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Theoretical Design of Multilayer Dental Posts Using CAD-Based Approach and Sol-Gel Chemistry

1
Department of Industrial Engineering, Fraunhofer JL IDEAS—University of Naples Federico II, P.le Tecchio 80, 80125 Naples, Italy
2
Institute of Polymers, Composites and Biomaterials—National Research Council of Italy, V.le J.F. Kennedy 54—Mostra d’Oltremare Pad. 20, 80125 Naples, Italy
3
Department of Industrial and Information Engineering, University of Campania “Luigi Vanvitelli”, Via Roma 29, 81031 Aversa, Italy
*
Author to whom correspondence should be addressed.
Materials 2018, 11(5), 738; https://doi.org/10.3390/ma11050738
Received: 10 March 2018 / Revised: 23 April 2018 / Accepted: 4 May 2018 / Published: 7 May 2018
(This article belongs to the Special Issue Sol-Gel Chemistry Applied to Materials Science)
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Abstract

A computer-aided design (CAD)-based approach and sol-gel chemistry were used to design a multilayer dental post with a compositional gradient and a Young’s modulus varying from 12.4 to 2.3 GPa in the coronal-apical direction. Specifically, we propose a theoretical multilayer post design, consisting of titanium dioxide (TiO2) and TiO2/poly(ε-caprolactone) (PCL) hybrid materials containing PCL up to 24% by weight obtained using the sol-gel method. The current study aimed to analyze the effect of the designed multilayer dental post in endodontically treated anterior teeth. Stress distribution was investigated along and between the post and the surrounding structures. In comparison to a metal post, the most uniform distributions with lower stress values and no significant stress concentration were found when using the multilayer post. View Full-Text
Keywords: computer-aided design (CAD); mechanical analysis; finite element analysis (FEA); composites; hybrid materials; biomedical applications computer-aided design (CAD); mechanical analysis; finite element analysis (FEA); composites; hybrid materials; biomedical applications
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Maietta, S.; De Santis, R.; Catauro, M.; Martorelli, M.; Gloria, A. Theoretical Design of Multilayer Dental Posts Using CAD-Based Approach and Sol-Gel Chemistry. Materials 2018, 11, 738.

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