Shear Bond Strength of Resin Cements to a Densely Sintered AL2O3 Ceramic Material PDF Download
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Author: Wedad Yassin Awliya
Publisher:
ISBN:
Category : Dental bonding
Languages : en
Pages : 200
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Author: Wedad Yassin Awliya
Publisher:
ISBN:
Category : Dental bonding
Languages : en
Pages : 200
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Author: Figen Akyelken Gökkaya
Publisher:
ISBN:
Category :
Languages : en
Pages : 24
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Author: Olga A. Efstratopoulou
Publisher:
ISBN:
Category : Dental ceramics
Languages : en
Pages : 180
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Author: Michael A. Tong
Publisher:
ISBN:
Category :
Languages : en
Pages : 50
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 50
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Author: Mahmood Abu Ruja'
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Objectives: 1. To evaluate the bond strength of yttria-tetragonal zirconia polycrystalline (Y-TZP), lithium-disilicate, and feldspathic ceramics to 10-methacryloyloxydecyl dihydrogen phosphate (MDP)-containing and non-MDP resin cements. 2. To evaluate the effect of ultrashort-pulse laser (UPL) on surface treatment on Y-TZP surface properties, the material's bond strength to resin cement, and the effect of thermal stress on bond strength. Methods: Lithium-disilicate (LD), feldspathic porcelain (FP), and Y-TZP blocks received surface treatment according to the manufacturer recommendations (LD and FP: hydrofluoric acid, Y-TZP: alumina-blasting), and were luted to human dentin using MDP-containing (UL) or non-MDP adhesive system (UN). Specimens were microtensile tested. Fully-sintered Y-TZP received either no treatment (CTL) or one treatment of: ALB, SIL, or UPL. UPL consisted of either dots (LSD) or lines (LSL) patterns. Surface roughness, contact angle, and crystalline phases were evaluated. Y-TZP were cemented to composite using resin-based cement combined with a silane and MDP-containing adhesive. Specimens were incubated for 48 hours, then microtensile tested directly or after thermocycling. Results: The type of ceramic and the resin cement both had significant effects on bond strength (P≤.001). Y-TZP showed significantly lower bond strength (p.
Author: Mohammed AlRabiah
Publisher:
ISBN:
Category :
Languages : en
Pages : 55
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Background: All-ceramic restorations have excellent esthetic outcomes compared with other restorative materials. Lithium disilicate is classified as one of many silica-based all-ceramic materials. Currently, companies have provided single-step adhesives, known as universal adhesives, compatible with different restorative materials including lithium disilicate. Many studies have reported greater bond strengths when using a silane to treat the lithium disilicate before applying the bonding agent. Moreover, few studies were published comparing the bond strength when using the universal adhesive alone. Purpose: The objective of this study was to evaluate and compare shear bond strength of three universal adhesives to lithium disilicate ceramic restorative material. Materials and Methods: Three universal adhesive bonding agents were selected from commercially available adhesives. 408 IPS e.max CAD ceramic discs were processed, fired, and etched for 20s. The specimens were divided into six groups. The first three groups used the universal adhesive directly. The remaining three groups were treated with silane. Then, a composite resin cylinder was placed on top of the adhesive using a bonding jig. Each group was subdivided into four equal subgroups (n = 17), subjected to different aging simulation procedures: 24 h, one month with 5000 thermocycles, two months with 5000 cycles, and three months with 5000 cycles. Then, specimens were debonded using shear force by a universal testing machine (MTS). Results: Shear bond strength was greater with silane than without silane (p
Author: Alessandra Dagostin
Publisher:
ISBN:
Category : Dental cements
Languages : en
Pages : 160
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Author:
Publisher:
ISBN:
Category : Ceramics
Languages : en
Pages : 258
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Author: Abdullah Sulaiman A. Al-Swuailem
Publisher:
ISBN:
Category : Dental cements
Languages : en
Pages : 166
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