Abrasive and sliding wear of resin composites for dental restorations

Souza, Júlio C. M.; Bentes, Ana Catarina Fernandes; Reis, Kelly; Gavinha, Sandra; Buciumeanu, M.; Henriques, Bruno; Silva, Filipe; Gomes, J.R.

doi:10.1016/j.triboint.2016.05.035

Cited by 62 publications

(50 citation statements)

References 23 publications

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“…The increasing number of new RBCs forces the need for long-term in vivo wear, and it is still crucial to prove it in reliable in vitro testing [35]. The wear process is complex, and it is the result of a combination of sliding friction and three-body abrasion [36][37][38], which occur not only in the physiological process of chewing, but also in pathological bruxism. The rate of abrasive wear can be affected by TCs [12].…”

Section: Of 18mentioning

confidence: 99%

“…In the research presented in this work, a Rockwell indenter was used. According to [36], unlike using a spherical indenter, the undoubted advantage of testing with a sharp indenter, such as a Rockwell indenter, is a good chance of contact of the indenter with at least some nanofiller particles. In this case, the Hertz contact surface is only about 5 times larger than the average particle size of the filler.…”

Section: Scratch Testsmentioning

confidence: 99%

“…The following stages of particle formation are listed as following: nucleation of microdefects, coalescence of microdeffects into a microgap, propagation of the crack gap, up to the exit to friction surfaces, detachment of wear products in the form of plates (flakes) [66]. In [36], it was found that delamination is associated with the formation of wear products in the form of patches and the main mechanism of flake formation is subsurface microcracks developing as a result of shearing in the soft polymer phase. The size of wear products in the form of patches depends on the propagation of subsurface cracks, which in turn is related to the level of normal and tangential loads to the surface [36].…”

Section: Sliding Wearmentioning

confidence: 99%

“…In [36], it was found that delamination is associated with the formation of wear products in the form of patches and the main mechanism of flake formation is subsurface microcracks developing as a result of shearing in the soft polymer phase. The size of wear products in the form of patches depends on the propagation of subsurface cracks, which in turn is related to the level of normal and tangential loads to the surface [36]. In addition, in [14], the process of the formation of RBCs surface wear products was described.…”

Section: Sliding Wearmentioning

confidence: 99%

See 3 more Smart Citations

Hardness and Wear Resistance of Dental Biomedical Nanomaterials in a Humid Environment with Non-Stationary Temperatures

Pieniak

Walczak

et al. 2020

Materials

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This study discusses a quantitative fatigue evaluation of polymer–ceramic composites for dental restorations, i.e., commercial material (Filtek Z550) and experimental materials Ex-nano (G), Ex-flow (G). Their evaluation is based on the following descriptors: microhardness, scratch resistance, and sliding wear. In order to reflect factors of environmental degradation conditions, thermal fatigue was simulated with a special computer-controlled device performing algorithms of thermocycling. Specimens intended for the surface strength and wear tests underwent 104 hydrothermal fatigue cycles. Thermocycling was preceded by aging, which meant immersing the specimens in artificial saliva at 37 °C for 30 days. Microhardness tests were performed with the Vickers hardness test method. The scratch test was done with a Rockwell diamond cone indenter. Sliding ball-on-disc friction tests were performed against an alumina ball in the presence of artificial saliva. A direct positive correlation was found between thermocycling fatigue and microhardness. The dominant mechanism of the wear of the experimental composites after thermocycling is the removal of fragments of the materials in the form of flakes from the friction surface (spalling). Hydrothermal fatigue is synergistic with mechanical fatigue.

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Section: Of 18mentioning

confidence: 99%

Section: Scratch Testsmentioning

confidence: 99%

Section: Sliding Wearmentioning

confidence: 99%

Section: Sliding Wearmentioning

confidence: 99%

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Hardness and Wear Resistance of Dental Biomedical Nanomaterials in a Humid Environment with Non-Stationary Temperatures

Pieniak

Walczak

et al. 2020

Materials

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“…The dental alloy type, intraoral environment, chewing behavior and antagonist structure can play an important role of wear resistance. In many studies in the literature two-and three-body wear behavior of base composite material is evaluated while wear behavior of cp-Ti and Ti alloys material has been ignored [3,9,10]. Thus, the aim of this study is to investigate the three-body wear resistance and hardness of pure titanium and titanium alloys containing zirconium and tantalum.…”

Section: Introductionmentioning

confidence: 99%

Investigation of three‐body wear behavior and hardness of experimental titanium alloys for dental applications in oral environment

Yilmaz

2020

Materialwissenschaft Werkst

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The aim of this study was to investigate the three‐body wear resistance and hardness of commercially pure titanium and titanium alloys containing zirconium and tantalum (cp‐Ti, Ti‐5Zr and Ti‐5Ta). Each titanium test group, were subjected to wear tests under 105 wear cycles, 50 N mechanical force, 2.0 Hz wear frequency, 6 mm diameter Al2O3 antagonist ball, 5 °C/55 °C thermal change conditions immersed in poppy seed slurry as third‐body medium. The mean wear volume loss and depth of all test specimens after the three‐body wear tests was determined with use non‐contact 3D profilometer and also Vicker's hardness was measured. Wear area of microstructures were evaluated using scanning electron microscopy (SEM) and x‐ray diffraction (XRD) analysis. The hardness of Ti‐5Zr material was significantly greater than the other alloy material and cp‐Ti. However, for the test materials in this study considered, correlations between the three‐body wear resistance and hardness were found to be insignificant. It was concluded, the three‐body wear resistance of the alloy formed with the adding of zirconium and tantalum to the pure titanium is increased after wear tests.

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Biomimetic Fe‐hydroxyapatite nanoparticle‐reinforced bisphenol A‐glycol methacrylate/triethyleneglycol‐dimethacrylate resins for dental restorative application

Ning

Zheng

Yang

et al. 2021

J of Applied Polymer Sci

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Commercial bisphenol A‐glycol methacrylate (BisGMA)/triethyleneglycol‐dimethacrylate (TEGDMA) have been widely used as dental restorative material; however, the poor mechanical and anti‐wear properties greatly limited their applied range. In this study, iron‐containing hydroxyapatite (FeHA) nanoparticles that mimic the chemical composition and microstructure of natural bamboo rat incisor enamel were synthesized and used as reinforcement in BisGMA/TEGDMA resins. The as‐prepared polycrystalline FeHA have a rod like morphology with uniformly dispersed iron. The effects of nanoparticle–resin weight ratios on the mechanical properties, tribological properties, and bioactivity of FeHA‐BisGMA/TEGDMA resins were investigated. In vitro bioactivity of the studied resin composites in artificial saliva showed that a dense and continuous apatite layer was formed on the surface of the resin composite. Findings revealed that doping a suitable content of FeHA nanoparticle, especially at 0.75 wt% FeHA, would significantly improve the tribological and mechanical properties as well as bioactivity of the dental resin composites.

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Abrasive and sliding wear of resin composites for dental restorations

Cited by 62 publications

References 23 publications

Hardness and Wear Resistance of Dental Biomedical Nanomaterials in a Humid Environment with Non-Stationary Temperatures

Hardness and Wear Resistance of Dental Biomedical Nanomaterials in a Humid Environment with Non-Stationary Temperatures

Investigation of three‐body wear behavior and hardness of experimental titanium alloys for dental applications in oral environment

Biomimetic Fe‐hydroxyapatite nanoparticle‐reinforced bisphenol A‐glycol methacrylate/triethyleneglycol‐dimethacrylate resins for dental restorative application

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