Multifactorial Analysis of Endodontic Microsurgery Using Finite Element Models

Overview

Journal J Pers Med

Date 2022 Jun 24

PMID 35743798

Authors

Raphael Richert

Jean-Christophe Farges

Jean-Christophe Maurin

Jerome Molimard

Philippe Boisse

Maxime Ducret

Affiliations

Soon will be listed here.

Abstract

Background: The present study aimed to classify the relative contributions of four biomechanical factors-the root-end filling , the apical , the root , and the -on the root stresses of the resected premolar.

Methods: A design of experiments approach based on a defined subset of factor combinations was conducted to calculate the influence of each factor and their interactions. Sixteen finite element models were created and analyzed using the von Mises stress criterion. The robustness of the design of experiments was evaluated with nine supplementary models.

Results: The current study showed that the factors and had a high influence on root stresses. However, it also revealed that nearly half of the biomechanical impact was missed without considering interactions between factors, particularly between resection and .

Conclusions: Design of experiments appears to be a valuable strategy to classify the contributions of biomechanical factors related to endodontics. Imagining all possible interactions and their clinical impact is difficult and can require relying on one's own experience. This study proposed a statistical method to quantify the mechanical risk when planning apicoectomy. A perspective could be to integrate the equation defined herein in future software to support decision-making.

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