Microhardness and Wear Behavior of Nanodiamond-Reinforced Nanocomposites for Dental Applications

Rocío Moriche; Joaquín Artigas-Arnaudas; Bhanu Chetwani; María Sánchez; Mónica Campo; Margarita GONZALEZ PROLONGO; Joaquín Rams; Silvia González Prolongo; Alejandro Ureña

doi:10.20944/preprints202403.1688.v1

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preprints.org > chemistry and materials science > ceramics and composites > doi: 10.20944/preprints202403.1688.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Microhardness and Wear Behavior of Nanodiamond-Reinforced Nanocomposites for Dental Applications

Rocío Moriche

^* ,

Joaquín Artigas-Arnaudas

Bhanu Chetwani

María Sánchez

^* ,

Mónica Campo

Margarita GONZALEZ PROLONGO

Joaquín Rams

Silvia González Prolongo

Alejandro Ureña

Version 1 : Received: 27 March 2024 / Approved: 27 March 2024 / Online: 27 March 2024 (14:32:18 CET)

How to cite: Moriche, R.; Artigas-Arnaudas, J.; Chetwani, B.; Sánchez, M.; Campo, M.; PROLONGO, M.G.; Rams, J.; Prolongo, S.G.; Ureña, A. Microhardness and Wear Behavior of Nanodiamond-Reinforced Nanocomposites for Dental Applications. Preprints 2024, 2024031688. https://doi.org/10.20944/preprints202403.1688.v1 Moriche, R.; Artigas-Arnaudas, J.; Chetwani, B.; Sánchez, M.; Campo, M.; PROLONGO, M.G.; Rams, J.; Prolongo, S.G.; Ureña, A. Microhardness and Wear Behavior of Nanodiamond-Reinforced Nanocomposites for Dental Applications. Preprints 2024, 2024031688. https://doi.org/10.20944/preprints202403.1688.v1

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MDPI and ACS Style

Moriche, R.; Artigas-Arnaudas, J.; Chetwani, B.; Sánchez, M.; Campo, M.; PROLONGO, M.G.; Rams, J.; Prolongo, S.G.; Ureña, A. Microhardness and Wear Behavior of Nanodiamond-Reinforced Nanocomposites for Dental Applications. Preprints 2024, 2024031688. https://doi.org/10.20944/preprints202403.1688.v1

APA Style

Moriche, R., Artigas-Arnaudas, J., Chetwani, B., Sánchez, M., Campo, M., PROLONGO, M.G., Rams, J., Prolongo, S.G., & Ureña, A. (2024). Microhardness and Wear Behavior of Nanodiamond-Reinforced Nanocomposites for Dental Applications. Preprints. https://doi.org/10.20944/preprints202403.1688.v1

Chicago/Turabian Style

Moriche, R., Silvia González Prolongo and Alejandro Ureña. 2024 "Microhardness and Wear Behavior of Nanodiamond-Reinforced Nanocomposites for Dental Applications" Preprints. https://doi.org/10.20944/preprints202403.1688.v1

Abstract

In polymer-based dental composites, wear is a three-body wear system mainly abrasive, because of the food particles and wear products suspended in the oral cavity, which are transferred to the microcavities of the surface of the replacements. Due to this fact, the incorporation of nanodiamond as reinforcement in these polymer matrix composites, which promotes the creation of a solid lubricant tribofilm surface could be advantageous. When nanodiamond is added in contents of 0.8, 1.6 and 3.2 wt %, an increase in microhardness from 95 up to 420 %, compared to the one of neat BisGMA/TEGDMA, is observed. Additionally, the incorporation of a content of 1.6 wt % is enough to cause a diminution of ~78 % in the friction coefficient and a reduction of the specific wear rate and Archard’s coefficient of ~50 %. Nevertheless, the addition of relatively high contents reduces the effectiveness of photoinitiation and UV-curing, which is related to the scattering and absorption of UV radiation by ND.

Keywords

nanodiamond/polymer-matrix composite; wear; hardness; photocuring

Subject

Chemistry and Materials Science, Ceramics and Composites

Copyright: 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.

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