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https://www.readbyqxmd.com/read/28094025/mechanical-and-microbiological-properties-and-drug-release-modeling-of-an-etch-and-rinse-adhesive-containing-copper-nanoparticles
#1
M F Gutiérrez, P Malaquias, T P Matos, A Szesz, S Souza, J Bermudez, A Reis, A D Loguercio, P V Farago
OBJECTIVES: To evaluate the effect of addition of copper nanoparticles (CN) at different concentrations into a two-step etch-and-rinse (2-ER) adhesive on antimicrobial activity (AMA), copper release (CR), ultimate tensile strength (UTS), degree of conversion (DC), water sorption (WS), solubility (SO), as well as the immediate (IM) and 1-year resin-dentin bond strength (μTBS) and nanoleakage (NL). METHODS: Seven adhesives were formulated according to the addition of CN (0, 0...
January 13, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28091433/clinical-evaluation-of-microhybrid-composites-in-noncarious-cervical-lesions-24-month-results
#2
D Tuncer, C Çelik, K Yamanel, N Arhun
OBJECTIVE: To evaluate the clinical performance of two different microhybrid resin composites in noncarious cervical lesions (NCCLs) after 24 months. SUBJECTS AND METHODS: Ninety-seven NCCLs were restored with either TPH Spectrum (n = 48) or Filtek Z250 (n = 49) using an etch-and-rinse adhesive in 20 patients. The restorations were clinically evaluated using modified United States Public Health Service criteria for retention, color match, marginal discoloration, marginal adaptation, surface texture, anatomic form, postoperative sensitivity, and secondary caries...
February 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28050982/effect-of-tannic-acid-on-bond-strength-of-etch-and-rinse-and-self-etch-adhesive-systems-in-dentin-of-primary-teeth
#3
Masoumeh Ebrahimi, Alireza Sarraf Shirazi, Faraneh Abdolhoseinpour, Mojtaba Abdollahi
INTRODUCTION: One of the possible mechanisms for the gradual destruction of bond strength in dentin-resin interface, could be due to the demineralized unstable collagen matrix. Use of protease inhibitors, such as tannic acid (TA) could prevent destruction of collagen fibers. The aim of this study was to compare the TA effect on bond strength of etch and rinse and self-etch adhesive systems in the dentin of primary teeth. MATERIALS AND METHODS: This in vitro study was done on 40 extracted primary molar teeth...
January 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28024165/evaluation-of-pit-and-fissure-sealants-placed-with-four-different-bonding-protocols-a-randomized-clinical-trial
#4
Manasi Khare, Baranya Shrikrishna Suprabha, Ramya Shenoy, Arathi Rao
BACKGROUND: Application of adhesive after acid etching may increase the retention of pit-and-fissure sealants and improve clinical effectiveness. AIMS: To clinically evaluate the retention, marginal discoloration and caries incidence of pit-and-fissure sealants applied using four bonding protocols: conventional acid etching, etch-and-rinse adhesive, multimode universal adhesive and self-etch adhesive used after acid etching. DESIGN: In this split-mouth design study, the four adhesive protocols were randomly assigned to the four erupted, non-carious first permanent molars and involved 52 patients between 6 and 10 years of age...
December 26, 2016: International Journal of Paediatric Dentistry
https://www.readbyqxmd.com/read/27994318/resin-bond-strength-to-water-versus-ethanol-saturated-human-dentin-pretreated-with-three-different-cross-linking-agents
#5
Bhuvan Shome Venigalla, Pinnamreddy Jyothi, Shekhar Kamishetty, Smitha Reddy, Ravi Chandra Cherukupalli, Depa Arun Reddy
CONTEXT: Resin-dentin bonds are unstable owing to hydrolytic and enzymatic degradation. Several approaches such as collagen cross-linking and ethanol-wet bonding (EWB) have been developed to overcome this problem. Collagen cross-linking improves the intrinsic properties of the collagen matrix. However, it leaves a water-rich collagen matrix with incomplete resin infiltration making it susceptible to fatigue degradation. Since EWB is expected to overcome the drawbacks of water-wet bonding (WWB), a combination of collagen cross-linking with EWB was tested...
November 2016: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/27988345/use-of-lining-materials-under-posterior-resin-composite-restorations-in-the-uk
#6
Igor R Blum, Nadeem Younis, Nairn H F Wilson
OBJECTIVES: To investigate opinions on, and current use of lining materials prior to the placement of posterior resin composite restorations by general dental practitioners (GDPs) in the UK. A further objective was to investigate aspects of posterior resin composite restoration placement techniques employed by UK GDPs. METHODS: A questionnaire was devised to gain the information sought. It was sent to 500 UK dentists, chosen at random from the register of the General Dental Council...
December 14, 2016: Journal of Dentistry
https://www.readbyqxmd.com/read/27982229/effect-of-two-antioxidants-agents-on-microtensile-bond-strength-to-bleached-enamel
#7
Marina Studart Alencar, Juliana Fraga Soares Bombonatti, Rafael Massunari Maenosono, Ana Flávia Soares, Linda Wang, Rafael Francisco Lia Mondelli
This in vitro study evaluated the effect of sodium bicarbonate and sodium ascorbate on the microtensile bond strength of an etch-and-rinse system to bleached bovine enamel. Sixty bovine enamel blocks (4x4 mm) were flattened and randomly allocated into 5 groups: G1 (negative control): without treatment; G2 (positive control): bleached with 35% hydrogen peroxide (HP); G3: bleached and stored for 7 days in artificial saliva before restorative procedures; G4: bleached and treated with 10% sodium bicarbonate solution for 5 min; G5: bleached and treated with 10% sodium ascorbate hydrogel for 15 min...
September 2016: Brazilian Dental Journal
https://www.readbyqxmd.com/read/27982183/adhesives-doped-with-bioactive-niobophosphate-micro-filler-degree-of-conversion-and-microtensile-bond-strength
#8
Karina Kato Carneiro, Marcia Margarete Meier, Clenilton Costa Dos Santos, Adeilton Pereira Maciel, Ceci Nunes Carvalho, José Bauer
To evaluate the effect of incorporating niobium phosphate bioactive glass (NbG) into commercial etch-and-rinse adhesive systems, with and without silane, on their degree of conversion (DC) (%) and microtensile bond strength (μTBS). The NbG micro-filler was added to two etch-and-rinse adhesive systems: One Step (OS) and Prime & Bond (PB) at 40% concentration. The following groups were formed: control without glass addition OS; addition of unsilanized NbG (OSNbG); addition of silanized NbG (OSNbGS); control without glass PB; addition of unsilanized NbG (PBNbG); addition of silanized NbG (PBNbGS)...
October 2016: Brazilian Dental Journal
https://www.readbyqxmd.com/read/27982180/effects-of-contamination-by-hemostatic-agents-and-use-of-cleaning-agent-on-etch-and-rinse-dentin-bond-strength
#9
César Rogério Pucci, Rodrigo Maximo de Araújo, Ana Julia Farias de Lacerda, Mirella Anjos de Souza, Maria Filomena Rocha Lima Huhtala, Fernanda Alves Feitosa
The aim of this study was to evaluate the influence of contamination by hemostatic agents and rinsing with chlorhexidine on bond strength between dentin and resin composite. Ninety-six bovine teeth were sectioned to expose a flat dentin surface area. A standardized cavity with 2.0 mm in thickness, superficial diameter of 4.0 mm and bottom diameter of 3.0 mm was prepared with a diamond bur in each dentin specimen. The teeth were divided into four groups according to the hemostatic employed: G1: control; G2: use of ViscoStat, Ultradent; G3: Hemosthasegel, FGM; and G4: Hemostop, Dentsply...
October 2016: Brazilian Dental Journal
https://www.readbyqxmd.com/read/27933323/assessing-collagen-and-micro-permeability-at-the-proanthocyanidin-treated-resin-dentin-interface
#10
Berdan Aydin, Lina Saleh Hassan, Grace Viana, Ana K Bedran-Russo
PURPOSE: To establish a fluorescence-based method to simultaneously assess micro-permeability and collagen cross-linking induced by chemical agents at the resin-dentin interface. MATERIALS AND METHODS: Three chemical agents were investigated (proanthocyanidin-rich grape seed extract: GSE; carbodiimide hydrochloride/N-hydroxysuccinimide: EDC/NHS; glutaraldehyde: GD) along with a control (distilled water) as primers applied on flat occlusal dentin surfaces of 48 teeth and restored with two commercially available etch-and-rinse adhesives...
December 8, 2016: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/27900529/effectiveness-of-pit-and-fissure-sealants-bonded-with-different-adhesive-systems-a-prospective-randomized-controlled-trial
#11
Gizem Erbas Unverdi, Stephan Atilla Atac, Zafer Cavit Cehreli
OBJECTIVES: To evaluate and compare the clinical retention of a resin-based fissure sealant placed with an intermediate layer of etch-and-rinse (ER) or self-etch (SE) adhesives. MATERIALS AND METHODS: Two hundred twenty-eight sealants were placed in 57 children with previously unsealed, caries-free permanent first molars, employing a split-mouth design. The teeth were randomized into four groups (n = 57 teeth/groups) according to the adhesive system placed under the tested sealant (Delton FS+; Dentsply)...
November 30, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/27892839/influence-of-adhesive-type-and-placement-technique-on-postoperative-sensitivity-in-posterior-composite-restorations
#12
Trf Costa, M Rezende, A Sakamoto, B Bittencourt, P Dalzochio, A D Loguercio, A Reis
PURPOSE: This double blind, randomized clinical trial compared the postoperative sensitivity of the placement technique (incremental and bulk fill) in posterior composite resin restorations bonded with two different adhesive strategies (self-etch and etch-and-rinse). METHODS: Posterior dental cavities of 72 participants (n=236), with a cavity depth of at least 3 mm, were randomly divided into four groups. The restorations were bonded using either the etch-and-rinse Tetric N-Bond (Ivoclar Vivadent) or the self-etch Tetric N-Bond SE (Ivoclar Vivadent)...
November 28, 2016: Operative Dentistry
https://www.readbyqxmd.com/read/27878896/bonding-performance-of-universal-adhesives-to-er-cr-ysgg-laser-irradiated-enamel
#13
Muhammet Kerim Ayar, Fatih Erdemir
Universal adhesives have been recently introduced for use as self-etch or etch-and-rinse adhesives depending on the dental substrate and clinical condition. However, their bonding effectiveness to laser-irradiated enamel is still not well-known. Thus, the aim of this study was to compare the shear bond strength (SBS) of universal adhesives (Single Bond Universal; Nova Compo-B Plus) applied to Er,Cr:YSGG laser-irradiated enamel with SBS of the same adhesives applied in self-etch and acid-etching modes, respectively...
November 23, 2016: Microscopy Research and Technique
https://www.readbyqxmd.com/read/27871482/push-out-bond-strength-of-fiber-posts-to-intraradicular-dentin-using-multimode-adhesive-system
#14
Siavash Savadi Oskoee, Mahmoud Bahari, Soodabeh Kimyai, Saeed Asgary, Katayoun Katebi
INTRODUCTION: Because there is little information about bond strength of fiber posts cemented with a universal adhesive system (UAS) with different resin cements, the aim of this study was to compare the effect of different bonding strategies in the application of UASs on push-out bond strength of fiber posts to intraradicular dentin. METHODS: Seventy-two single-rooted teeth were randomly divided into 6 groups: self-adhesive resin cement (SAC), dual-cure resin cement (DCC), UAS in the etch-and-rinse (E&R) mode and SAC (E&R + SAC), UAS in the self-etch (SE) mode and SAC (SE + SAC), UAS in the E&R mode and DCC (E&R + DCC), and UAS in the SE mode and DCC (SE + DCC)...
December 2016: Journal of Endodontics
https://www.readbyqxmd.com/read/27869252/resin-dentin-bond-stability-of-experimental-4-meta-based-etch-and-rinse-adhesives-solvated-by-ethanol-or-acetone
#15
Cristiane Mariote Amaral, Alice Marques Diniz, Eugênio Braz Rodrigues Arantes, Glauco Botelho Dos Santos, Jaime Dutra Noronha-Filho, Eduardo Moreira da Silva
PURPOSE: To investigate the influence of 4-META concentration and type of solvent on the degree of conversion (DC%) and resin-dentin bond stability of experimental etch-and-rinse adhesives. MATERIALS AND METHODS: Four different concentrations of 4-META (12 wt%, 20 wt%, 30 wt%, 40 wt%) were added to a model adhesive system consisting of TEG-DMA (25 wt%), UDMA (20 wt%), HEMA (30 wt%), water (4 wt%), camphorquinone (0.5 wt%), and tertiary amine (0.5 wt%) dissolved in 20% acetone (A12, A20, A30 and A40) or 20% ethanol (E12, E20, E30 and E40)...
November 18, 2016: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/27862353/glutaraldehyde-collagen-cross-linking-stabilizes-resin-dentin-interfaces-and-reduces-bond-degradation
#16
Joshua Lee, Camila Sabatini
This study evaluated the stability of resin-dentin interfaces treated with glutaraldehyde-containing agents, and assessed collagen degradation in dentin matrices treated with Gluma. Microtensile bond strength (μTBS) was evaluated 24 h and 6 months after treatment with three desensitizers (Gluma Desensitizer, Gluma Desensitizer Power Gel, and MicroPrime G) and two etch-and-rinse adhesives (Comfort Bond & Desensitizer and iBond TE). Demineralized beams of human dentin were treated with water or Gluma, and the degradation of collagen in these beams was assessed by quantification of the dry mass loss and of the amount of hydroxyproline released from hydrolyzed specimens after 1 or 4 wk...
November 16, 2016: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/27847158/effect-of-interim-cement-application-on-bond-strength-between-resin-cements-and-dentin-immediate-and-delayed-dentin-sealing
#17
Vinícius C Brigagão, Luis F D Barreto, Kellem A S Gonçalves, Marina Amaral, Rafael P Vitti, Ana C C Neves, Laís R Silva-Concílio
STATEMENT OF PROBLEM: Despite the advances in materials and techniques, adhesion to dentin is challenging because of the complex composition of dentin's mineral, organic, and fluid phases. PURPOSE: The purpose of this in vitro study was to evaluate the bond strength of 2 different resin cements (conventional and self-adhesive) with or without previous dentin sealing and the effect of interim cement. MATERIAL AND METHODS: Forty-five molars were embedded into acrylic resin blocks and a flat dentin surface was exposed...
November 12, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27834413/can-degradation-of-adhesive-interfaces-due-to-water-storage-affect-stress-distributions-a-finite-element-stress-analysis-study
#18
Sema Belli, Oğuz Eraslan, Gürcan Eskitaşcıoğlu
PURPOSE: The aim of this finite-element stress analysis (FEA) was to determine the effect of degradation due to water storage on stress distributions in root-filled premolar models restored with composite using either a self-etch (SE) or an etch-and-rinse (E&R) adhesive. MATERIALS AND METHODS: Four premolar FEA models including root filling, MOD cavity, and composite restorations were created. The cavities were assumed to be treated by SE or E&R adhesives and stored in water for 18 months...
November 10, 2016: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/27834412/effect-of-sonic-application-of-universal-adhesive-systems-on-bond-strength-of-fiber-posts-to-root-canal
#19
Driellen C Zarpellon, Anna L Szesz, Alessandro D Loguercio, Cesar A G Arrais
PURPOSE: This study evaluated the push-out bond strength (BS) of fiber posts in root canals and the nanoleakage (NL) pattern at the bonding interface when universal adhesives were applied in etch-and-rinse mode to root dentin using an oscillating sonic device. MATERIALS AND METHODS: Fifty-four roots of human premolars were endodontically prepared and divided into 6 experimental groups according to the main factors: adhesive system/resin cement (Ambar Universal/AllCem, Scotchbond Universal/RelyX ARC, Prime&Bond Elect/Enforce) and application mode (vigorous manual or sonic)...
November 10, 2016: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/27834411/randomized-two-year-clinical-evaluation-of-oxalic-acid-in-restorations-of-noncarious-cervical-lesions
#20
André Mattos Brito de Souza, Nadine Luísa Guimarães Albuquerque, Juliano Sartori Mendonça, Lidiany Karla Azevedo Rodrigues, Sérgio Lima Santiago
PURPOSE: To evaluate the use of oxalic acid in restorations of noncarious cervical lesions. MATERIALS AND METHODS: Twenty volunteers of both sexes between 24 and 55 years old, with at least two lesions that were restored with the techniques to be evaluated, were selected. Ninety teeth were randomly divided into two groups: group 1, two-step etch-and-rinse adhesive technique (control) and group 2, pretreatment with oxalic acid followed by the application of a two-step etch-and-rinse adhesive system...
November 10, 2016: Journal of Adhesive Dentistry
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