Influence of Abrasive Treatment on a Transformation of Zirconium Oxide Used in Dental Prosthetics

Regulska, Kinga; Januszewicz, Bartłomiej; Klimek, L.

doi:10.3390/ma15124245

Cited by 3 publications

(4 citation statements)

References 33 publications

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“…According to the literature data, depending on the sandblasting process parameters, the percentage of the monoclinic phase in treated surfaces ranges from 22% to 52%. After the grinding process using distinct types of abrasives, it was in the range of 5-16% [1,19]. In the case of mechanical treatments, the factor inducing the transformation is stress in the surface layer.…”

Section: Discussionmentioning

confidence: 99%

“…Traditional and commonly used methods of removing material from the surface include grinding, polishing and sandblasting processes. Our earlier research proved that the phase transformation from the tetragonal phase to the monoclinic one occurs to a significant extent [1,19]. Other methods, such as chemical etching, plasma etching, and laser structuring, can significantly contribute to reducing its quantity and thus improve the quality of future prosthetic restorations.…”

Section: Introductionmentioning

confidence: 95%

“…It is primarily biocompatible and characterized by high-strength properties. However, it has disadvantages-it is a brittle material, so exceptional care should be taken when working with it [1][2][3][4][5]. The KIC cracking strength of the material is about 10 MPa•m 1 / 2 , the tensile strength is 330 MPa, the bending strength is 1000-1400 MPa, and the compressive strength is about 2000 MPa [6,7].…”

Section: Introductionmentioning

confidence: 99%

“…According to the literature data, depending on the parameters of the sandblasting process, the percentage of the monoclinic phase in the treated surfaces ranges from 22% to 52%. After the grinding process which involves the use of diverse types of abrasives, it is in the range of 5-16% [1,19,20]. The tetragonal phase and the monoclinic phase differ in specific volume, so stresses are generated during the transformation that may cause the destruction of the material.…”

Section: Introductionmentioning

confidence: 99%

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Influence of Non-Invasive Zirconium Oxide Surface Treatment on Phase Changes

Regulska,

Januszewicz,

Jędrzejczak

et al. 2024

Ceramics

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The aim of the research was to find a zirconia treatment method that would reduce or minimize the transformation from the tetragonal phase to the monoclinic phase. Background: Yttria-stabilized zirconia is increasingly chosen for the base of permanent prosthetic restorations. To achieve a good bond between the prosthetic cup and the veneer material, the material must be treated to achieve surface development. This is a mechanical process, during which an unfavorable transformation from the tetragonal into the monoclinic phase takes place, which leads to the weakening of the internal structure of zirconium dioxide, and later damages the prosthetic restoration. Methods: The tested material consisted of cylindrical samples of 3Y-TZP CeramillZi zirconium oxide, which were sintered after cutting out from the block. After sintering, the samples were subjected to the following types of processing: laser structuring, chemical etching and plasma etching. After the surface treatments, the samples were subjected to diffraction tests to determine the phase composition. Next, the wettability was tested to determine the surface free energy. Results: On the basis of the conducted tests, it was noticed that the applied treatments caused a phase transformation from the tetragonal to the monoclinic phase. After the process of chemical etching, the range of the monoclinic phase for the sample was 5%; after plasma etching, it was 8%, and after laser structuring, it was 2%. In addition, post-surface free energy studies have shown that zirconia is wetted better with an apolar than a polar liquid. Conclusions: The obtained results indicate that the transformation was minimized with the treatments we applied; that is why they are called non-invasive methods. According to the literature data, depending on the parameters of the sandblasting process, the percentage of the monoclinic phase in the treated surfaces ranges from 22% to 52%, which confirms the above-mentioned conclusion.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Influence of Non-Invasive Zirconium Oxide Surface Treatment on Phase Changes

Regulska,

Januszewicz,

Jędrzejczak

et al. 2024

Ceramics

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Study the Influence of Zirconium Oxide Nanofillers on the Transverse and Impact Stresses of Heat-Cure Acrylic Resin Polymerization

Alfahdawi

Abdulateef

2023

Preprint

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Objective: Despite being the more material widely using in dental field for the construction of removable prosthesis base, it is not sufficient for meet ideal functional requirement for dental restorations. Purpose: The goal of this research was to see how various concentrations of zirconium oxide (ZrO2) nanofiller powder (2%, 4%, 6%, & 8%) affected the transverse and impact strengths of hot-cured polymer resin polymerization. Procedure: ZrO2 powder samples of various doses (2%, 4%, 6%, & 8%) are embedded within hot-cured acrylic resin as well as handled under optimized conditions (L/P ratio of 1:3 (by volume), traditional packing process, and short curing cycle (90 minutes with 74 ºC then for 30 minutes with 100 ºC) was using to fabricate samples of PMMA of dimensions (65 x 10 x 2.5 mm) for the transverse strength and (60 x 7 x 4mm) for the impact strength. Polymethyl methacrylate with no additives has been prepared as an original approach. All specimens had been exposed to two types of mechanical examinations: transverse stress and impact stress. Transverse stress (MPa) in addition to impact stress (J) values are collect, tabulated, as well as statistical analyze. To evaluate significant among range for the experimental samples, each ANOVA as well as Tukey's examinations are being used, that are statistical significance whenever the probability values are 0.05. Results: The adding of ZrO2 nanofillers for polymethyl methacrylate elevated its transverse and impact strengths significantly. Conclusion: Polymethyl methacrylate and zirconium oxide nanofillers does have the possibility to serve as a credible denture base material with increased transverse and impact strengths. Material characteristics have been enhanced by incorporating 8% weight percent ZrO2 concentration, according to the report's findings.

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