The effect of zirconia surface architecturing technique on the zirconia/veneer interfacial bond strength

Her, Soo Bok; Kim, Kyoung Hun; Park, Sang Eun; Park, Eun Jin

doi:10.4047/jap.2018.10.4.259

Cited by 8 publications

(5 citation statements)

References 30 publications

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“…The results of research by Bassir et al [1], Preis et al [6], Yener [18], and Her [24] stated that glazing did not increase the flexural strength, indicating that glazing did not cause changes in the flexural strength of the zirconia samples [3]. The Firing of ceramics after occlusal adjustment also showed the same result did not increase flexural strength [1,26].…”

Section: Discussionmentioning

confidence: 94%

“…Whereas heat treatments conduce a phase change of zirconia from a monoclinic to a tetragonal phase. All treatment procedures can cause stress concentrations on the zirconia surface [19,23,24]. Guazatto et al [25] concluded that an increase in the flexural strength of zirconia was associated with an increase in the number of monoclinic phases after surface treatment.…”

Section: Discussionmentioning

confidence: 99%

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The Effect of Glazing, Reglazing, and Polishing on Zirconia Biaxial Flexural Strength

Farhani

Sumarsongko

Damayanti

2022

SSP

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Zirconia restorations are usually coated with glazing to provide an aesthetic and reduce wear on opposing teeth. Occlusal adjustments such as grinding and polishing to eliminate occlusal or internal interferences can affect the mechanical properties of zirconia. The purpose of this study was to evaluate the effect of glazing, reglazing, and polishing procedures on the biaxial flexural strength of zirconia ceramic. This experimental study used 20 samples of zirconia discs (12x1,2 mm), which were divided into fourth groups (n=5). The first group was zirconia discs without treatment as control, the second group with glazing treatment, the third group with reglazing treatment, and the fourth group with polishing treatment. Biaxial flexural strength was determined using a piston on three balls technique. The data were analyzed using 1-way ANOVA and t-test. The results of this study showed no statistically significant difference between the group with glazing, reglazing, polishing and the control group (p>0.05). The highest zirconia biaxial flexural strength was found in the polished group but not significant statistically (1913.64 ± 594.28 MPa). The reglazing group with the lowest average biaxial flexural strength was (1413.01 ± 365.66 MPa). It can be concluded that there were no differences in biaxial flexural strength between the polishing, glazing, and reglazing group. The use of polishing can be an alternative technique to improve aesthetics besides glazing and reglazing because it does not impair the biaxial flexural strength of zirconia.

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Section: Discussionmentioning

confidence: 94%

Section: Discussionmentioning

confidence: 99%

The Effect of Glazing, Reglazing, and Polishing on Zirconia Biaxial Flexural Strength

Farhani

Sumarsongko

Damayanti

2022

SSP

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“…The findings showed that zircos-E increased the surface roughness of zirconia, and increased interfacial bond strength between zirconia and veneering porcelain. The optimum etching time was 2 hours [28].…”

Section: Chemical Etchingmentioning

confidence: 99%

Dealing with the Internal and External Surfaces of Zirconia Restorations; between Past and Present Trends. A Review of Literature

El-Ashkar¹,

Nabil²

2022

Act Scie Dental

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Objectives:The optimum zirconia bonding protocol have been always a mystery to be solved throughout the past years. The purpose of this review is to go through the innumerable surface treatment methods and protocols concerned with the both internal and external zirconia surface treatment.Study selection, Data and Sources: An electronic Pubmed, Medline and Google scholar search was done to attain In-vitro studies on zirconia surface treatments published in english, with time frame between 2013 and 2020.Results: Hundred thirty-two in vitro studies and systematic reviews were surveyed in this appraisal. Numerous techniques were used for zirconia surface modifications, these methodologies were categorized and grouped in this review according to the surface modified. Laboratory test studies discuss internal surface treatments including micro-mechanical bonding, chemical bonding and external surface treatment including different core surface treatment, glazing and polishing. Conclusions:With respect to the heterogeneity of the included studies; the internal surface treatment, most of the included studies verified the air particle abrasion as the generally approved micro-mechanical topographic modification protocol. Other internal surface treatment protocols as chemical etching showed promising results in laboratory studies with inadequacy of clinical application.The external surface studies verified different methods over others. However, self-glazed zirconia studies are scarce.

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“…All-ceramic fixed crown restorations are a popular patient choice due to the aesthetic properties similar to the natural teeth 1. For zirconia, the improved mechanical properties including strength and the physical properties such as its color similar to human teeth make the material more predominant than other ceramics in diverse research fields, in particular, various dental applications 2.…”

Section: Introductionmentioning

confidence: 99%

Effects of different surface treatments on the shear bond strength of veneering ceramic materials to zirconia

Abdullah

Sun

et al. 2019

J Adv Prosthodont

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PURPOSE To evaluate and compare the effect of different materials and techniques on the shear bond strength of veneering ceramic materials to zirconia. MATERIALS AND METHODS 136 sintered zirconia cubes were prepared and randomly divided into four study groups according to corresponding methods of surface treatment and materials: GLN (grinding followed by laser scanning using Noritake Cerabien ZR), SLN (sandblasting followed by laser scanning using Noritake Cerabien ZR), GLV (grinding followed by laser scanning using VITA VM 9), and SLV (sandblasting followed by laser scanning using VITA VM 9). Spraying technique was performed to coat the core. Profilometer, SEM, XRD, EDS, universal testing machine, and stereomicroscope were used to record surface roughness Ra , surface morphology, phase transformation, elemental compositions, shear bond strength SBS values, and failure types, respectively. Specimens were investigated in unaged (not immersed in artificial saliva) and aged (stored in artificial saliva for a month) conditions to evaluate SBS values. RESULTS Grinding and GLN as first and second surface treatments provided satisfactory Ra values in both conditions (1.05 ± 0.24 µm, 1.30 ± 0.21 µm) compared to sandblasting and other groups ( P <.05). The group GLN showed the highest SBS values in both conditions (30.97 ± 3.12 MPa, 29.09 ± 4.17 MPa), while group SLV recorded the lowest (23.96 ± 3.60 MPa, 22.95 ± 3.68 Mpa) ( P <.05). Sandblasting showed phase transformation from t-m. Mixed failure type was the commonest among all groups. CONCLUSION GLN showed to be a reliable method which provided satisfactory bond strength between the veneer ceramic and zirconia. This method might preserve the integrity of fixed dental crowns.

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The effect of zirconia surface architecturing technique on the zirconia/veneer interfacial bond strength

Cited by 8 publications

References 30 publications

The Effect of Glazing, Reglazing, and Polishing on Zirconia Biaxial Flexural Strength

The Effect of Glazing, Reglazing, and Polishing on Zirconia Biaxial Flexural Strength

Dealing with the Internal and External Surfaces of Zirconia Restorations; between Past and Present Trends. A Review of Literature

Effects of different surface treatments on the shear bond strength of veneering ceramic materials to zirconia

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