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Luting agent

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https://www.readbyqxmd.com/read/27904087/push-out-bond-strength-of-a-new-post-system-after-various-post-space-treatments
#1
Melek Akman, Ayçe Unverdi Eldeniz, Selen Ince, Mehmet Burak Guneser
To assess the effect of post-space treatment with chelating agents on the push-out bond-strength of a glass fiber post-system. Fortyeight human teeth were decoronated. The roots were prepared to size 40 and obturated. The post-spaces were prepared with PeesoReamer drills. The post-spaces were irrigated with (i) NaOCl and EDTA with chlorhexidine (QMix), (ii) NaOCl and EDTA, (iii) NaOCl and Citric acid, (iv) NaOCl and saline as a control group. i-TFC glass fiber posts were then luted with i-TFC bond system. The samples were horizontally sectioned...
2016: Dental Materials Journal
https://www.readbyqxmd.com/read/27894521/effect-of-3-cements-on-white-spot-lesion-formation-after-full-coverage-rapid-maxillary-expander-a-comparative-in-vivo-study
#2
Ahmet Yagci, Yasemin Nur Korkmaz, Filiz Yagci, Aykan Onur Atilla, Suleyman Kutalmiş Buyuk
INTRODUCTION: The aim of this study was to assess the effects of 3 luting agents (glass ionomer cement, compomer, and polycarboxylate cement) on white spot lesion formation in patients with full-coverage bonded acrylic splint expanders. White spot lesion formation was assessed with quantitative light-induced fluorescence. METHODS: Full-coverage rapid maxillary expanders were cemented with glass ionomer cement, compomer, and polycarboxylate cement in groups 1, 2, and 3, respectively...
December 2016: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/27890356/does-8-methacryloxyoctyl-trimethoxy-silane-8-mots-improve-initial-bond-strength-on-lithium-disilicate-glass-ceramic
#3
Yukinori Maruo, Goro Nishigawa, Kumiko Yoshihara, Shogo Minagi, Takuya Matsumoto, Masao Irie
OBJECTIVES: Dental ceramic surfaces are modified with silane coupling agents, such as γ-methacryloxypropyl trimethoxy silane (γ-MPTS), to improve bond strength. For bonding between lithium disilicate glass ceramic and resin cement, the objective was to investigate if 8-methacryloxyoctyl trimethoxy silane (8-MOTS) could yield a similar performance as the widely used γ-MPTS. METHODS: One hundred and ten lithium disilicate glass ceramic specimens were randomly divided into 11 groups (n=10) according to pretreatment regime...
November 24, 2016: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/27881331/in%C3%A2-vitro-assessment-of-retention-and-resistance-failure-loads-of-two-preparation-designs-for-maxillary-anterior-teeth
#4
Aimilia Bintivanou, Argirios Pissiotis, Konstantinos Michalakis
STATEMENT OF PROBLEM: Parallel labiolingual walls and the preservation of the cingulum in anterior tooth preparations have been advocated. However, their contribution to retention and resistance form has not been evaluated. PURPOSE: The purpose of this in vitro study was to evaluate the retention and resistance failure loads of 2 preparation designs for maxillary anterior teeth. MATERIAL AND METHODS: Forty metal restorations were fabricated and paired with 40 cobalt-chromium prepared tooth analogs...
October 27, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27832968/fifteen-year-survival-of-anterior-all-ceramic-cantilever-resin-bonded-fixed-dental-prostheses
#5
Matthias Kern
PURPOSE: The aim of this follow-up study was to report the long-term outcome of all-ceramic cantilever resin-bonded fixed dental prostheses (RBFDPs). MATERIALS AND METHODS: In 16 patients (mean age of 33.3±17.5years) 22 RBFDPs made from a glass-infiltrated alumina ceramic (In-Ceram) were inserted with a phosphate monomer containing luting agent after air-abrasion of the retainer wings. The abutment preparation included a shallow groove on the cingulum and a small proximal box...
November 8, 2016: Journal of Dentistry
https://www.readbyqxmd.com/read/27829765/comparative-study-on-the-tensile-bond-strength-and-marginal-fit-of-complete-veneer-cast-metal-crowns-using-various-luting-agents-an-in-vitro-study
#6
B Devi Parameswari, M Rajakumar, G Lambodaran, Shyam Sundar
INTRODUCTION: Several commercially available luting agents are used to cement the dental restorations such as intra-coronal, extra-coronal, and fixed partial dentures. Tensile bond strength (TBS) and accurate marginal fit are the essential factors to determine the good clinical results in fixed prosthesis. The retentivity of the luting cements is assessed by their adhesive capacity over the tooth surface and metal surface. Generally, the adhesive ability has been evaluated with in vitro testing, with tensile bond tests...
October 2016: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/27822468/retention-strength-after-compressive-cyclic-loading-of-five-luting-agents-used-in-implant-supported-prostheses
#7
Angel Alvarez-Arenal, Ignacio Gonzalez-Gonzalez, Hector deLlanos-Lanchares, Aritza Brizuela-Velasco, Javier Pinés-Hueso, Joseba Ellakuria-Echebarria
The purpose of this study was to evaluate and compare the retention strength of five cement types commonly used in implant-retained fixed partial dentures, before and after compressive cyclic loading. In five solid abutments screwed to 5 implant analogs, 50 metal Cr-Ni alloy copings were cemented with five luting agents: resin-modified glass ionomer (RmGI), resin composite (RC), glass ionomer (GI), resin urethane-based (RUB), and compomer cement (CC). Two tensile tests were conducted with a universal testing machine, one after the first luting of the copings and the other after 100,000 cycles of 100 N loading at 0...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27802123/marginal-adaptation-and-quality-of-interfaces-in-lithium-disilicate-crowns-influence-of-manufacturing-and-cementation-techniques
#8
C A Melo Freire, G A Borges, Dbm Caldas, R S Santos, S A Ignácio, R F Mazur
PURPOSE: To evaluate the cement line thickness and the interface quality in milled or injected lithium disilicate ceramic restorations and their influence on marginal adaptation using different cement types and different adhesive cementation techniques. METHODS AND MATERIALS: Sixty-four bovine teeth were prepared for full crown restoration (7.0±0.5 mm in height, 8.0 mm in cervical diameter, and 4.2 mm in incisal diameter) and were divided into two groups: CAD/CAM automation technology, IPS e...
November 1, 2016: Operative Dentistry
https://www.readbyqxmd.com/read/27703610/silver-nanoparticles-in-resin-luting-cements-antibacterial-and-physiochemical-properties
#9
Ana-Paula-Rodrigues Magalhães, Francine-Couto-Lima Moreira, Denise-Ramos-Silveira Alves, Cyntia-Rodrigues-Araújo Estrela, Carlos Estrela, Marcus-Santos Carrião, Andris-Figueiroa Bakuzis, Lawrence-Gonzaga Lopes
BACKGROUND: Silver has a long history of use in medicine as an antimicrobial and anti-inflammatory agent. Silver nanoparticles (NAg) offer the possibility to control the formation oral biofilms through the use of nanoparticles with biocidal, anti-adhesive, and delivery abilities. This study aims to evaluate the antibacterial effect of resin luting cements with and without NAg, and their influence on color, sorption and solubility. MATERIAL AND METHODS: NAg were incorporated to two dual-cured resin cements (RelyX ARC (RA) color A1 and RelyX U200 (RU) color A2) in two concentrations (0...
October 2016: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/27689840/water-sorption-and-solubility-of-luting-agents-used-under-ceramic-laminates-with-different-degrees-of-translucency
#10
C L Leal, Apv Queiroz, R M Foxton, S Argolo, P Mathias, A N Cavalcanti
PURPOSE: The aim of this study was to evaluate the effect of low-thickness ceramic laminate translucency on water sorption and solubility in resin luting agents. METHODS AND MATERIALS: Ceramic slides (15×0.7 mm) were generated using lithium disilicate (IPS e.max Press, Ivoclar-Vivadent, Schaan, Liechtenstein) that were A1 in color and had decreasing degrees of translucency (high, medium, and low). A slide of transparent glass of similar size was used as the control...
September 2016: Operative Dentistry
https://www.readbyqxmd.com/read/27666498/selected-physical-properties-of-new-resin-modified-glass-ionomer-luting-cements
#11
Jason R Garner, Michael N Wajdowicz, Nicholas B DuVall, Howard W Roberts
STATEMENT OF PROBLEM: Two resin-modified glass-ionomer (RMGI)-based luting agents have been recently marketed without independent reports of their physical properties. PURPOSE: The purpose of this in vitro study was to evaluate selected physical properties of 2 newly marketed RMGI luting agents and compare the findings with traditional materials. MATERIAL AND METHODS: Specimens (N=12) of Nexus RMGI, UltraCem, GC Fuji Cem 2, and RelyX Luting Plus were fabricated using standardized molds for flexural strength and fracture toughness according to manufacturer recommendations and stored in physiologic phosphate-buffered saline solution at 37°C until testing...
September 22, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27659085/a-comparative-study-of-the-retentive-strengths-of-commercial-and-indigenously-developed-luting-cements-using-both-lathe-cut-and-clinically-simulated-specimens
#12
Joe Mathew, Byju P Kurian, Biju Philip, Sunil Mohammed, Preetha Menon, Rajan S Raj
INTRODUCTION: Superior adhesive strength in luting agents is of paramount significance in fixed partial denture success. In this in vitro study five cements were tested for retentive qualities, using both lathe-cut and hand-prepared specimens. MATERIALS AND METHODS: A total of 104 freshly extracted tooth specimens were prepared. Seventy of them were lathe-cut and 30 specimens were hand-prepared to simulate clinical conditions. Five different cements were tested, which included a compomer, a composite, a zinc phosphate, and 2 glass-ionomer luting cements...
2016: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/27555896/microtensile-bond-strength-and-micromorphologic-analysis-of-surface-treated-resin-nanoceramics
#13
Joon-Ho Park, Yu-Sung Choi
PURPOSE: The aim of this study was to evaluate the influence of different surface treatment methods on the microtensile bond strength of resin cement to resin nanoceramic (RNC). MATERIALS AND METHODS: RNC onlays (Lava Ultimate) (n=30) were treated using air abrasion with and without a universal adhesive, or HF etching followed by a universal adhesive with and without a silane coupling agent, or tribological silica coating with and without a universal adhesive, and divided into 6 groups...
August 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27542693/the-effect-of-endodontic-access-on-all-ceramic-crowns-a-systematic-review-of-in-vitro-studies
#14
REVIEW
Catherine M Gorman, Noel J Ray, Francis M Burke
OBJECTIVES: The aim of this systematic review was to identify from in vitro studies the effect of endodontic access on the fracture resistance and damage around the access cavity of all-ceramic crowns. DATA: The articles identified were screened by two reviewers according to inclusion and exclusion criteria. The reference lists of articles advanced to second round screening were hand searched to identify additional potential articles. The risk of bias for the articles was independently performed by two reviewers...
October 2016: Journal of Dentistry
https://www.readbyqxmd.com/read/27479343/extraoral-cementation-technique-to-minimize-cement-associated-peri-implant-marginal-bone-loss-can-a-thin-layer-of-zinc-oxide-cement-provide-sufficient-retention
#15
Eberhard Frisch, Petra Ratka-Krüger, Paul Weigl, Johan Woelber
This report describes the use of laboratory-fabricated crown intaglio replicas for extraorally prepared cementation of fixed restorations to implants. This technique minimizes excess cement and may therefore reduce the risk of cement-related marginal peri-implant bone loss. It is unclear whether the remaining thin layer of luting agent provides sufficient retention if low-adhesive zinc oxide (ZnO) cement is used. In 85 consecutive patients, 113 single crowns were cemented to implants using extraoral cementation technique (ECT) and ZnO cement...
July 2016: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/27389593/impact-of-bleaching-agents-on-water-sorption-and-solubility-of-resin-luting-cements
#16
Mahshid Torabi Ardakani, Berivan Atashkar, Rafat Bagheri, Michael F Burrow
AIM: The aim of the present study was to evaluate the effect of distilled water and home and office bleaching agents on the sorption and solubility of resin luting cements. METHODS: A total of 18 disc-shaped specimens were prepared from each of four resin cements: G-CEM LinkAce, Panavia F, Rely X Unicem, and seT. Specimens were cured according to the manufacturers' instructions and randomly divided into three groups of six, where they were treated with either an office or home bleaching agent or immersed in distilled water (control)...
July 8, 2016: Journal of Investigative and Clinical Dentistry
https://www.readbyqxmd.com/read/27375687/influence-of-silane-and-heated-silane-on-the-bond-strength-of-lithium-disilicate-ceramics-an-in-vitro-study
#17
Tariq Abduljabbar, Mohammed Ayedh AlQahtani, Zaid Al Jeaidi, Fahim Vohra
OBJECTIVES: To evaluate the effect of silane application and silane heat treatment on lithium-disilicate ceramic when bonded to composite resin. METHODS: Twelve blocks of lithium-disilicate (LD) ceramic were fabricated and bonding surfaces were etched using 9.5% hydrofluoric acid (90 seconds). Three experimental groups resulted from the various surface treatment combinations, which included, no silane application (NS) (controls), silane application (S) and silane heat treatment (HS) (100°C for 5 minutesutes)...
May 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27307666/comparison-of-the-effect-of-shear-bond-strength-with-silane-and-other-three-chemical-presurface-treatments-of-a-glass-fiber-reinforced-post-on-adhesion-with-a-resin-based-luting-agent-an-in-vitro-study
#18
Vaibhavi Ramkrishna Belwalkar, Jaykumar Gade, Nikhil Purushottam Mankar
BACKGROUND: Loss of retention has been cited to be the most common cause of the failure of postretained restoration with irreversible consequences when materials with different compositions are in intimate contact at the post/adhesive interface. With this background, a study was conducted to improve the adhesion at the resin phase of fiber posts using silane and other chemical pretreatments. MATERIALS AND METHODS: Hundred glass fiber-reinforced posts were tested with 4 different protocols (n = 25) using silane as a control (Group A) and other three experimental groups, namely, Group B-20% potassium permanganate, Group C-4% hydrofluoric acid, and Group D-10% hydrogen peroxide were pretreated on the postsurface followed by silanization...
April 2016: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/27206999/push-out-bond-strength-of-glass-fiber-posts-cemented-in-weakened-roots-with-different-luting-agents
#19
Daniele M da Silveira-Pedrosa, Luis Rm Martins, Mário Ac Sinhoreti, Lourenço Correr-Sobrinho, Manoel D Sousa-Neto, Edson D Costa, Celso de F Pedrosa-Filho, Jacy Ribeiro de Carvalho
AIM: To evaluate the push-out bond strength (BS) of direct anatomic posts (DAPs) and conventional fiber posts (CFPs) cemented with different luting agents in different thirds of flared root canals. MATERIALS AND METHODS: A total of 60 human single-rooted canine teeth were transversally sectioned 16 mm from the radicular apex. After endodontic treatment, canals were flared with diamond burs. Samples were divided into six groups according to post type and luting agent: DAP and RelyX U100 (RXU); DAP and RelyX ARC (RXA); DAP and RelyX Luting 2 (RXL); CFP and RXU; CFP and RXA; CFP and RXL...
2016: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/27190954/retention-of-implant-supported-metal-crowns-cemented-with-different-luting-agents-a-comparative-invitro-study
#20
Roohi Kapoor, Kavipal Singh, Simrat Kaur, Aman Arora
INTRODUCTION: To overcome limitations of screw-retained prostheses, cement-retained prostheses have become the restoration of choice now a days. Selection of the cement hence becomes very critical to maintain retrievability of the prostheses. AIM: The purpose of this study was to assess and compare the retention of base metal crowns cemented to implant abutments with five different luting cements. MATERIALS AND METHODS: Ten implant analogs were secured in five epoxy resin casts perpendicular to the plane of cast in right first molar and left first molar region and implant abutments were screwed...
April 2016: Journal of Clinical and Diagnostic Research: JCDR
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