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Can the modeling for simplification of a dental implant surface affect the accuracy of 3D finite element analysis?

Author

Listed:
  • Fellippo Ramos Verri
  • Ronaldo Silva Cruz
  • Victor Eduardo de Souza Batista
  • Daniel Augusto de Faria Almeida
  • Ana Caroline Gonçales Verri
  • Cleidiel Aparecido de Araújo Lemos
  • Joel Ferreira Santiago Júnior
  • Eduardo Piza Pellizzer

Abstract

The aim of this study was to assess stress/strain of different implant modeling simplifications by 3D-FEA. Three variation of external hexagon implant (Ø3.75 × 10 mm) supporting one molar crown were simulated: A (no threads); B (slightly threads simplification); C (original design). 200 N (axial) and 100 N (oblique) were applied. Cortical bone was evaluated by maximum principal stress and microstrain qualitatively and quantitatively (ANOVA and Tukey post hoc (p < 0.05)). Higher stress levels (p < 0.05) were observed in model A. Models B and C presented similar stress transmission. It was possible to conclude that slightly simplification should be used for studies evaluating stress transferring for bone tissue.

Suggested Citation

  • Fellippo Ramos Verri & Ronaldo Silva Cruz & Victor Eduardo de Souza Batista & Daniel Augusto de Faria Almeida & Ana Caroline Gonçales Verri & Cleidiel Aparecido de Araújo Lemos & Joel Ferreira Santiag, 2016. "Can the modeling for simplification of a dental implant surface affect the accuracy of 3D finite element analysis?," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 19(15), pages 1665-1672, November.
    • Handle: RePEc:taf:gcmbxx:v:19:y:2016:i:15:p:1665-1672
    DOI: 10.1080/10255842.2016.1176156
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    Cited by:

    1. Victor Eduardo de Souza Batista & Fellippo Ramos Verri & Daniel Augusto de Faria Almeida & Joel Ferreira Santiago Junior & Cleidiel Aparecido Araújo Lemos & Eduardo Piza Pellizzer, 2017. "Finite element analysis of implant-supported prosthesis with pontic and cantilever in the posterior maxilla," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 20(6), pages 663-670, April.
    2. Fellippo Ramos Verri & Ronaldo Silva Cruz & Cleidiel Aparecido Araújo Lemos & Victor Eduardo de Souza Batista & Daniel Augusto Faria Almeida & Ana Caroline Gonçales Verri & Eduardo Piza Pellizzer, 2017. "Influence of bicortical techniques in internal connection placed in premaxillary area by 3D finite element analysis," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 20(2), pages 193-200, January.

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