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10.3390/app10207296
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Article

Degradation of a Micro-Hybrid Dental Composite Reinforced with Polyaramide Fiber under the Influence of Cyclic Loads

by
Leszek Szalewski
1,†,
Aneta Kamińska
2,†,
Eliza Wallner
3,
Justyna Batkowska
4,
Tomasz Warda
5,
Dorota Wójcik
6,* and
Janusz Borowicz
6
1
Chair of Integrated Dentistry, Medical University of Lublin, 20-093 Lublin, Poland
2
Independent Laboratory of Dental Techniques, 20-093 Lublin, Poland
3
Chair and Department of Jaw Orthopedics, Medical University of Lublin, 20-093 Lublin, Poland
4
Institute of Biological Basis of Animal Production, University of Life Sciences in Lublin, 20-950 Lublin, Poland
5
Faculty of Mechanical Engineering, Lublin University of Technology city, 20-618 Lublin, Poland
6
Department of Dental Prosthetics, Medical University of Lublin, 20-093 Lublin, Poland
*
Author to whom correspondence should be addressed.
†
Leszek Szalewski, Aneta Kamińska—these authors contributed equally to this work.
Appl. Sci. 2020, 10(20), 7296; https://doi.org/10.3390/app10207296
Submission received: 8 September 2020 / Revised: 11 October 2020 / Accepted: 12 October 2020 / Published: 19 October 2020
(This article belongs to the Special Issue Mechanical Properties of Materials)
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Abstract

Dental composites reinforced with glass fibers have a low tensile modulus and relatively low fatigue resistance. The aim of the study was to analyze the fatigue properties of a dental composite reinforced with polyaramide fibers under the influence of a cyclic, vertical load. For this purpose, we designed a thermoformable template, corresponding to the construction of adhesive bridges in the side section of the jaw. Fifty-four composite samples were made for the study. They were divided into three groups—control (K) and two experimental groups (R1 and R2). The experimental samples were subjected to cyclic fatigue using 75 N load. The number of cycles was 4690 and 20,100. The study used a three-point bending test. Statistical analysis showed a change in elasticity in groups related to the number of load cycles. The study showed that the samples from the control group required the greatest force to break in relation to those subjected to the work cycles. The maximum force in control (K) group was 738.1 N, R1—487.8 N, and R2—451.4 N. The determined algorithm showed a change in deflection associated with the increase of force value. The study did not show any relationship between the type of sample fracture and the number of load cycles.
Keywords: composite resins; compressive strength; fixed partial denture composite resins; compressive strength; fixed partial denture

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MDPI and ACS Style

Szalewski, L.; Kamińska, A.; Wallner, E.; Batkowska, J.; Warda, T.; Wójcik, D.; Borowicz, J. Degradation of a Micro-Hybrid Dental Composite Reinforced with Polyaramide Fiber under the Influence of Cyclic Loads. Appl. Sci. 2020, 10, 7296. https://doi.org/10.3390/app10207296

AMA Style

Szalewski L, Kamińska A, Wallner E, Batkowska J, Warda T, Wójcik D, Borowicz J. Degradation of a Micro-Hybrid Dental Composite Reinforced with Polyaramide Fiber under the Influence of Cyclic Loads. Applied Sciences. 2020; 10(20):7296. https://doi.org/10.3390/app10207296

Chicago/Turabian Style

Szalewski, Leszek, Aneta Kamińska, Eliza Wallner, Justyna Batkowska, Tomasz Warda, Dorota Wójcik, and Janusz Borowicz. 2020. "Degradation of a Micro-Hybrid Dental Composite Reinforced with Polyaramide Fiber under the Influence of Cyclic Loads" Applied Sciences 10, no. 20: 7296. https://doi.org/10.3390/app10207296

APA Style

Szalewski, L., Kamińska, A., Wallner, E., Batkowska, J., Warda, T., Wójcik, D., & Borowicz, J. (2020). Degradation of a Micro-Hybrid Dental Composite Reinforced with Polyaramide Fiber under the Influence of Cyclic Loads. Applied Sciences, 10(20), 7296. https://doi.org/10.3390/app10207296

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