head JofIMAB
Journal of IMAB - Annual Proceeding (Scientific Papers)
Publisher: Peytchinski Publishing Ltd.
ISSN: 1312-773X (Online)
Issue: 2021, vol. 27, issue2
Subject Area: Dental Medicine
DOI: 10.5272/jimab.2021272.3700
Published online: 21 April 2021

Original article

J of IMAB. 2021 Apr-Jun;27(2):3700-3706
Valeriya Aleksandrova1ORCID logo Corresponding Autoremail, Neshka Manchorova1ORCID logo, Svetlin Aleksandrov2ORCID logo,
1) Department of Operative Dentistry and Endodontics, Faculty of Dental Medicine, Medical University-Plovdiv, Bulgaria.
2) Department of Prosthetic Dentistry, Faculty of Dental Medicine, Medical University-Plovdiv, Bulgaria.

Objective: The objective of our research is to study the tribological behaviour of two types of commercially available resin-based composite materials.
Material and method: An original experimental model for tribological studies of dental materials in standard test conditions was applied. Two types of resin-based composite materials indicated for the treatment of dental caries in the distal area were used: a micro-hybrid resin-based composite material (Gradia Direct posterior); packable resin-based composite material (Filtek P60). Metal alloy (Duceralloy C) was used for positive control. Total 18 test samples (n=9 for each material) were subject to: micro scratch resistance test in 1N, 5N, 9N mode; friction resistance "Ball-on-Flat" test at 120,000/240,000 cycles loaded on 50N.
Results: When the maximum load was applied, Gradia Direct posterior had higher values of scratch depths (40, 23 µm) than Filtek P60 (25,13 µm). The micro-hybrid composite exhibited less wear resistance that decreased with increasing time and friction cycles (13 µm after 30 min/120,000 cycles; 18 µm ether 60 min/240,000 cycles). The examined surfaces of the test specimens were visualized by optical microscopy after micro scratch and friction test and by 3D profilometry of all tested samples after 240,000 wear cycles.
Conclusion: Results in this field might clarify the mechanisms of wear and provide additional information on the expected changes in the studied materials in clinical practice.

Keywords: dental tribology, original experimental model, "Ball-on-Flat" test, 3D profilometry,

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Please cite this article as: Aleksandrova V, Manchorova N, Aleksandrov S. Tribological tests of Resin-Based Composite Materials: a design study. J of IMAB. 2021 Apr-Jun;27(1):3700-3706.
DOI: 10.5272/jimab.2021272.3700

Corresponding AutorCorrespondence to: Valeriya Aleksandrova, Operative Dentistry and Endodontics, Faculty of Dental Medicine, Medical University-Plovdiv; 3, Hristo Botev str., Plovdiv, Bulgaria; E-mail: v.al2@abv.bg

1. Laluque J-F, Brocard D, d'Incau E. Understanding of Bruxism: Current knowledge and practice. 1st edition. Quintessence Publishing Co., Inc. January 1, 2018. pp.3-8. [Internet]
2. Lavigne G, Montplaisir J. Bruxism: epidemiology, diagnosis pathophysiology and pharmacology. Adv Pain Res Therapy. 1995; 21:387-92.
3. Zhou ZR, Zheng J. Tribology of dental materials: a review. J Phys D: Appl Phys. 2008 May 13;41(11):113001. [Crossref]
4. Ghinea R, Ugarte-Alvan L, Yebra A, Pecho OE,  Paravina RD, Perez M, et al. Influence of surface roughness on the color of dental-resin composites. J Zhejiang Univ Sci B. 2011 Jul;12(7):552-62. [PubMed]
5. Turssi CP, Faraoni-Romano JJ, de Menezes M, Serra MC. Comparative study of the wear behavior of composites for posterior restorations. J Mater Sci Mater Med. 2007;18:143-7.
6. Shi L, Wang X, Zhao Q, Zhang Y, Zhang L,  Ren Y, et al. Evaluation of packable and conventional hybrid resin composites in Class I restorations: three-year results of a randomized, double-blind and controlled clinical trial. Oper Dent. 2010 Jan-Feb;35(1):11-9. [PubMed]
7. Borovanska I, Tsekov Yu, Angelov V, Ivanov E, Kotsilkova R, Djoumaliisky S. Tribological measurements of polypropylene nanocomposites by scratch and friction tests. Tribological Journal Bultrib. 2013; 3:226-35.
8. Petrova I, Ivanov E, Kotsilkova R, Tsekov Y, Angelov V. Applied study on mechanics of nanocomposites with carbon nanofillers. JTAM, Sofia. 2013; 43(3):67-76.
9. Almeida JC, Wacha A, Gomes PS, Alves LC, Fernandes MH, Salvado IM, et al. A biocompatible hybrid material with simultaneous calcium and strontium release capability for bone tissue repair. Mater Sci Eng C Mater Biol Appl. 2016 May;62:429-38. [PubMed] [Crossref
10. Lademann J, Vergou T, Darvin ME, Patzelt A, Meinke MC, Voit C, et al. Influence of Topical, Systemic and Combined Application of Antioxidants on the Barrier Properties of the Human Skin. Skin Pharmacol Physiol. 2016; 29(1):41-6.  [PubMed] [Crossref]
11. Fleming GJ, Reilly E, Dowling AH, Addison O. Data acquisition variability using profilometry to produce accurate mean total volumetric wear and mean maximum wear depth measurements for the OHSU oral wear simulator. Dent Mater. 2016 Aug;32(8):e176-84. [PubMed] [Crossref]

Received: 30 July 2020
Published online: 21 April 2021

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