Zahnfarbene Materialien für die CAD/CAM-Anwendung

Rosentritt, Martin; Kieschnick, Annett; Stawarczyk, Bogna

doi:10.1055/a-1081-9358

Cited by 3 publications

(4 citation statements)

References 20 publications

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“…Till now zirconia has been developed into 5 generations (22) and they differ from each other in composition; the amount of alumina, Yettria, Cubic zirconia, and stabilizing materials; Yettria, Alumina, Calcia, Ceria or Magnesia that have been added to the material to partially stabilize tetragonal phase. Hafnia could be added as well to the material to increase the total volume of transformation toughening.…”

Section: Discussionmentioning

confidence: 99%

“…(20,21) However, because of the enhanced cubic phase, reduced porosity, and larger cubic grains, the light transmission rose by 43 to 45 percent. (11) According to Rosentritt, et al, in 2019, (22) we could distinguish 5 generations of zirconia: 1st Generation 3Y-TZP (opaque, flexural strength > 1000), 2nd Generation 3Y-TZP (5 % more translucent, flexural strength 900 MPa), 3rd Generation 5Y-TZP (15 % more translucent, flexural strength 600 MPa), 4th Generation 4Y-TZP (10 % more translucent, flexural strength 750 MPa) and 5th Generation 3Y/4Y/5Y-TZP (1-15 % more translucent, flexural strength 550-1200 MPa) (Multilayer with translucency gradients). Transformation toughening is a crucial component for better flexural strength, but it is not present in the compositions of these two generations, limiting their toughness and flexural strength.…”

Section: Introductionmentioning

confidence: 99%

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Shear Bond Strength of Different Zirconia Generations Bonded with Self Adhesive Resin Containing MDP

Fouad,

Hussein,

Mokhtar

et al. 2022

Ain Shams Dental Journal

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Do the different zirconia generations respond similarly to the same bonding protocol of selfadhesive resin containing MDP. Materials and Methods: Four groups of zirconia specimens were used (n=10 each): according to the generation of zirconia used: group Hi Translucent is generation 1, group Super Translucent is generation 2, group Top Translucent is generation 3, and group Esthetic Explore is generation 5. Ten zirconia cuboids were dry-milled of each of the 4-zirconia blocks using a CAD CAM milling machine then sintered in a ceramic oven. Forty composite cuboids 4X4were fabricated and cemented using self-adhesive resin cement containing MDP to each zirconia cuboid using custom constructed Plexi-Frames. All specimens were thermally cycled and subjected to shear bond strength in the universal testing machine. Results: The mean SBS was higher in EX group (30.58+ 11.9) followed by HT group (23.16+ 3.6), then TT group (21.59+ 6.6), and finally ST group (21.47+ 6.1). One-Way ANOVA revealed a significant difference in SBS between tested groups. Conclusions: The 5th generation of zirconia scored the highest mean SBS values. More surface treatment protocols should be suggested for each zirconia generation.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Shear Bond Strength of Different Zirconia Generations Bonded with Self Adhesive Resin Containing MDP

Fouad,

Hussein,

Mokhtar

et al. 2022

Ain Shams Dental Journal

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“…Indirekte Komposite haben einen ähnlichen E-Modul wie Dentin [5]. Sie können einwirkende Kräfte dämpfen und ein natürliches Kaugefühl vermitteln.…”

Section: Cad/cam-kompositeunclassified

CAD/CAM-Komposite zur prothetischen Versorgung im ästhetischen Bereich – ein Fallbericht

Weber¹,

Hahnel²,

Bidmon³

et al. 2020

ZWR - Das Deutsche Zahnärzteblatt

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“…(9,10) More recently successive generations of zirconia ceramics took place as esthetic RBFDP (11,12) offering both esthetics and strength. (13) Multi-layer zirconia offers better esthetics and translucency than monocolor zirconia blocks. (14) An innovation of the multi-layer zirconia is the hybrid zirconia blocks, where each layer has different translucency, color saturation, toughness, and flexural strength than the adjacent layer.…”

Section: Introductionmentioning

confidence: 99%

Cyclic loading of Veneer-Supported Fixed Dental Prosthesis versus Conventional Resin Bonded Prosthesis for Replacing missing central incisor: An in-vitro study

Fouad,

Mokhtar,

Osman

et al. 2022

Ain Shams Dental Journal

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Statement of Problem:Resin bonded fixed dental prosthesis (RBFDP) are not indicated when the mesiodistal width of the missing tooth is needed to be adjusted. A New design of Veneer retained resin bonded dental prosthesis (VRFDP) is suggested to restore and redistribute the space. Materials and Methods: Two 3D models for 8 maxillary anterior teeth and first premolars; with missing tooth number 11, were drawn on AutoCad software to accommodate resin-bonded FDP (RBFDP) and veneer-supported fixed dental prosthesis (VRFDP). the file was exported and 10 epoxy resin models were 3D printed from each type using stereolithography technology. Ten FDP were milled from each STL file. Using high translucency zirconia blanks (Esthetic Explore) and sintered according to the manufacturer's recommendations. Then, the FDP of each type were bonded to their corresponding dies according to the manufacturer's directions. All specimens were subjected to cyclic loading test Specimens were cyclic loaded till failure. Data were collected, tabulated, and statistically analyzed. Results: Descriptive Statistics showed higher mean values of the VRB group (520.16±117.07) than the RBB group (449.19±163.97). One-Way ANOVA showed no significant difference between tested groups (P= 0.28). Conclusions: VRFDP scored higher cyclic loads mean values than RBFDP. VRFDP could present an acceptabletreatment option for treating the missing central incisor situation. More investigations are needed to support orreject this claim.

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Zahnfarbene Materialien für die CAD/CAM-Anwendung

Cited by 3 publications

References 20 publications

Shear Bond Strength of Different Zirconia Generations Bonded with Self Adhesive Resin Containing MDP

Shear Bond Strength of Different Zirconia Generations Bonded with Self Adhesive Resin Containing MDP

CAD/CAM-Komposite zur prothetischen Versorgung im ästhetischen Bereich – ein Fallbericht

Cyclic loading of Veneer-Supported Fixed Dental Prosthesis versus Conventional Resin Bonded Prosthesis for Replacing missing central incisor: An in-vitro study

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