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Dentin bonding agent

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https://www.readbyqxmd.com/read/29782890/novel-dental-adhesive-resin-with-crack-self-healing-antimicrobial-and-remineralization-properties
#1
Shichao Yue, Junling Wu, Qiang Zhang, Ke Zhang, Michael D Weir, Satoshi Imazato, Yuxing Bai, Hockin H K Xu
OBJECTIVES: Secondary caries at the tooth-restoration margins is a primary reason for restoration failure. Cracks at the margins lead to leakage which can trap bacteria, producing acids to cause caries. To date, there has been no report on developing an adhesive resin that has self-healing, antibacterial and remineralizing capabilities. The objectives of this study were to: (1) develop the first self-healing adhesive with antimicrobial and remineralizing capabilities, and (2) investigate the effects of incorporating microcapsules, dimethylaminohexadecyl methacrylate (DMAHDM) and nanoparticles of amorphous calcium phosphate (NACP) for the first time...
May 18, 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29768091/effect-of-830-nm-diode-laser-irradiation-of-root-canal-on-bond-strength-of-metal-and-fiber-post
#2
Claudia Strefezza, Marcello Magri Amaral, José Quinto, Sheila Cynthia Gouw-Soares, Claudia Bianchi Zamataro, Denise Maria Zezell
OBJECTIVE AND BACKGROUND: The correct selections of the cementing agent, the endodontic post material and placement protocol are critical to provide an increased longevity of the teeth that went through endodontic treatment. The irradiation with diode laser before post cementation, can promote an antimicrobial effect. However, there is a lack of information about the effect of 830 nm diode laser on the post bond strength. This study analyzed the effect of dentin root canal irradiation with high-intensity diode laser, at 830 nm, operating in continuous or pulsed mode, on the retention of metal or fiber posts, cemented with self-etching resinous composite (Panavia F) and zinc phosphate cement (ZnPO4 )...
May 16, 2018: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/29765895/effect-of-smear-layer-deproteinization-on-bonding-of-self-etch-adhesives-to-dentin-a-systematic-review-and-meta-analysis
#3
Khaldoan H Alshaikh, Hamdi H H Hamama, Salah H Mahmoud
Objectives: The aim of this systematic review was to critically analyze previously published studies of the effects of dentin surface pretreatment with deproteinizing agents on the bonding of self-etch (SE) adhesives to dentin. Additionally, a meta-analysis was conducted to quantify the effects of the above-mentioned surface pretreatment methods on the bonding of SE adhesives to dentin. Materials and Methods: An electronic search was performed using the following databases: Scopus, PubMed and ScienceDirect...
May 2018: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/29750232/in-vitro-evaluation-of-bond-strength-of-four-self-etching-cements
#4
Julio Chávez-Lozada, Carmen Urquía-Morales
Indirect restorations need to be attached with adhesive luting agents to prevent them from becoming dislodged and provide adequate marginal sealing. The aim of this study was to evaluate bond strength to dentin of self-etching resin cements. MATERIALS AND METHODS: 75 flat dentin surfaces were randomly distributed among 5 groups, according to cements used; Group 1: RelyxU100 (3M/ESPE), Group 2: Bis Cem (Bisco), Group 3: Max Cem (Kerr), Group 4: SeT PP (SDI) and Group 5: Relyx ARC (3M/ESPE), control...
December 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29731837/phosphoric-and-carboxylic-methacrylate-esters-as-bonding-agents-in-self-adhesive-resin-cements
#5
Wenshu Liu, Hongmei Meng, Zhiguang Sun, Riwen Jiang, Chang-An Dong, Congxiao Zhang
The aim of the present study was to investigate the effect of pH and phosphoric ester structure (phosphonate or phosphate) on the bond strength of different dental restorative materials. The following three self-adhesive resin cements were used in the present study: RelyX™ Unicem, Maxcem and Multilink Sprint The pH of each cement was measured using a pH meter. The cements were used to attach a variety of restorative materials to human dentin and the bond strength was measured by assessing shear strength using a universal testing machine...
May 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29670735/microleakage-of-porcelain-laminate-veneers-cemented-with-different-bonding-techniques
#6
Satheesh B Haralur
Background: Porcelain laminate veneers (PLV) are continued to be popular in modern dental practice due to its high aesthetic outcome and conservative tooth preparation. The composite resins are commonly used as luting agents for cementation of PLV. Polymerisation shrinkage induced marginal gap and interfacial leakage is the persistent limitation with the resin luting cements. The objective of the study was to assess the effect of various dentin bonding techniques on the microleakage after accelerated ageing in porcelain laminate veneres...
February 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29628645/an-ex-vivo-evaluation-of-effect-of-dentin-pretreatment-with-various-agents-for-varying-time-intervals-on-the-shear-bond-strength-of-resin
#7
Nidhi Bharti, Anil Chandra, A P Tikku, Promila Verma, Ramesh Bharti, Vijay Kumar Shakya, Rhythm Bains
Background: This article highlights the contribution of collagen structure/stability to the bond strength. We hypothesize that induction of cross-linking in dentin collagen fibrils improves dentin collagen stability and thus bond strength with composite also improves. Aims: The aim of the study was to evaluate the effect of collagen cross-linking agents on the shear bond strength of composite resins. Subjects and Methods: One hundred human permanent teeth were randomly divided into three groups: Group I ( n = 20) - no dentin pretreatment done, Group II - dentin pretreatment with 10% sodium ascorbate for 5 min (IIa) and 10 min (IIb), and Group III - dentin pretreatment with 6...
January 2018: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29628643/protocols-for-sodium-ascorbate-application-on-intracoronary-dentin-bleached-with-high-concentrated-agent
#8
Thiago Vinicius Cortez, Isabella Rodrigues Ziotti, Renata Siqueira Scatolin, Silmara Aparecida Milori Corona, Aline Evangelista Souza-Gabriel
Purpose: Composite resin restorations are normally replaced after the internal bleaching of endodontically treated-teeth because the bleaching agent does not alter the color of the restorative material. This study evaluated the effect of 10% sodium ascorbate (SA) applied at different protocols on bleached dentin. Materials and Methods: One-hundred slabs of intracoronary bovine dentin were divided into 5 groups: 2 controls-GI without bleaching (positive), GII bleached with 35% hydrogen peroxide (HP) (negative); and 3 experimentals - GIII...
January 2018: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29550716/enhancing-bond-strength-on-demineralized-dentin-by-pre-treatment-with-selective-remineralising-agents
#9
Luiz Filipe Barbosa-Martins, Jossaria Pereira de Sousa, Aline Rogéria Freire de Castilho, Julia Puppin-Rontani, Robert P W Davies, Regina Maria Puppin-Rontani
Bonding to demineralized dentin of a diseased tooth has shown to be a significant clinical issue. This study evaluated the effect of 0.2% NaF-(NaF), MI Paste™-(CPP-ACP) and the self-assembling peptide 'P11 - 4 ' (Ace-QQRFEWEFEQQ-NH2 ) contained in Curodont™ Repair, have on microtensile bond strength-(µTBS) of two different adhesive systems (Adper™ Single Bond-(SB) or Clearfil™ SE Bond (CSE)) and wettability of demineralized dentin slices after remineralising agents were applied. The highest µTBS were found for the demineralized dentin-(DD) treated with CPP-ACP; both adhesives systems (p < 0...
March 10, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29513641/effect-of-baicalein-on-matrix-metalloproteinases-and-durability-of-resin-dentin-bonding
#10
J Li, B Chen, N Hong, S Wu, Y Li
OBJECTIVE: In an attempt to increase resin-dentin bonding quality, this study used baicalein as a preconditioner in an etch-and-rinse adhesive to evaluate its effect on matrix metalloproteinases (MMPs) and adhesive durability. METHODS: As a MMP inhibitor and potential collagen cross-linking agent, baicalein was used as a preconditioner in an etch-and-rinse adhesive system. The degree of conversion was evaluated by Fourier-transform infrared spectroscopy. EnzChek gelatinase/collagenase assay kits were then used to detect the MMP inhibitory effect of different concentrations of baicalein (0...
March 7, 2018: Operative Dentistry
https://www.readbyqxmd.com/read/29497444/effects-of-ethanol-concentrations-of-acrylate-based-dental-adhesives-on-microtensile-composite-dentin-bond-strength-and-hybrid-layer-structure-of-a-10-wt-polyhedral-oligomeric-silsesquioxane-poss-incorporated-bonding-agent
#11
Seyed Mostafa Mousavinasab, Mohammad Atai, Mehrdad Barekatain, Parisa Fattahi, Amir Fattahi, Vahid Rakhshan
Background: The aim of this study was to assess for the first time the effects of different amounts of ethanol solvent on the microtensile bond strength of composite bonded to dentin using a polyhedral oligomeric silsesquioxane (POSS)-incorporated adhesive. Materials and Methods: This experimental study was performed on 120 specimens divided into six groups (in accordance with the ISO TR11405 standard requiring at least 15 specimens per group). Occlusal dentin of thirty human molar teeth was exposed by removing its enamel...
January 2018: Dental Research Journal
https://www.readbyqxmd.com/read/29386775/the-effects-of-endodontic-substances-and-naturally-reducing-agents-on-the-bond-strength-of-epoxy-resin-based-sealer-to-root-dentin
#12
Doglas Cecchin, Ana Paula Farina, Ana Karina Bedran-Russo
Aim: To evaluate the effects of sodium hypochlorite (NaOCl), chlorhexidine (CHX), and two naturally derived reducing agents on the bond strength of epoxy resin-based sealer to root dentin. Materials and Methods: A total of 60 single-rooted human teeth were prepared using ProTaper (Dentsply Tulsa Dental Specialties, Johnson City, TN, USA) and an irrigation protocol including 5% NaOCl or 2% CHX gel, and ethylenediaminetetraacetic acid (EDTA), for smear layer removal...
September 2017: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29379905/preheated-composite-resin-used-as-a-luting-agent-for-indirect-restorations-effects-on-bond-strength-and-resin-dentin-interfaces
#13
Marcelo Goulart, Barbara Borges Veleda, Deisi Damin, Glaucia Maria Bovi Ambrosano, Fabio Herrmann Coelho de Souza, Maria Carolina Guilherme Erhardt
PURPOSE: The aim of this study was to evaluate the effect of preheating composite resins used as luting agents for indirect restorations on microtensile bond strength (µTBS) and adhesive interfaces. MATERIAL AND METHODS: Fifty sound extracted third molars were used. Ten experimental groups were formed with three different luting agents: one resin cement (RelyX ARC) and two composite resins (Venus and Z250 XT). The composite resins were tested both at room temperature and when preheated to 64°C...
2018: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/29358152/how-proteolytic-inhibitors-interact-with-dentin-on-glass-fiber-post-luting-over-6-months
#14
Larissa Pinceli Chaves, Thales Lippi Ciantelli, Diana F G Araújo, Marina Ciccone Giacomini, Leo Tjäderhane, Polliana Mendes Candia Scaffa, Heitor Marques Honório, Linda Wang
OBJECTIVES: Enzyme inhibitors minimize the degradation of unprotected collagen of dentin promoted by matrix metalloproteinases (MMPs) and cysteine cathepsins (CCs). As the evidence of their effect on the root canal is limited, this study aimed to evaluate the role of EDTA, chlorhexidine and E-64 as antiproteolytic agents on the bond strength (BS) of glass-fiber posts in root canals. MATERIALS AND METHODS: Ninety-six bovine roots were distributed in groups for each time point (n = 8)...
March 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29345388/dentin-bond-strength-and-nanoleakage-of-the-adhesive-interface-after-intracoronal-bleaching
#15
Vanessa Cavalli, Maicon Sebold, Mirela Sanae Shinohara, Patrícia Nóbrega Rodrigues Pereira, Marcelo Giannini
This study evaluated dentin bond strength (BS) and nanoleakage of non- and pre-etched dentin immediately (T0 ,), 7 days (T7 ), and 14 days (T14 ) after bleaching. Bovine incisors (150) were selected and half of them submitted to intrapulpal dentin etching (e). Non- and pre-etched dentin were subjected to the following (n = 15): no bleaching/control (C); 35% carbamide peroxide (CP); 35% hydrogen peroxide (35% HP); 25% hydrogen peroxide (25% HP); and sodium perborate (SP). Bleaching agents were applied to the pulp chamber four times within a 72-h interval...
January 18, 2018: Microscopy Research and Technique
https://www.readbyqxmd.com/read/29326512/evaluating-the-effect-of-different-conditioning-agents-on-the-shear-bond-strength-of-resin-modified-glass-ionomers
#16
Namith Rai, Rajaram Naik, Ravi Gupta, Shobana Shetty, Amith Singh
Aim of the Study: This study aims to evaluate the effects three different conditioning agents on the shear bond strength of resin-modified glass ionomers to human dentin. Materials and Methods: One hundred and twenty recently extracted, caries-free premolars and molars will be cleaned of debris and disinfected in a 0.5% solution of sodium hypochlorite and sterile water for 30 min. The occlusal surface of each tooth will be reduced using conventional model trimmer with water to produce the dentin surface...
October 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29279675/the-effect-of-two-cross-linking-agents-on-dentin-bond-strength-of-resin-modified-glass-ionomer
#17
Fereshteh Shafiei, Maryam Firouzmandi, Moona Zamanpour
Objectives: The hybrid layer at the interface of resin-modified glass ionomer cements and dentin is prone to degradation by endogenous matrix metalloproteinases. We aimed to investigate the effect of two types of collagen crosslinkers, carbodiimide and proanthocyanidin (PA), on immediate and medium-term bond strength of a resin-modified glass ionomer to dentin. Materials and Methods: Seventy-two molars were flattened on the occlusal surface to expose dentin. The specimens were divided into control, 1-ethyl-3-(3-dimethylaminopropy) carbodiimide hydrochloride (EDC), and PA groups ( n = 24)...
October 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/29279617/effect-of-saliva-and-blood-contamination-on-the-shear-bond-strength-of-fifth-seventh-and-eighth-generation-bonding-agents-an-in-vitro-study
#18
Sonali Taneja, Manju Kumari, Shreya Bansal
Aim: To evaluate the bond strength of different adhesives after contamination with saliva and blood at various steps of application. Materials and Methods: Buccal surfaces of 180 human premolars were sliced to expose dentin. The specimens were randomly divided into six groups ( n = 30), in which saliva and blood were used as contaminants in three groups each. The groups were further divided according to the generation (fifth - OptiBond Solo Plus Kerr, USA; seventh - OptiBond All-In-One Kerr, USA; eighth - Futurabond DC, Voco, Germany) of the adhesive used...
May 2017: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29276777/patient-centered-dentinal-hypersensitivity-treatment-outcomes-results-from-the-national-dental-pbrn
#19
M W Heft, M S Litaker, D T Kopycka-Kedzierawski, C Meyerowitz, S Chonowski, R L Yardic, V V Gordan, R Mungia, G H Gilbert
Dentinal hypersensitivity (DH) can have a significant impact on oral health and functioning, and it is a clinical symptom commonly managed by dentists during routine clinical practice. DH symptoms are typically elicited by otherwise innocuous, nonpainful stimuli applied to exposed dentin (e.g., tactile stimuli, warming or cooling temperatures or air puffs). Treatment approaches have sought to directly target the dentinal pulp tissues or close dentinal tubules via dental office care and treatment services (fluoride varnishes, glutaraldehydes, bonding agents, sealants, oxalates, or lasers) or home care services (toothpastes or dentifrices containing fluoride or potassium nitrate compounds)...
January 2018: JDR Clinical and Translational Research
https://www.readbyqxmd.com/read/29228763/prevention-of-erosions-by-a-surface-sealant-and-adhesives-under-abrasive-conditions
#20
Florian J. Wegehaupt, Géraldine Kummer, Thomas Attin
It was the aim of the current in vitro study to test the erosion-preventive potential of an experimental surface sealant (K-0184) and currently marketed self-etch adhesive systems under abrasive conditions. Ninety-six dentine specimens were randomly allocated to eight groups (n=12): (1) positive control (no treatment), (2) K-0184, (3) Shield Force Plus, (4) Xeno Select, (5) Scotchbond Universal, (6) Adhese Universal, (7) OptiBond All-In-One, and (8) Clearfil SE Bond. Before and after sealing, dentine specimens were measured profilometrically to determine the layer thickness of the protective agents...
September 17, 2017: Swiss Dental Journal
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