MATERIALS AND METHODS FOR EVALUATING ZIRCONIA ALTERNATIVES IN IMPLANT-SUPPORTED PROSTHESES

Autores

  • Cesar Ricardo Rodrigues Autor
  • Cássio de Barros Pontes Autor
  • Fabiano Perez Autor
  • Eduardo Mukai Autor
  • Ervino Siebel Neto Autor
  • Jenival Correa de Almeida Júnior Autor
  • Newton Sesma Autor

DOI:

https://doi.org/10.56238/arev7n3-117

Palavras-chave:

Biomedical and Dental Materials, Dental Implants, Dental Prosthesis, Polyacetylene Polymer

Resumo

The demand for metal-free dental restorations has driven the development of materials that emulate natural tooth structure. This study aimed to compare the stress distribution in implant-supported fixed prostheses made from zirconia and polyoxymethylene (POM) using the finite element method. Three- dimensional models represented screw-retained prostheses on cylindrical external hexagon-type implants in the mandibular region. The experimental group used a POM base, and the control group used zirconia, both with the same geometry. Results indicated a significant increase in stress under the zirconia abutment, with higher intensity transmitted to other components. A 41.96 MPa stress variation was observed in the prosthetic screw with a POM base compared to zirconia. No significant differences were noted in bone tissue stress between the two materials. In conclusion, POM demonstrated superior stress dissipation, potentially reducing mechanical failure risks.

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Publicado

2025-03-13

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RODRIGUES, Cesar Ricardo; PONTES, Cássio de Barros; PEREZ, Fabiano; MUKAI, Eduardo; SIEBEL NETO, Ervino; DE ALMEIDA JÚNIOR, Jenival Correa; SESMA, Newton. MATERIALS AND METHODS FOR EVALUATING ZIRCONIA ALTERNATIVES IN IMPLANT-SUPPORTED PROSTHESES. ARACÊ , [S. l.], v. 7, n. 3, p. 12183–12199, 2025. DOI: 10.56238/arev7n3-117. Disponível em: https://periodicos.newsciencepubl.com/arace/article/view/3821. Acesso em: 14 mar. 2025.