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Impact of peri-implant bone resorption, prosthetic materials, and crown to implant ratio on the stress distribution of short implants: a finite element analysis.

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A Hybrid Model for Predicting Bone Healing around Dental Implants.

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Biomechanical Analysis of a Novel Intercalary Prosthesis for Humeral Diaphyseal Segmental Defect Reconstruction.

Zhao L, Tian D, Wei Y, Zhang J, Di Z, He Z Orthop Surg. 2018; 10(1):23-31.

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