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Effects of microstructural change of zirconia surface on tensile bond strength with resin cement

Kang JG, Kim TY, Lee JH, Ji JH, Lee MH, Bae TS, Ahn SG

This study was performed to evaluate the effects of microstructural change of zirconia surface on tensile bond strength with resin cement. The zirconia partially sintered block was cut into a...
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Comparison of surface topography and roughness in different yttrium oxide compositions of dental zirconia after grinding and polishing

Shin HS, Lee JS

PURPOSE The purpose of this study was to compare the surface roughness, phase transformation, and surface topography of dental zirconia with three different yttrium oxide compositions under same grinding and...
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Microhardness of resin cements after light activation through various translucencies of monolithic zirconia

Pechteewang S, Salimee P

PURPOSE This study aimed to investigate the Vickers Hardness Number (VHN) of light- and dual cured resin cements cured through monolithic zirconia specimens (VITA YZ) of various translucencies: translucent (T);...
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Microshear bond strength of dual-cure resin cement in zirconia after different cleaning techniques: an in vitro study

Atoche-Socola KJ, Arriola-Guillén LE, López-Flores AI, Garcia IM, Huertas-Mogollón G, Collares FM, Branco Leitune VC

PURPOSE This study aimed to compare the microshear bond strength (µSBS) of dual-cure resin cement in CAD-CAM zirconia after different cleaning techniques. MATERIALS AND METHODS Fifty discs of zirconia-based ceramic from...
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An evaluation of the stress effect of different occlusion concepts on hybrid abutment and implant supported monolithic zirconia fixed prosthesis: A finite element analysis

Yesilyurt NG, Tuncdemir AR

PURPOSE The aim of this study is to evaluate the effects of canine guidance occlusion and group function occlusion on the degree of stress to the bone, implants, abutments, and...
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Correlation between microhardness and wear resistance of dental alloys against monolithic zirconia

Cha MS, Lee SW, Huh YH, Cho LR, Park CJ

Purpose: The aim of this study is to compare the hardness according to the conditions of metal alloys. Moreover, the correlation between the cast crown hardness before and after wear...
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Effect of coloring liquids on biaxial flexural strength of monolithic zirconia

Jung C, Kim MJ, Kim JH

Purpose. The aim of this study was to evaluate biaxial flexural strength and hardness of colored monolithic zirconia after dipping in different time intervals of coloring solution. Materials and Methods....
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Comparison of shear bond strength according to various surface treatment methods of zirconia and resin cement types

Bae JH, Bae GH, Park T, Huh JB, Choi JW

Purpose: The aim of this study was to evaluate the effects of four surface treatment methods to improve zirconia roughness and three types of resin cement on the shear bond...
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Effect of the cooling rate on characteristics of zirconia core ceramics during porcelain firing

Cho MH, Seol HJ

The effect of the cooling rate on changes in hardness, flexural strength, and microstructure of zirconia core ceramics was investigated during simulated porcelain firing without layering porcelain on the zirconia...
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Color comparison of glaze-treated multi-coloured lithium disilicate and zirconia

Hwang B, Ji JH, Park CS, Shin J, Lee J, Lee MH, Bae TS

The purpose of this study was to investigate the effect of glazing treatment of multi-colored zirconia disc and lithium disilicate block on the optical properties. From an Ultra Translucent Multi-Layered...
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Full mouth rehabilitation with vertical dimension increase in patient with severly worn dentition

Jo WS, Kim SA, Kim SY, Bang JH

Excessive pathological attrition over the entire dentition can cause decreased masticatory function, and pathological problems of the temporomandibular joint and the muscular nervous system. In this case, 71 year-old male...
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Impact of multiple firings and resin cement type on shear bond strength between zirconia and resin cements

Oğuz E, Özgür ME, Sungur S, Üçtaşlı S

PURPOSE. The aim of this study was to evaluate the effect of multiple firings on the bond strength between yttriatetragonal zirconia polycrystals (Y-TZP) and 2 types of resin cements. MATERIALS...
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Effect of core design on fracture resistance of zirconia-lithium disilicate anterior bilayered crowns

Ko KH, Park CJ, Cho LR, Huh YH

PURPOSE. The effect of core design on the fracture resistance of zirconia-lithium disilicate (LS2) bilayered crowns for anterior teeth is evaluated by comparing with that of metal-ceramic crowns. MATERIALS AND...
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The Effect of ZrO2 Slurry Application to the Pre-sintered Zirconia Surface on Bonding Strength

Jo YB, Ahn JJ, Lee SH, Park T, Huh JB

Purpose: This study was conducted to evaluate the roughness changes of zirconia surface after applying three different concentrations of ZrO2 slurry (ZirADD, PNUADD, Busan, Korea) to the pre-sintered zirconia surface...
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Color changes of monolithic zirconia block before and after sintering

Kim SJ, Jo CW

The aim of this study was to compare the color changes of three monolithic zirconia blocks by two shades before and after sintering. A total of 60 cuboid-shaped HT (H)...
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The biocompatibility and mechanical properties of plasma sprayed zirconia coated abutment

Huang Z, Wang Z, Yin K, Li C, Guo M, Lan J

PURPOSE. The aim of this study was to evaluate the clinical performance and reliability of plasma sprayed nanostructured zirconia (NSZ) coating. MATERIALS AND METHODS. This study consisted of three areas...
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Study of the fracture resistance of zirconia on posterior fixed partial dentures based on inter-abutment distance

Park GB, Shin SY

Purpose: Zirconia fixed partial dentures with mandibular 2nd premolar and 2nd molar as abutments are fabricated and then the effects of inter-abutment distance on fracture resistance of zirconia fixed partial...
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Flexural strength and reliability of highly translucent colored zirconia

Kong HJ

Purpose: The purpose of this study was to evaluate the flexural strength and reliability of highly translucent colored zirconia for all ceramic restoration. Materials and Methods: Bar-shaped specimens (25 ×...
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The effects of repetitive firing processes on the optical, thermal, and phase formation changes of zirconia

Ozdogan A, Ozdemir H

PURPOSE: The aim of this study was to investigate the effect of different numbers of heat treatments applied to superstructure porcelain on optical, thermal, and phase formation properties of zirconia. MATERIALS...
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Influence of zirconia and lithium disilicate tooth- or implant-supported crowns on wear of antagonistic and adjacent teeth

Rosentritt M, Schumann F, Krifka S, Preis V

PURPOSE: To investigate the influence of crown material (lithium-disilicate, 3Y-TZP zirconia) and abutment type (rigid implant, resin tooth with artificial periodontium) on wear performance of their antagonist teeth and adjacent...
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