Tribology and Materials | Volume 1 | Issue 1 | 2022 | 27-34
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https://doi.org/10.46793/tribomat.2022.004
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Wear and friction characterisation of some restorative dental materials
Florencio S. Martínez-Cruz1, Manuel Vite-Torres
1,
Alejandra Moran-Reyes2, Jorge A. Bravo-Mejía3
1 Instituto Politécnico
Nacional, SEPI-ESIME, UZ, Mexico City, Mexico
2 Universidad Nacional Autónoma de México, Facultad de
Odontología, Mexico City, Mexico
3 ISAAC Dental Laboratory, Mexico City, Mexico
Abstract: Dental wear is a complex field of tribology study, due
to the combination of wear mechanisms, such as attrition, abrasion,
erosion, and abfraction. The aim of the work was the study the wear in
dental restorative materials, using a reciprocate tester in order to
simulate the attrition in the oral cavity. This phenomenon occurs when
sliding tooth against tooth, which generates considerable wear in the
area of dental occlusion in the closed phase of mastication, and in the
presence of parafunction such as bruxism. The experiments were performed
employing ceramic (Ceramco 3), dental silver and, composite (Filtek Z350
XT) as restorative materials and nickel-chrome alloy as counter-body,
using a reciprocating tribometer manufactured according to some
parameters of standard ASTM G133-05. The geometrical configuration was a
sphere on a flat plane. The experimental results obtained were volume
loss and coefficient of friction of the different dental restorative
materials. Also, wear mechanisms like plastic deformation, cracks, and
delamination between others could be identified.
Keywords:
dental wear, attrition, dental restorative material, reciprocating
movement, wear mechanisms.
Received: 11-01-2022, Revised: 22-02-2022, Accepted: 04-03-2022
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license, which allows users to distribute, remix, adapt,
and build upon the material in any medium or format for non-commercial purposes only, and only so long as attribution is given to the creator.
2 Universidad Nacional Autónoma de México, Facultad de Odontología, Mexico City, Mexico
3 ISAAC Dental Laboratory, Mexico City, Mexico
Abstract: Dental wear is a complex field of tribology study, due to the combination of wear mechanisms, such as attrition, abrasion, erosion, and abfraction. The aim of the work was the study the wear in dental restorative materials, using a reciprocate tester in order to simulate the attrition in the oral cavity. This phenomenon occurs when sliding tooth against tooth, which generates considerable wear in the area of dental occlusion in the closed phase of mastication, and in the presence of parafunction such as bruxism. The experiments were performed employing ceramic (Ceramco 3), dental silver and, composite (Filtek Z350 XT) as restorative materials and nickel-chrome alloy as counter-body, using a reciprocating tribometer manufactured according to some parameters of standard ASTM G133-05. The geometrical configuration was a sphere on a flat plane. The experimental results obtained were volume loss and coefficient of friction of the different dental restorative materials. Also, wear mechanisms like plastic deformation, cracks, and delamination between others could be identified.
Keywords: dental wear, attrition, dental restorative material, reciprocating movement, wear mechanisms.
Received: 11-01-2022, Revised: 22-02-2022, Accepted: 04-03-2022
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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license, which allows users to distribute, remix, adapt, and build upon the material in any medium or format for non-commercial purposes only, and only so long as attribution is given to the creator.