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Cad/cam ceramics bond strength

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https://www.readbyqxmd.com/read/29777736/edge-strength-of-cad-cam-materials
#1
Maria Pfeilschifter, Verena Preis, Michael Behr, Martin Rosentritt
OBJECTIVES: To investigate the edge force of CAD/CAM materials as a function of (a) material, (b) thickness, and (c) distance from the margin. METHODS: Materials intended for processing with CAD/CAM were investigated: eight resin composites, one resin-infiltrated ceramic, and a clinically proven lithiumdisilicate ceramic (reference). To measure edge force (that is, load to failure/crack), plates (d = 1 mm) were fixed and loaded with a Vickers diamond indenter (1 mm/min, Zwick 1446) at a distance of 0...
May 16, 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29741238/effect-of-surface-modification-on-in-depth-transformations-and-flexural-strength-of-zirconia-ceramics
#2
Kan Wongkamhaeng, Deborah V Dawson, Julie A Holloway, Isabelle Denry
PURPOSE: Chairside surface adjustments of zirconia dental restorations enhance the toughening stress-induced tetragonal-to-monoclinic phase transformation and domain reorientation by ferro-elastic domain switching (FDS), but also trigger subsurface damage, which could compromise long-term clinical performance. The purpose of this study was to assess the depth of phase transformation, associated FDS, and flexural strength of dental zirconia (BruxZir HT 2.0), after chairside surface treatments...
May 9, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29724550/effect-of-different-resin-cements-and-surface-treatments-on-the-shear-bond-strength-of-ceramic-glass-polymer-materials
#3
Gülce Alp, Meryem Gülce Subaşı, William M Johnston, Burak Yilmaz
STATEMENT OF PROBLEM: The effect of different surface treatment techniques on the bond strength of different types of ceramic-glass polymer computer-assisted design and computer-assisted manufacturing (CAD-CAM) materials and resin cements after aging is unknown. PURPOSE: The purpose of this in vitro study was to evaluate the surface roughness of different ceramic-glass polymer CAD-CAM materials after 2 different surface treatments and the effect of material, surface treatment, resin cement, and aging on bond strength...
April 30, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29723323/repair-success-of-two-innovative-hybrid-materials-as-a-function-of-different-surface-treatments
#4
Numan Tatar, Cagri Ural
PURPOSE: To evaluate surface treatments for chipping in order to avoid bonding problems between hybrid materials and composite resin and to determine the optimal surface treatment method during intraoral repair of restorations to achieve clinical success. MATERIALS AND METHODS: A total of 96 samples were prepared from computer-aided design/computer-assisted manufactured (CAD/CAM) blocks: 48 polymer-infiltrated ceramic (PIC) and 48 resin nano-ceramic (RNC). Prior to application of the surface treatments, the two test groups were each divided into four subgroups: control group; hydrofluoric acid group; hydrofluoric acid with silane group; and air-abraded with silica-coated aluminum oxide (Al2 O3 ) sand with silane group...
May 2018: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29713430/repair-bond-strength-of-resin-composite-to-bilayer-dental-ceramics
#5
Ayse Seda Ataol, Gulfem Ergun
PURPOSE: The purpose of this study was to investigate the effect of various surface treatments (ST) on the shear bond strength of resin composite to three bilayer dental ceramics made by CAD/CAM and two veneering ceramics. MATERIALS AND METHODS: Three different bilayer dental ceramics and two different veneering ceramics were used (Group A: IPS e.max CAD+IPS e.max Ceram; Group B: IPS e.max ZirCAD+IPS e.max Ceram, Group C: Vita Suprinity+Vita VM11; Group D: IPS e...
April 2018: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29704137/bonding-to-new-cad-cam-resin-composites-influence-of-air-abrasion-and-conditioning-agents-as-pretreatment-strategy
#6
Marcel Reymus, Malgorzata Roos, Marlis Eichberger, Daniel Edelhoff, Reinhard Hickel, Bogna Stawarczyk
OBJECTIVES: Because of their industrially standardized process of manufacturing, CAD/CAM resin composites show a high degree of conversion, making a reliable bond difficult to achieve. PURPOSE: The purpose of this experiment was to investigate the tensile bond strength (TBS) of luting composite to CAD/CAM resin composite materials as influenced by air abrasion and pretreatment strategies. MATERIAL AND METHODS: The treatment factors of the present study were (1) brand of the CAD/CAM resin composite (Brilliant Crios [Coltene/Whaledent], Cerasmart [GC Europe], Shofu Block HC [Shofu], and Lava Ultimate [3M]); (2) air abrasion vs...
April 27, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29670713/shear-bond-strength-of-ceramic-fused-to-cad-cam-milled-alloys
#7
Niwut Juntavee, San-Eak Oeng
Background: This study evaluated the metal ceramic bond strength of cast Ni-Cr, cast Co-Cr, sintered Co-Cr and milled Co-Cr alloys to ceramic through two application procedures including the ceramic layering technique and ceramic pressed-on technique. Material and Methods: Ceramic materials (Ø 8 mm, 1.5 mm thickness) were veneered by either the layering or pressed-on technique to cast Ni-Cr, cast Co-Cr, sintered Co-Cr and hard milled Co-Cr alloy disc (12 × 12 × 0...
January 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29607866/shear-bond-strength-of-a-novel-porcelain-repair-system-for-different-computer-aided-design-computer-assisted-manufacturing-ceramic-materials
#8
M Karcı, N Demir, M G Subaşı, M Gökkaya
Objectives: The purpose of this study was to compare the shear bond strength of a novel repair system, Nova Compo SF with Ceramic Repair, Ivoclar, to computer-aided design/computer-assisted manufacturing (CAD/CAM) restorative materials (IPS e.max CAD and Empress CAD). Materials and Methods: The specimens of each CAD/CAM restorative material were randomly divided into two subgroups of nine specimens, using one of two repair systems. All specimens were etched with hydrofluoric acid and rinsed under a water spray for 10 s, then air-dried for 10 s...
April 2018: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29605190/fracture-strength-testing-of-crowns-made-of-cad-cam-composite-resins
#9
Ryota Okada, Masaki Asakura, Akihiro Ando, Hirokazu Kumano, Seiji Ban, Tatsushi Kawai, Jun Takebe
PURPOSE: The purpose of this study was to ascertain whether computer aided design/computer aided manufacturing (CAD/CAM) composite resin crowns have sufficient strength to withstand the bite force of the molar teeth. The null hypothesis was that the fracture strength of CAD/CAM composite resin crowns is lower than the average maximum bite force of the molar tooth. METHODS: The crowns, which shape is the right maxillary first molar, were fabricated using four CAD/CAM blanks made of composite resins (Block HC: HC, KZR-CAD HR: HR, KZR-CAD HR2: HR2, Avencia Block: AVE) and one CAD/CAM blank made of lithium disilicate glass-ceramic (IPS e...
March 28, 2018: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/29251451/cad-cam-post-and-core-using-different-esthetic-materials-fracture-resistance-and-bond-strengths
#10
Denis Roberto Falcão Spina, Rogério Goulart da Costa, Isabelli Carolini Farias, Leonardo Gonçalves da Cunha, André Vicente Ritter, Carla Castiglia Gonzaga, Giselle Maria Correr
PURPOSE: To evaluate the fracture resistance (FR), and push-out bond strengths (BS) of custom-made CAD/CAM post-and-cores manufactured with different esthetic materials. METHODS: 90 single-rooted extracted teeth were selected, endodontically treated and prepared to receive the posts. The specimens were randomly divided into three equal groups according to the material: hybrid ceramic Vita Enamic (HC); nano-ceramic resin composite Lava Ultimate (RC); and experimental epoxy-resin reinforced by glass-fiber (FG)...
December 2017: American Journal of Dentistry
https://www.readbyqxmd.com/read/29238488/effect-of-hydrofluoric-acid-surface-treatments-on-micro-shear-bond-strength-of-cad-cam-ceramics
#11
Faraneh Mokhtarpour, Homayoon Alaghehmand, Soraya Khafri
Introduction: Dental ceramics are appreciated as highly esthetic restorative materials that can simulate the appearance of natural dentition better than other materials. The aim of this study was to evaluate the effect of hydrofluoric acid concentration and etching time on micro-shear bond strength (μSBS) to IPS e.max CAD and Vita Mark II of a dual cured resin cement (Panavia F2.0). Methods: This study was an experimental in vitro study, performed in the dental material research center of Babol University of Medical Sciences in 2016...
October 2017: Electronic Physician
https://www.readbyqxmd.com/read/29140719/effects-of-different-etching-methods-and-bonding-procedures-on-shear-bond-strength-of-orthodontic-metal-brackets-applied-to-different-cad-cam-ceramic-materials
#12
S Kutalmış Buyuk, Ahmet Serkan Kucukekenci
OBJECTIVE: To investigate the shear bond strength (SBS) of orthodontic metal brackets applied to different types of ceramic surfaces treated with different etching procedures and bonding agents. MATERIALS AND METHODS: Monolithic CAD/CAM ceramic specimens (N = 120; n = 40 each group) of feldspathic ceramic Vita Mark II, resin nanoceramic Lava Ultimate, and hybrid ceramic Vita Enamic were fabricated (14 × 12 × 3 mm). Ceramic specimens were separated into four subgroups (n = 10) according to type of surface treatment and bonding onto the ceramic surface...
March 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/28959767/shear-bond-strength-of-porcelain-to-a-base-metal-compared-to-zirconia-core
#13
S M Abrisham, A Fallah Tafti, S Kheirkhah, M A Tavakkoli
STATEMENT OF PROBLEM: Recent clinical results for Zirconia all-ceramic restorations have revealed that the fracture rate 6-15% of the Zirconia framework is so low and the core of Zirconia has high stability. However, chipping-off fractures of porcelain are the most common reason for failures of Zirconia in the fixed partial dentures. OBJECTIVES: The purpose of this study was to compare the shear bond strength (SBS) of porcelain in the porcelain fused to metal and all-ceramic crowns with Zirconia core...
March 2017: Journal of Dental Biomaterials
https://www.readbyqxmd.com/read/28944374/performance-of-cad-cam-monolithic-ceramic-implant-supported-restorations-bonded-to-titanium-inserts-a-systematic-review
#14
REVIEW
Julian Conejo, Toyoaki Kobayashi, Evantia Anadioti, Markus B Blatz
AIMS: This review assessed the available evidence on the performance of CAD/CAM monolithic implant-supported restorations bonded to titanium (Ti) inserts and bases, which has become a popular concept. MATERIALS AND METHODS: An electronic and manual search of PubMed databases was conducted to identify studies published in English between 2000 and 2016 on the performance of monolithic ceramic implant restorations with Ti inserts. RESULTS: The initial search revealed 505 titles...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28876966/the-effect-of-resin-bonding-on-long-term-success-of-high-strength-ceramics
#15
M B Blatz, M Vonderheide, J Conejo
Digital manufacturing, all-ceramics, and adhesive dentistry are currently the trendiest topics in clinical restorative dentistry. Tooth- and implant-supported fixed restorations from computer-aided design (CAD)/computer-aided manufacturing (CAM)-fabricated high-strength ceramics-namely, alumina and zirconia-are widely accepted as reliable alternatives to traditional metal-ceramic restorations. Most recent developments have focused on high-translucent monolithic full-contour zirconia restorations, which have become extremely popular in a short period of time, due to physical strength, CAD/CAM fabrication, and low cost...
February 2018: Journal of Dental Research
https://www.readbyqxmd.com/read/28874992/comparison-of-traditional-and-simplified-methods-for-repairing-cad-cam-feldspathic-ceramics
#16
Michele Carrabba, Alessandro Vichi, Chris Louca, Marco Ferrari
PURPOSE: To evaluate the adhesion to CAD/CAM feldspathic blocks by failure analysis and shear bond strength test (SBSt) of different restorative systems and different surface treatments, for purpose of moderate chipping repair. MATERIALS AND METHODS: A self-adhering flowable composite (Vertise Flow, Kerr) containing bi-functional phosphate monomers and a conventional flowable resin composite (Premise Flow, Kerr) applied with and without adhesive system (Optibond Solo Plus, Kerr) were combined with three different surface treatments (Hydrofluoric Acid Etching, Sandblasting, combination of both) for repairing feldspathic ceramics...
August 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/28843882/influence-of-various-bonding-techniques-on-the-fracture-strength-of-thin-cad-cam-fabricated-occlusal-glass-ceramic-veneers
#17
Christine Yazigi, Matthias Kern, Mohamed Sad Chaar
OBJECTIVES: To evaluate the efficiency of immediate dentin sealing and the effects of different bonding protocols on the fracture strength of CAD/CAM occlusal veneers bonded to exposed dentin. METHODS: Ninety-six extracted maxillary premolars were initially divided into three main groups with 32 specimens each: without immediate dentin sealing, immediate dentin sealing/total etching and immediate dentin sealing/selective etching. Teeth were identically prepared in the dentin to receive occlusal veneers of 0...
August 15, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28662858/comparison-of-three-and-four-point-bending-evaluation-of-two-adhesive-bonding-systems-for-glass-ceramic-zirconia-bi-layered-ceramics
#18
C Gee, J N Weddell, M V Swain
OBJECTIVES: To quantify the adhesion of two bonding approaches of zirconia to more aesthetic glass-ceramic materials using the Schwickerath (ISO 9693-2:2016) three point bend (3PB) [1] test to determine the fracture initiation strength and strain energy release rate associated with stable crack extension with this test and the Charalamabides et al. (1989) [2] four point bend (4PB) test. METHODS: Two glass-ceramic materials (VITABLOCS Triluxe forte, Vita Zahnfabrik, Germany and IPS...
September 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28580465/effect-of-mdp-containing-silane-and-adhesive-used-alone-or-in-combination-on-the-long-term-bond-strength-and-chemical-interaction-with-lithium-disilicate-ceramics
#19
Andres Millan Cardenas, Fabiana Siqueira, Viviane Hass, Pâmela Malaquias, Mario Felipe Gutierrez, Alessandra Reis, Jorge Perdigão, Alessandro Loguercio
PURPOSE: To evaluate the effect of a silane and an adhesive containing MDP, used alone or combined in the same solution, on the microshear bond strength (μSBS) to lithium disilicate ceramics immediately and after 1-year water storage, and compare the bond strength results with the Raman spectra of the treated lithium disilicate surfaces. MATERIALS AND METHODS: A total of 30 CAD/CAM blocks of lithium disilicate (LD; IPS e.max CAD) were cut into four square sections (6 x 6 x 6 mm; n = 60 per group) and processed as recommended by the manufacturer...
2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28367909/bonding-state-of-metal-free-cad-cam-onlay-restoration-after-cyclic-loading-with-and-without-immediate-dentin-sealing
#20
Noriko Ishii, Toshio Maseki, Yoichiro Nara
To examine the bonding state of metal-free CAD/CAM onlay restorations made from two popular resin composite blocks and a typical glass-ceramic block after cyclic loading, with and without immediate dentin sealing (IDS). Standardized mesial-distal-occlusalbuccal (MODB) cavities in 24 extracted human molars were prepared. The intra-cavity dentin surfaces of half of the cavities were immediately sealed with all-in-one adhesive and flowable composite, while those of the other half were not. All cavities were scanned, from which CAD/CAM onlays were fabricated from three types of block and cemented with an adhesive resin cement system...
May 31, 2017: Dental Materials Journal
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