Influence of different access cavity sizes on the direction of stress distribution in endodontically treated uniradicular maxillary premolar: a finite element analysis

Adriana Marques Nunes; Kusai  Baroudi; Leonardo dos Santos Barroso; Ladário  da Silva; Rosy  de Oliveira Nardy; Agatha  Borges Teixeira; Thiago  Rodrigues Machado Lourenço; José  Augusto Oliveira Huguenin

doi:10.47385/cadunifoa.v18.n53.4353

Autores/as

Adriana Marques Nunes Centro Universitário de Volta Redonda, UniFOA https://orcid.org/0000-0002-6708-1197
Kusai Baroudi Associate Professor in Pediatric Dentistry , RAK College of Dental Sciences, RAK Medical & Health sciences University, Ras Al Khaimah, United Arab Emirates. Collaborating Professor, Postgraduate Program, School of Dentistry, University of Taubaté, Taubaté, Brazil. https://orcid.org/0000-0002-1009-0869
Leonardo dos Santos Barroso Professor of Endodontics Postgraduate Program at Department of Dentistry – University of Volta Redonda/RJ (UNIFOA), Volta Redonda – RJ, Brazil. Student of PhD Program of Endodontics at Department of Dentistry – University of Taubaté (UNITAU), Taubate – SP, Brazil. https://orcid.org/0000-0002-1273-5800
Ladário da Silva Professor Postgraduate Program of Metallurgical Engineering, School of Industrial and Metallurgical Engineering, Federal Fluminense University, Volta Redonda – RJ, Brazil. Professor of Physics Department, Exact Sciences Institute, Federal Fluminense University (UFF), Volta Redonda - RJ, Brazil. https://orcid.org/0000-0003-1643-7840
Rosy de Oliveira Nardy Professor of Endodontics Postgraduate Program at Department of Dentistry – University of Volta Redonda/RJ (UNIFOA), Volta Redonda – RJ, Brazil. https://orcid.org/0000-0002-3515-2050
Agatha Borges Teixeira PhD in Metallurgical and Materials Engineering, School of Industrial and Metallurgical Engineering, Federal Fluminense University, Volta Redonda – RJ, Brazil. https://orcid.org/0000-0003-0988-0844
Thiago Rodrigues Machado Lourenço Master Degree in Metallurgical and Materials Engineering, School of Industrial and Metallurgical Engineering, Federal Fluminense University, Volta Redonda – RJ, Brazil. https://orcid.org/0000-0002-3182-258X
José Augusto Oliveira Huguenin Professor of Physics Department, Exact Sciences Institute, Federal Fluminense University (UFF), Volta Redonda - RJ, Brazil. https://orcid.org/0000-0001-7410-4281

DOI:

https://doi.org/10.47385/cadunifoa.v18.n53.4353

Palabras clave:

Finite element analysis, Endodontics, Elastic modulus

Resumen

Objective: This study aimed to evaluate the influence of different access cavity sizes on the stress distribution in an endodontically treated maxillary premolar model compared to an intact one using finite element analysis (FEA). Materials and Methods: The distributions of maximum and minimum principal stress were calculated. In the intact tooth, the maximum principal stress was located in the enamel-dentine junction and the minimum principal stress was in the cervical area. Results: In large-sized access, the maximum principal stress (tensile) increased by 41% compared to the contracted access model. This tensile strength was concentrated on interface tooth/restoration. Medium-sized access caused an increase of 27% of the minimum principal stress(compressive strength) on the apical region compared to the contracted access cavity. There was also an increase of 15% of the maximum principal stress (tensile strength) when comparing medium and minimum-sized cavities. Conclusion: The endodontic access cavity design modified the value and the direction of principal stress distribution of endodontically treated uniradicular maxillary premolar compared to the natural one.

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Biografía del autor/a

Adriana Marques Nunes, Centro Universitário de Volta Redonda, UniFOA

Cirurgiã-dentista,

Doutoranda em Engenharia de Materias e Metalurgia (UFF- Volta Redonda/RJ),

Mestre e Especialista em Endodontia (São Leopoldo Mandic – Campinas/SP),

Especialista em Ortodontia (IEPC- Cruzeiro/SP),

Docente da Graduação e Pós Graduação do UniFOA (Volta Redonda/RJ)

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