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chlorhexidin bonding strength

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https://www.readbyqxmd.com/read/28597005/acid-etching-with-modified-phosphoric-acid-to-increase-the-longevity-of-the-bonded-interface
#1
Alessandro D Loguercio, Pamela Malaquias, Fabiane Pereira Dos Santos, Viviane Hass, Rodrigo Stanislawczuk, Suellen Nogueira Linares Lima, Matheus Coelho Bandeca, Alessandra Reis
PURPOSE: To evaluate the effect of three phosphoric acids modified with chlorhexidine (CHX), benzalkonium chloride (BAC), or proanthocyanidins (PRO) and one conventional phosphoric acid (CON) on the immediate (24 h; IM) and 1-year composite-dentin microtensile bond strength (μTBS) and nanoleakage (NL), using an etch-and-rinse adhesive. MATERIALS AND METHODS: A flat dentin surface was exposed on 28 caries-free extracted molars, which were then randomly assigned to four groups (n = 7)...
June 8, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28512536/effect-of-smear-clear-and-some-other-commonly-used-irrigants-on-dislodgement-resistance-of-mineral-trioxide-aggregate-to-root-dentin
#2
Mona Sadegh, Hasti Sohrabi, Mohamadjavad Kharazifard, Farzaneh Afkhami
BACKGROUND: This study aimed to assess the push-out bond strength of mineral trioxide aggregate (MTA) to root canal dentin after irrigation with Smear Clear in comparison with 2.5% sodium hypochlorite (NaOCl), 2% chlorhexidine (CHX) and saline as commonly used root canal irrigants. MATERIAL AND METHODS: The coronal and mid-root areas of maxillary anterior teeth were horizontally sectioned into one-millimeter thick slices. The root canal lumen of dentinal slices was dilated using a diamond bur with 1...
May 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28496517/root-canal-irrigants-and-dentin-bonding-an-update
#3
REVIEW
Zahed Mohammadi, Shapour Yaripour, Sousan Shalavi, Flavio Palazzi, Saeed Asgary
The purpose of the review was to assess the effect of root canal irrigants on dentin bonding. A PubMed-based search was conducted on the articles published from 1980 to 2016. A brief overview and reviewing the effect on dentin bonding of common root canal irrigation solutions such as sodium hypochlorite (NaOCl), chlorhexidine (CHX), ethylenediaminetetraacetic acid (EDTA), mixture of a tetracycline, acid and a detergent (MTAD) and ozone was conducted. Findings showed that, depending on the type of dentin bonding, using NaOCl may decrease, increase or not affect the bond strength...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28450671/effect-of-cavity-disinfectants-on-antibacterial-activity-and-microtensile-bond-strength-in-class-i-cavity
#4
Bo-Ram Kim, Man-Hwan Oh, Dong-Hoon Shin
This study was performed to compare the antibacterial activities of three cavity disinfectants [chlorhexidine (CHX), NaOCl, urushiol] and to evaluate their effect on the microtensile bond strength of Scotchbond Universal Adhesive (3M-ESPE, St. Paul, MN, USA) in class I cavities. In both experiments, class I cavities were prepared in dentin. After inoculation with Streptococcus mutans, the cavities of control group were rinsed and those of CHX, NaOCl and urushiol groups were treated with each disinfectant. Standardized amounts of dentin chips were collected and number of S...
April 26, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/28443835/effect-of-boric-acid-versus-conventional-irrigation-solutions-on-the-bond-strength-between-fiber-post-and-root-dentin
#5
Ahmet Kursad Culhaoglu, Erdal Özcan, Mehmet Ali Kilicarslan, Emre Seker
PURPOSE: To compare the effect of boric acid solutions of different percentages to conventional irrigation solutions on the adhesive bond strength between fiber posts and radicular dentin surface with different cement types. MATERIALS AND METHODS: One hundred fifteen extracted human incisors were endodontically instrumented to a length of 14-15 mm, and 12-mm post spaces were prepared with specific drills. Cylindrical fiber posts (Panavia Post) were luted with two different composite cements (Panavia F 2...
April 25, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28443834/influence-of-different-pretreatments-on-the-microtensile-bond-strength-to-eroded-dentin
#6
Shengjile Deari, Florian J Wegehaupt, Tobias T Tauböck, Thomas Attin
PURPOSE: To evaluate the influence of different pretreatments on the microtensile bond strength (μTBS) of an etchand- rinse adhesive to eroded dentin. MATERIALS AND METHODS: Thirty-six human teeth were ground down to their dentin layer and randomly divided into six groups (G1-G6; n = 6), G1 being the control group. Only in the test groups (G2-G6) were samples subjected to erosion using citric acid (pH 2.6) 10 x 2 min per day for five days. Between the erosive attacks, samples were stored in artificial saliva...
April 25, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28315376/effect-of-a-novel-quaternary-ammonium-silane-cavity-disinfectant-on-durability-of-resin-dentine-bond
#7
D Daood, C K Y Yiu, M F Burrow, L-N Niu, F R Tay
OBJECTIVE: The present study examined the effect of a quaternary ammonium silane (QAS) cavity disinfectant on the viability of human dental pulp cells, dentine bond durability and nanoleakage of simplified etch-and-rinse adhesives. METHODS: Etched dentine surface of third molars were randomly divided into two adhesive groups, Adper™ Single Bond 2 and Prime & Bond(®) NT™. For each adhesive, the teeth were randomly assigned to five cavity disinfectant groups (N=6): Group 1: deionised water (control); Group 2: 2% chlorhexidine (CHX); Group 3: 2% QAS; Group 4: 5% QAS and Group 5: 10% QAS...
May 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28298989/effects-of-different-intra-canal-medicaments-on-the-push-out-bond-strength-of-endodontic-sealers
#8
Sahar Shakouie, Shahriar Shahi, Mohammad Samiei, Amin-Salem Milani, Mohammad-Frough Reyhani, Sara Paksefat, Mahsa Eskandarinekhad, Negin Ghasemi
BACKGROUND: One of the essential properties of the root canal sealers is the adhesion to root canal dentin and their higher bond strength decreases the microleakage. The aim of the present study was to compare the effect of Different Intracanal medicaments on the push out bond strength of AH26 and MTA Fillapex sealers. MATERIAL AND METHODS: A total of 104 one-rooted extracted human teeth were divided into 4 (n=26) experimental groups. After the cleaning and shaping, the root canals were filled with Ca(OH)2, triantibiotic paste (TAP), Metapex or 2% chlorhexidine gel for two weeks...
March 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28293665/comparison-of-endodontic-medicaments-on-bond-strength-of-fiber-post-to-root-dentin-using-resin-cement
#9
Maryam Zare Jahromi, Mehrdad Barekatain, Shirin Ravanbod, Parisa Ranjbarian, Sara Kousehlar
STATEMENT OF THE PROBLEM: Endodontic irrigants and medicaments may affect the bond strength of intracanal posts to root dentin. PURPOSE: The aim of this study was to compare the effect of calcium hydroxide (Ca(OH)2) and 2% chlorhexidine gel (CHX) on bond strength of fiber post cemented with resin cement to root dentin. MATERIALS AND METHOD: This in vitro experimental study was conducted on 36 mandibular premolars. Canals were prepared using the step back technique...
March 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28274043/effect-of-mechanical-and-chemical-root-surface-treatment-on-the-shear-bond-strength-of-intracanal-post-in-primary-anterior-teeth-an-in-vitro-study
#10
Dhanalakshmi Ravikumar, Shanmugaavel Karthikeyan, Emg Subramanian, Deepa Gurunathan
INTRODUCTION: Aesthetic restoration of severely mutilated primary anterior teeth still remains as a special challenge to paediatric dentist. Due to increased parent's concern for aesthetic rehabilitation for their children, paediatric dentist are in a state to improve technique sensitive restorative procedure to improve aesthetic rehabilitation in children. AIM: The purpose of the study was to evaluate the effect of different root surface treatment on the shear bond strength of glass fibre reinforced post in primary anterior teeth using Universal Testing Machine (UTM)...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28253178/the-effect-of-proanthocyanidins-and-chlorhexidine-on-the-bond-strength-of-glass-fiber-posts-to-root-dentin
#11
Carla Cecilia Alandia-Román, Sergio Augusto Freitas Vincenti, Francisca Daniele Jardilino Silami, Renata Espíndola Silveira, Gustavo Col Dos Santos Pinto, Fernanda de Carvalho Panzeri Pires-de-Souza
In this study, the influence of different irrigant solutions applied before cementation on the bond strength (BS) of glass fiber posts to root dentin was evaluated. Thirty endodontically treated maxillary canines of similar length were selected and divided into 3 groups (n = 10) according to the irrigant solution used before post cementation: 1% sodium hypochlorite (NaOCl; control), 2% chlorhexidine (CHX), or a 6.5% grape seed extract (GSE) cross-linking agent. After cementation of the posts, the roots were transversely sectioned to create 2 discs (2 mm) for each of the root thirds: coronal, middle, and apical...
March 2017: General Dentistry
https://www.readbyqxmd.com/read/28185386/endodontic-irrigation-protocols-effects-on-bonding-of-adhesive-systems-to-coronal-enamel-and-dentin
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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...
March 2017: Angle Orthodontist
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