Influence of Different Surface Pretreatments of Zirconium Dioxide Reinforced Lithium Disilicate Ceramics on the Shear Bond Strength of Self-Adhesive Resin Cement

Komar, Danijel; Bago, Ivona; Vranić, Dubravka Negovetić; Kranjčić, Josip; Brkić, Bruna; Carek, Andreja

doi:10.15644/asc55/3/4

Cited by 7 publications

(7 citation statements)

References 36 publications

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“…In recent years, various surface treatments have been proposed, such as airborne particle abrasion with alumina particles, tribochemical silica coating tribochemical silica coating, laser irradiation, or chemical etching, which lead to an increase in the surface roughness of zirconium oxide, improving the micromechanical bond between cement and zirconia. 63 64 65 66 67 68 However, various studies have reported possible damage to the surface of zirconia caused by air-abrasion methods. 66 67 69 To overcome this problem, alternative methods are introduced such as chemical promoters and zirconium-specific organophosphate/carboxylic acid monomer resin cements, which are considered chemical surface treatments.…”

Section: Discussionmentioning

confidence: 99%

Biomechanical Analysis of Mandibular Premolar Restored with Different Custom Post Core

Gavranović-Glamoč,

Jakupović,

Cerjaković

et al. 2024

European Journal of General Dentistry

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Objective This study investigated biomechanical behavior of custom post core made of six different materials on the tooth with and without the ferrule under different occlusal load. Materials and Methods Three-dimensional models of mandibular first premolar, with and without ferrule, reconstructed from micro-computed tomography image are restored with different custom post core and zirconia crowns. By using the finite element analysis, von Mises stress shown in MPa was measured under simulated axial and oblique load of 200 [N]. To compare the stress distribution, six different custom post core materials were chosen: zirconia, Ni-Cr alloy, gold alloy, glass fiber-polyether ether ketone, polyether ether ketone, and carbon fiber-polyether ether ketone. Results Custom post cores with a higher modulus of elasticity showed higher measured stress in the posts, but less stress in dentin. Measured stress in custom post core under oblique loading was approximately three times higher compared with axial loading. Stress in custom post core and in dentin under both types of loads was slightly higher in teeth without ferrule effect. Conclusion The use of custom cast post cores made of different alloys is recommended in restoration of endodontically treated teeth, with extensive loss of tooth structure especially in teeth without ferrule effect.

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Section: Discussionmentioning

confidence: 99%

Biomechanical Analysis of Mandibular Premolar Restored with Different Custom Post Core

Gavranović-Glamoč,

Jakupović,

Cerjaković

et al. 2024

European Journal of General Dentistry

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“…Pretreatments with the laser could also result in better shear adhesion of dental materials. Therefore, lasers are now an indispensable part of the dental industry [23,[25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Metal Ions Release from Welded Co—Cr Dental Alloys

2023

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Cobalt–chromium alloys (Co-Cr) are widely used in dentistry due to their excellent mechanical properties and corrosion resistance. Since prosthetic materials must be permanently stable in the oral cavity, it is very important to determine the release of ions from alloys in the oral cavity. In dentistry today, metals and alloys are mainly joined by laser and tungsten inert gas (TIG) welding. Therefore, in this work, the release of metal ions from six different Co-Cr alloys joined by these two welding methods was quantified to determine the effects of the welding method on an ion release. Static immersion tests, atomic absorption spectrometry and statistical analysis were performed for this purpose. The results showed that laser-welded alloys release a lower amount of metal ions compared to TIG-welded alloys.

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“…Furthermore, unlike zirconium oxide, ZLS can be etched and cemented with adhesive systems. This is another advantage of ZLS, as the fracture resistance of adhesively cemented crowns is higher than that of conventionally cemented ones [7].…”

Section: Introductionmentioning

confidence: 99%

“…Conventional protocols include hydrofluoric acid (HF) etching, sandblasting, silanisation and combinations thereof, while laser protocols use Nd:YAG (neodymium-doped yttrium aluminum garnet) and Er:YAG lasers. Etching and silanisation were considered the "gold standard" for bonding composite cement to ceramic, as the acid HF creates a mechanical bond and the silane creates a chemical bond [7]. Laser irradiation is considered a modern method for treating ceramic surfaces.…”

Section: Introductionmentioning

confidence: 99%

Roughness of the Surface of Zirconia Reinforced Lithium Disilicate Ceramic Treated by Different Procedures

et al. 2022

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Lithium disilicate and zirconia are the two most popular materials for aesthetic and dental prosthetic work; however, due to their limitations, a new material is being researched, namely zirconia-reinforced lithium disilicate, the surface of which is treated with different procedures to achieve the best possible surface properties. In this study, the surface of zirconia-reinforced lithium disilicate glass-ceramic was treated using different methods (conventional and laser) to determine the effects of the treatment procedures on the surface properties and surface roughness to achieve a higher strength of adhesion from the self-adhesive resin cement to zirconia-reinforced lithium disilicate. The treated surfaces were investigated using profilometry, X-ray diffraction and energy dispersive X-ray fluorescence. The results obtained were statistically evaluated. The results show that the surface roughness is highest for the samples treated with Er:YAG (erbium-doped yttrium aluminium garnet laser) and silanisation. Furthermore, the surface treatment procedures applied did not change the composition of the surface.

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Influence of Different Surface Pretreatments of Zirconium Dioxide Reinforced Lithium Disilicate Ceramics on the Shear Bond Strength of Self-Adhesive Resin Cement

Cited by 7 publications

References 36 publications

Biomechanical Analysis of Mandibular Premolar Restored with Different Custom Post Core

Biomechanical Analysis of Mandibular Premolar Restored with Different Custom Post Core

Metal Ions Release from Welded Co—Cr Dental Alloys

Roughness of the Surface of Zirconia Reinforced Lithium Disilicate Ceramic Treated by Different Procedures

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