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Dentin bonding agent

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https://www.readbyqxmd.com/read/28527844/evaluation-of-various-pretreatments-to-fiber-post-on-the-push-out-bond-strength-of-root-canal-dentin
#1
Ömer Kırmalı, Özlem Üstün, Alper Kapdan, Alper Kuştarcı
INTRODUCTION: The aim of this in vitro study was to compare the effect of different pretreatments (fiber post) with the laser-activated irrigation (LAI) technique (for removal of the smear layer) on root canal dentin in terms of push-out bond strength (PBS) in a fiber post. METHODS: Fifty freshly extracted mandibular single-rooted premolars were prepared, and LAI was applied to all roots (17% EDTA was 5 mL for 120 seconds with an erbium, chromium:yttrium-scandium-gallium-garnet laser [0...
May 17, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28512491/pulp-response-following-direct-pulp-capping-with-dentin-adhesives-and-mineral-trioxide-aggregate-an-animal-study
#2
Ali Akhavan, Farahnaz Arbabzadeh, Majid Bouzari, Sayed Mohammad Razavi, Amin Davoudi
INTRODUCTION: Pulp vitality and its continuous dentin prodution are essential for long-term success of direct pulp capping (DPC). The aim of present study was to evaluate the histopathological response of the canine pulp following DPC using either different dentin adhesive resins (DAR), calcium hydroxide (CH) or mineral trioxide aggregate (MTA). METHODS AND MATERIALS: DPC was done on 72 dog's teeth using 6 types of dental materials (n=12) (4 types of DAR, white MTA and CH)...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28499097/substantivity-of-carbodiimide-inhibition-on-dentinal-enzyme-activity-over-time
#3
A Mazzoni, V Angeloni, N Sartori, S Duarte, T Maravic, L Tjäderhane, D H Pashley, F R Tay, L Breschi
The use of 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide HCl (EDC) has recently been investigated for its effectiveness in the prevention of collagen degradation over time and the improvement of resin-dentin bond durability. The objective of the present study was to evaluate the effects of a 0.3 M EDC-containing conditioner on endogenous enzymatic activities within the hybrid layer (HL) created by a self-etch or an etch-and-rinse adhesive after 1 y. The activity within the HL was examined using in situ zymography and confocal laser scanning microscopy after 24 h or 1-y storage in artificial saliva...
May 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28443835/effect-of-boric-acid-versus-conventional-irrigation-solutions-on-the-bond-strength-between-fiber-post-and-root-dentin
#4
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/28377645/comparative-evaluation-of-bond-strength-and-microleakage-of-standard-and-expired-composite-at-resin-dentin-interface-an-in-vitro-study
#5
Nidhi Talreja, Shilpy Singla, N D Shashikiran
BACKGROUND: Evaluation of bond strength and microleakage caused by polymerization shrinkage provides a screening mechanism and an indication of the potential for the clinical success of composite restorations. AIM: The aim of this study was to determine the effect on shear bond strength and microleakage of standard and expired composites. MATERIALS AND METHODS: Selected specimens were etched using 37% phosphoric acid for 15 seconds and were randomly divided into four groups...
January 2017: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28376622/mechanical-loading-influences-the-viscoelastic-performance-of-the-resin-carious-dentin-complex
#6
Manuel Toledano, Raquel Osorio, Modesto T López-López, Fátima S Aguilera, Franklin García-Godoy, Manuel Toledano-Osorio, Estrella Osorio
The aim of this study was to evaluate the changes in the mechanical behavior and bonding capability of Zn-doped resin-infiltrated caries-affected dentin interfaces. Dentin surfaces were treated with 37% phosphoric acid (PA) followed by application of a dentin adhesive, single bond (SB) (PA+SB) or by 0.5 M ethylenediaminetetraacetic acid (EDTA) followed by SB (EDTA+SB). ZnO microparticles of 10 wt. % or 2 wt. % ZnCl2 was added into SB, resulting in the following groups: PA+SB, PA+SB-ZnO, PA+SB-ZnCl2, EDTA+SB, EDTA+SB-ZnO, EDTA+SB-ZnCl2...
April 4, 2017: Biointerphases
https://www.readbyqxmd.com/read/28317350/-effects-of-dentin-demineralization-and-bond-strength-properties-of-bioactive-glass-containing-resin-adhesive
#7
Wang Yu, Gong Ling, Ji Yan, Zheng Lichun, Chen Song
OBJECTIVE: This study investigated the shear bond strength and the ability of resin adhesive containing different amounts of bioactive glass (BG) to prevent dentin demineralization. METHODS: BG bonds at 30%, 40%, and 50% concentrations comprised a mixture of coupling agents modifying BG and Single Bond 2. Forty permanent premolars extracted for orthodontic treatment were randomly divided into four groups, namely, control group (BG-free), 30% BG group, 40% BG group, and 50% BG group...
August 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28298987/effect-of-different-concentrations-of-specific-inhibitor-of-matrix-metalloproteinases-on-the-shear-bond-strength-of-self-adhesive-resin-cements-to-dentin
#8
Mohammad-Esmaeel Ebrahimi-Chaharom, Mehdi Abed-Kahnamoui, Mahmoud Bahari, Hamed Hamishehkar, Mahya Gharouni
BACKGROUND: Considering the probability of chemical and enzymatic reactions between matrix metalloproteinases (MMPs) in the dentin structure and their specific inhibitors, the aim of the present study was to evaluate the effect of different concentrations of specific inhibitor of MMPs (galardin) on the shear bond strength of self-adhesive resin cements to dentin. MATERIAL AND METHODS: Forty-eight sound human premolars were mounted in self-cured acrylic resin after removal of the enamel on the buccal and lingual surfaces...
March 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28274042/evaluation-of-the-shear-bond-strength-of-composite-resin-to-wet-and-dry-enamel-using-dentin-bonding-agents-containing-various-solvents
#9
Carounanidy Usha, Sathyanarayanan Ramarao, Bindu Meera John, Praveen Rajesh, S Swatha
INTRODUCTION: Bonding of composite resin to dentin mandates a wet substrate whereas, enamel should be dry. This may not be easily achievable in intracoronal preparations where enamel and dentin are closely placed to each other. Therefore, Dentin Bonding Agents (DBA) are recommended for enamel and dentinal bonding, where enamel is also left moist. A research question was raised if the "enamel-only" preparations will also benefit from wet enamel bonding and contemporary DBA. AIM: The aim of this study was to compare the shear bond strengths of composite resin, bonded to dry and wet enamel using fifth generation DBA (etch and rinse system) containing various solvents such as ethanol/water, acetone and ethanol...
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
#10
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/28245928/evaluation-of-dental-adhesive-systems-incorporating-an-antibacterial-monomer-eugenyl-methacrylate-egma-for-endodontic-restorations
#11
A Almaroof, S A Niazi, L Rojo, F Mannocci, S Deb
OBJECTIVE: The purpose of this study was to incorporate EgMA, an antibacterial monomer into two commercial dental adhesive systems for their application in endodontic restoration with the aim to disinfect the root canal space before curing and to inhibit bacterial growth on their surfaces after being cured. METHODS: EgMA monomer was added at 20%wt. into the formulation of the single-component self-etch, Clearfil Universal Bond™ (CUB) and into the catalyst and the adhesive components of the total-etch Adper Scotchbond-multipurpose™ (SBMP) adhesive systems...
February 25, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28228165/determining-optimal-fluorescent-agent-concentrations-in-dental-adhesive-resins-for-imaging-the-tooth-restoration-interface
#12
Odair Bim Júnior, Marco A Cebim, Maria T Atta, Camila M Machado, Luciana F Francisconi-Dos-Rios, Linda Wang
Fluorescent dyes like Rhodamine B (RB) have been used to identify the spatial distribution of adhesive restorative materials in the tooth/restoration interface. Potential effects of the addition of RB to dental adhesives were addressed in the past, but no further information is available on how to determine suitable concentrations of RB in these bonding agents for imaging in the confocal laser scanning microscope. This study provides systematical strategies for adding RB to viscous dental adhesive resins, focusing on the determination of the lowest range of dye concentrations necessary to achieve an acceptable image of the dentin/adhesive interface...
February 2017: Microscopy and Microanalysis
https://www.readbyqxmd.com/read/28210436/effect-of-disinfecting-the-cavity-with-chlorhexidine-on-the-marginal-gaps-of-cl-v-giomer-restorations
#13
Soodabeh Kimyai, Fatemeh Pournaghi-Azar, Fereshteh Naser-Alavi, Ashkan Salari
BACKGROUND: Considering the effect of cavity disinfecting agents on the bonding and sealing ability of restorations bonded to dentin, the aim of this study was to evaluate the effect of chlorhexidine (CHX) disinfecting agent on the marginal gaps of Cl V giomer restorations. MATERIAL AND METHODS: Cl V cavities were prepared on the buccal surfaces of 60 sound bovine permanent incisors in this in vitro study, with the occlusal and gingival margins in enamel and dentin, respectively...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28182040/the-effect-of-acrylate-based-dental-adhesive-solvent-content-on-microleakage-in-composite-restorations
#14
Mahboubeh Mirzakhani, Sayed Mostafa Mousavinasab, Mohammad Atai
BACKGROUND: This study aimed to evaluate the effect of different percentages of ethanol solvent of an experimental methacrylate-based dentin bonding agent containing polyhedral oligomeric silsesquioxanes (POSS) on the microleakage of resin composite restorations. MATERIALS AND METHODS: In this experimental study, 42 extracted human premolar teeth used and 84 standard Class V cavities were prepared on the buccal and lingual surfaces of the teeth. The teeth were divided into 6 groups of 7...
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28149468/effect-of-water-storage-on-ultimate-tensile-strength-and-mass-changes-of-universal-adhesives
#15
Nazanin Bahrololumi, Amirreza Beglou, Ahmad Najafi-Abrandabadi, Alireza Sadr, Seyedeh-Mahsa Sheikh-Al-Eslamian, Amir Ghasemi
BACKGROUND: The aim of the present study was to evaluate the influence of water storage on micro tensile strength (µTS) and mass changes (MC) of two universal adhesives. MATERIAL AND METHODS: 10 disk-shaped specimens were prepared for each adhesive; Scotchbond Universal (SCU) All-Bond Universal (ABU) and Adper Single Bond 2 (SB2). At the baseline and after 1 day and 28 days of water storage, their mass were measured and compared to estimate water sorption and solubility...
January 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28127329/effect-of-etching-time-and-preparation-on-push-out-bond-strength-of-composite-to-intracanal-dentin-of-primary-anterior-teeth
#16
Shahram Mosharrafian, Hossein Afshar, Maryam Farbod, Zahra Baniameri
OBJECTIVES: This in-vitro study aimed to compare the push-out bond strength of composite to prepared and unprepared intracanal dentin using a 5th generation bonding agent in primary anterior teeth after etching for seven and 15 seconds. MATERIALS AND METHODS: Sixty primary anterior teeth were randomly divided into four groups. In groups one and two, intracanal dentin remained intact while in groups three and four it was prepared using a #5 round bur and low-speed handpiece...
September 2016: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/28127325/effect-of-re-etching-of-oxalate-occluded-dentin-on-microleakage-of-composite-resin-restorations
#17
Aida Saffarpour, Maryam Ghavam, Anna Saffarpour, Kimiya Sadighi, Mohammad Javad Kharazifard
OBJECTIVES: This study aimed to assess the effect of re-etching of desensitized dentin for five and 10 seconds on marginal microleakage of composite restorations. MATERIALS AND METHODS: Class V cavities (4×2×2mm) were prepared on the buccal surfaces of 64 third molars and randomly divided into four groups of 16. In the control group, Single Bond (SB) adhesive was applied after etching. In BB+SB group, after application of BisBlock (BB) desensitizer agent (which needs etching), SB adhesive was used...
September 2016: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/28090034/evaluation-of-sub-surface-penetration-and-bonding-durability-of-self-etching-primer-systems-to-er-yag-laser-treated-cervical-dentin
#18
Zhengdi He, Lingling Chen, Yasushi Shimada, Junji Tagami, Shuangchen Ruan
This study aimed to investigate self-etching bonding systems penetrating in sub-surface dentin layer after Er:YAG laser irradiation and micro-shear bonding durability over a period of 1 year. Dentin slices obtained from extracted human third molars were prepared. Two self-etching adhesive systems were evaluated: Clearfil SE Bond and Clearfil Tri-S Bond. Specimens were tested for micro-shear bond strength with one of the following treatments: Er:YAG laser irradiation and 600-grit silicon paper polishing at 24 h, 7 days, 6 months and 1 year...
March 31, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/28024641/poly-amido-amine-and-nano-calcium-phosphate-bonding-agent-to-remineralize-tooth-dentin-in-cyclic-artificial-saliva-lactic-acid
#19
Kunneng Liang, Michael D Weir, Mark A Reynolds, Xuedong Zhou, Jiyao Li, Hockin H K Xu
The objectives of this study were to develop a novel method to remineralize dentin lesions, and investigate the remineralization effects of poly (amido amine) (PAMAM) dendrimer plus a bonding agent with nanoparticles of amorphous calcium phosphate (NACP) in a cyclic artificial saliva/lactic acid environment for the first time. Dentin lesions were produced via phosphoric acid. Four groups were tested: (1) dentin control, (2) dentin with PAMAM, (3) dentin with NACP bonding agent, and (4) dentin with PAMAM plus NACP bonding agent...
March 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27994318/resin-bond-strength-to-water-versus-ethanol-saturated-human-dentin-pretreated-with-three-different-cross-linking-agents
#20
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
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