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chlorhexidin bonding strength

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https://www.readbyqxmd.com/read/28185386/endodontic-irrigation-protocols-effects-on-bonding-of-adhesive-systems-to-coronal-enamel-and-dentin
#1
Marcos Paulo Marchiori Carvalho, Victor Hugo Carvalho Morari, Alexandre Henrique Susin, Rachel De Oliveira Rocha, Luiz Felipe Valandro, Fabio Zovico Maxnuck Soares
OBJECTIVE:  To evaluate the influence of endodontic irrigation protocols on bond strength of total-etch and self-etch adhesive systems to coronal enamel and dentin. MATERIALS AND METHODS:  A total of 66 coronal slices from 11 permanent molars were assigned to six groups (n = 11): endodontic irrigation protocols (5% sodium hypochlorite + 17% EDTA; 2% chlorhexidine gel + saline solution + 17% EDTA or no solution - control) and adhesive systems (Adper Single Bond 2 or Clearfil SE Bond)...
February 10, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28177560/effects-of-an-endodontic-auxiliary-chemical-substance-on-the-bond-strength-of-two-methacrylate-based-endodontic-sealers-to-dentin
#2
Roger Nicolini Fuzinatto, Ana Paula Farina, Matheus Albino Souza, Daniela Cristina Miyagaki, Caio Cézar Randi Ferraz, Doglas Cecchin
PURPOSE: To evaluate the influence of irrigation protocols and drying procedures on the bond strength of two methacrylate-based sealers to dentin and the associated failure pattern using scanning electron microscopy (SEM). MATERIALS AND METHODS: Fifty single-rooted human teeth were prepared with an irrigation protocol using either 5.25% sodium hypochlorite (NaOCl) or 2% chlorhexidine (CHX) and 17% EDTA (ethylenediaminetetraacetic acid) for smear layer removal. The following subgroups were also created based on drying of the root canal walls: paper points, the canals were blot dried with paper points with the last one appearing dry; or, ethanol, excess distilled water was removed with paper points followed by dehydration with 95% ethanol for 1 min and blotting with paper points...
February 8, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28081572/exposed-dentin-influence-of-cleaning-procedures-and-simulated-pulpal-pressure-on-bond-strength-of-a-universal-adhesive-system
#3
Simon Flury, Anne Peutzfeldt, Patrick R Schmidlin, Adrian Lussi
PURPOSE: To compare various pre-treatments serving as cleaning procedures of dentin on the bond strength of resin composite promoted by a universal adhesive system applied either in the absence or presence of simulated pulpal pressure. MATERIALS AND METHODS: Prior to application of the adhesive system (Scotchbond Universal) and resin composite (Filtek Z250), ground dentin surfaces were given one of five pre-treatments either without or with simulated pulpal pressure: 1) no pre-treatment, adhesive system in "self-etch" mode, 2) phosphoric acid etching, adhesive system in "total-etch" mode, 3) polishing with pumice on prophylaxis cup, 4) air abrasion with AIR-FLOW PLUS powder, 5) air abrasion with AIR-FLOW PERIO powder; n = 20/group of pre-treatment...
2017: PloS One
https://www.readbyqxmd.com/read/27982180/effects-of-contamination-by-hemostatic-agents-and-use-of-cleaning-agent-on-etch-and-rinse-dentin-bond-strength
#4
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/27904087/push-out-bond-strength-of-a-new-post-system-after-various-post-space-treatments
#5
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/27866000/effectiveness-of-final-decontamination-protocols-against-enterococcus-faecalis-and-its-influence-on-bond-strength-of-filling-material-to-root-canal-dentin
#6
Matheus Albino Souza, Daniel Dalla Lana, Ezequiel Gabrielli, Marlos Barbosa Ribeiro, Daniela Cristina Miyagaki, Doglas Cecchin
AIM: The aim of this study was to evaluate the effectiveness of final decontamination protocols against Enterococcus faecalis and their influence on bond strength of filling material to root canal dentin. MATERIAL AND METHODS: Ninety root canals were enlarged with ProTaper system and inoculated with E. faecalis for 15 days. Sixty samples were randomly divided into six groups (n=10) and subjected to following protocols: G1-distilled water(control), G2-2% chlorhexidine, G3-QMix, G4-6...
November 16, 2016: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/27790256/the-effects-of-various-endodontic-irrigants-on-the-push-out-bond-strength-of-calcium-enriched-mixture-cement-and-mineral-trioxide-aggregate
#7
Safoora Sahebi, Fereshte Sobhnamayan, Sina Naghizade
INTRODUCTION: The aim of this in vitro study was to evaluate the effect of various irrigants on the push-out bond strength of calcium-enriched mixture (CEM) cement and mineral trioxide aggregate (MTA). METHODS AND MATERIALS: A total of 140 dentin disks with a thickness of 1.5±0.2 mm and lumen size of 1.3 mm, were randomly divided into 12 groups (n=10) and 4 control groups (n=5). The lumen of disks in groups 1, 2, 3, 7, 8, 9 were filled with CEM and groups 4, 5, 6, 10, 11, 12 were filled with MTA...
2016: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/27789366/controlled-drug-release-from-hydrogels-for-contact-lenses-drug-partitioning-and-diffusion
#8
A F R Pimenta, J Ascenso, J C S Fernandes, R Colaço, A P Serro, B Saramago
Optimization of drug delivery from drug loaded contact lenses assumes understanding the drug transport mechanisms through hydrogels which relies on the knowledge of drug partition and diffusion coefficients. We chose, as model systems, two materials used in contact lens, a poly-hydroxyethylmethacrylate (pHEMA) based hydrogel and a silicone based hydrogel, and three drugs with different sizes and charges: chlorhexidine, levofloxacin and diclofenac. Equilibrium partition coefficients were determined at different ionic strength and pH, using water (pH 5...
December 30, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27598781/antimicrobial-and-physical-characteristics-of-orthodontic-primers-containing-antimicrobial-agents
#9
Shin-Hye Chung, Soha Cho, Kyungsun Kim, Bum-Soon Lim, Sug-Joon Ahn
OBJECTIVE: To compare the antimicrobial and physical properties of experimental primers containing chlorhexidine (CHX) or ursolic acid (UA) with a commercial primer. MATERIALS AND METHODS: Two antibacterial agents, 3 mg each of CHX and UA were incorporated respectively into 1 ml of Transbond XT primer (TX) to form antibacterial primers, TX-CHX and TX-UA. The antimicrobial activity of the three primers (TX, TX-CHX, and TX-UA) against Streptococcus mutans in both planktonic and biofilm phases was analyzed by determining minimum inhibitory and bactericidal concentrations and by performing growth and biofilm assays...
September 6, 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/27558263/development-of-a-cavity-disinfectant-containing-antibacterial-monomer-mdpb
#10
N Hirose, R Kitagawa, H Kitagawa, H Maezono, A Mine, M Hayashi, M Haapasalo, S Imazato
An experimental cavity disinfectant (ACC) that is intended to be used for various direct and indirect restorations was prepared by adding an antibacterial monomer 12-methacryloyloxydodecylpyridinum bromide (MDPB) at 5% into 80% ethanol. The antibacterial effectiveness of ACC and its influences on the bonding abilities of resin cements were investigated. To examine the antibacterial activity of unpolymerized MDPB, the minimum inhibitory and bactericidal concentrations (MIC and MBC) were determined for Streptococcus mutans, Lactobacillus casei, Actinomyces naeslundii, Parvimonas micra, Enterococcus faecalis, Fusobacterium nucleatum, and Porphyromonas gingivalis Antibacterial activities of ACC and the commercial cavity disinfectant containing 2% chlorhexidine and ethanol (CPS) were evaluated by agar disk diffusion tests through 7 bacterial species and by MIC and MBC measurement for S...
December 2016: Journal of Dental Research
https://www.readbyqxmd.com/read/27524231/experimental-primers-containing-synthetic-and-natural-compounds-reduce-enzymatic-activity-at-the-dentin-adhesive-interface-under-cyclic-loading
#11
Ana Beatriz Silva Sousa, Cristina M P Vidal, Ariene Arcas Leme-Kraus, Fernanda C P Pires-de-Souza, Ana K Bedran-Russo
OBJECTIVE: To evaluate the effect of experimental primers (chlorhexidine, enriched mixture of proanthocyanidins, and doxycycline) on the adhesive properties and gelatinolytic activity at dentin-resin interfaces of occlusal Class I restorations. METHODS: The inactivation of enzymes by the experimental primers was assessed by fluorescence assay and gelatin zymography. To assess the adhesive properties, occlusal Class I cavities were prepared in sound human molars, etched with phosphoric acid and restored with one of the primers and an etch-and-rinse adhesive system (Adper Single Bond Plus-3M ESPE)...
October 2016: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/27419245/effect-of-dentin-pretreatment-on-bond-strength-stability-of-self-etching-and-etch-and-rinse-adhesives-to-intracoronally-bleached-dentin
#12
Ilzes Marianne Borges de Souza, Camila Silva Araújo, Carlos José Soares, André Luis Faria-E-Silva
PURPOSE: To evaluate the effect of chlorhexidine or glutaraldehyde pretreatment on the bonding stability of selfetching and etch-and-rinse adhesives to bleached dentin. MATERIALS AND METHODS: The occlusal surface of 80 third molars was abraded to expose a flat mid-dentin surface, which was then subjected to a bleaching procedure using 20% hydrogen peroxide and sodium perborate for 14 days. Afterwards, the specimens were kept in distilled water, followed by application of either a three-step etchand- rinse (Adper Scotchbond Multi-Purpose Plus, SBMP) or a two-step self-etching (Clearfil SE Bond, CSE) adhesive system...
2016: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/27383701/effect-of-green-tea-extract-on-bonding-durability-of-an-etch-and-rinse-adhesive-system-to-caries-affected-dentin
#13
Carolina Carvalho, Fernando Pelegrim Fernandes, Valeria da Penha Freitas, Fabiana Mantovani Gomes França, Roberta Tarkany Basting, Cecilia Pedroso Turssi, Flávia Lucisano Botelho Amaral
OBJECTIVE: Green tea extract has been advocated as a matrix metalloproteinase (MMP) inhibitor; however, its effect on bond durability to caries-affected dentin has never been reported. Thus, the aim of this in vitro study was to evaluate the effect of two MMP inhibitors (2% chlorhexidine and 2% green tea extract), applied after acid etching, on bond durability of an etch-and-rinse adhesive system to caries-affected dentin. MATERIAL AND METHODS: Occlusal enamel was removed from third molars to expose the dentin surface, and the molars were submitted to a caries induction protocol for 15 days...
May 2016: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/27195231/comparative-evaluation-of-compressive-strength-diametral-tensile-strength-and-shear-bond-strength-of-gic-type-ix-chlorhexidine-incorporated-gic-and-triclosan-incorporated-gic-an-in-vitro-study
#14
Shipra Jaidka, Rani Somani, Deepti J Singh, Shazia Shafat
AIM: To comparatively evaluate the compressive strength, diametral tensile strength, and shear bond strength of glass ionomer cement type IX, chlorhexidine-incorporated glass ionomer cement, and triclosan-incorporated glass ionomer cement. MATERIALS AND METHODS: In this study, glass ionomer cement type IX was used as a control. Chlorhexidine diacetate, and triclosan were added to glass ionomer cement type IX powder, respectively, in order to obtain 0.5, 1.25, and 2...
April 2016: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/27141222/the-effect-of-canal-dryness-on-bond-strength-of-bioceramic-and-epoxy-resin-sealers-after-irrigation-with-sodium-hypochlorite-or-chlorhexidine
#15
Hasan Razmi, Behnam Bolhari, Negar Karamzadeh Dashti, Mahta Fazlyab
INTRODUCTION: The aim of this in vitro study was to evaluate the effect of canal dryness on the push-out bond strength of two resin sealers (AH-Plus and Adseal) and a bioceramic sealer (Endosequence BC sealer) after canal irrigation with sodium hypochlorite (NaOCl) and chlorhexidine (CHX). METHODS AND MATERIALS: A total of 18 extracted human premolars were used. Canals were prepared and were divided to two groups based on irrigation solution (either NaOCl or CHX)...
2016: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/27041008/peel-bond-strength-of-soft-lining-materials-with-antifungal-to-a-denture-base-acrylic-resin
#16
Adelaida Sánchez-Aliaga, Cláudia Viviane Guimarães Pellissari, Cesar Augusto Galvão Arrais, Milton Domingos Michél, Karin Hermana Neppelenbroek, Vanessa Migliorini Urban
The effect of the addition of nystatin, miconazole, ketoconazole, chlorhexidine, and itraconazole into the soft lining materials Softone and Trusoft on their peel bond strength to a denture base acrylic resin was evaluated. Specimens of soft lining materials (n=7) were made without (control) or with the incorporation of antifungals at their minimum inhibitory concentrations to the biofilm of C. albicans and bonded to the acrylic resin. Peel testing was performed after immersion in distilled water at 37ºC for 24 h, 7 and 14 days...
2016: Dental Materials Journal
https://www.readbyqxmd.com/read/26999386/effect-of-disinfection-on-the-bond-strength-between-denture-teeth-and-microwave-cured-acrylic-resin-denture-base
#17
Adaias O Matos, Josiane O Costa, Thamara Beline, Erika S Ogawa, Wirley G Assunção, Marcelo F Mesquita, Rafael X Consani, Valentim A Barão
PURPOSE: Denture tooth debonding is a common complication for denture wearers; however, the effect of complete denture disinfection on bonding between denture teeth and acrylic resin remains unclear. The aim of this study was to evaluate the effect of disinfection methods on the bond strength between denture teeth and microwave-cured acrylic resin denture base. MATERIALS AND METHODS: Three commercial brands of denture teeth (Trilux, Biolux, Vipi Dent Plus) and one microwave-cured acrylic resin denture base were tested...
March 21, 2016: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/26963210/effect-of-chlorhexidine-on-dentin-bond-strength-of-two-adhesive-systems-after-storage-in-different-media
#18
Enio Marcos Da Silva, Daniel Hatschbach Glir, Allana Walesca Martins Castanho Gill, Allan Fernando Giovanini, Adilson Yoshio Furuse, Carla Castiglia Gonzaga
The aim of this study was to evaluate the effect of 2% chlorhexidine (CHX) application during the bonding protocol on microshear bond strength of two adhesive systems, after storage in different media. Seventy-two human molars had their crowns cut in half and embedded in PVC cylinders with acrylic resin. The specimens were randomly divided into experimental groups (n=12) according to the adhesive system (Ambar and Single Bond 2), use of CHX in the bonding protocol, and time interval (24 h and 15 days) in the storage media (distilled water, mineral oil and 1% sodium hypochlorite - NaOCl)...
November 2015: Brazilian Dental Journal
https://www.readbyqxmd.com/read/26957803/the-effects-of-chlorhexidine-and-ethanol-on-push-out-bond-strength-of-fiber-posts
#19
Keli Regina Victorino, Milton Carlos Kuga, Marco Antonio Hungaro Duarte, Bruno Cavalini Cavenago, Marcus Vinicius Reis Só, Jefferson Ricardo Pereira
CONTEXT: Irrigation of root canals with chlorhexidine (CHX) and ethanol is common practice to prevent root canal infection during postplacement. However, pretreatment with these solvents may interfere with the bond strength of posts. AIMS: This study aimed to evaluate if root dentin pretreatment using CHX and/or ethanol influences the push-out bond strength of fiber-reinforced composite resin (FRCR) posts. MATERIALS AND METHODS: Fifty space posts prepared in endodontically treated extracted human canine roots were randomly divided into five groups (n = 10) according to the dentin pretreatment: Distilled water (W); 1% CHX diacetate solution (1C); CHX diacetate + 99% ethanol (1CE); 99% ethanol (E); and 2% CHX digluconate solution (2C)...
January 2016: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/26957786/effect-of-digluconate-chlorhexidine-on-bond-strength-between-dental-adhesive-systems-and-dentin-a-systematic-review
#20
Dimitrios Dionysopoulos
AIM: This study aimed to systematically review the literature for the effect of digluconate chlorhexidine (CHX) on bond strength between dental adhesive systems and dentin of composite restorations. MATERIALS AND METHODS: The electronic databases that were searched to identify manuscripts for inclusion were Medline via PubMed and Google search engine. The search strategies were computer search of the database and review of reference lists of the related articles...
January 2016: Journal of Conservative Dentistry: JCD
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