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https://www.readbyqxmd.com/read/28642929/influence-of-dentin-pretreatment-on-bond-strength-of-universal-adhesives
#1
Claudio Poggio, Riccardo Beltrami, Marco Colombo, Marco Chiesa, Andrea Scribante
Objective: The purpose of the present study was to compare bond strength of different universal adhesives under three different testing conditions: when no pretreatment was applied, after 37% phosphoric acid etching and after glycine application. Materials and methods: One hundred and fifty bovine permanent mandibular incisors were used as a substitute for human teeth. Five different universal adhesives were tested: Futurabond M+, Scotchbond Universal, Clearfil Universal Bond, G-Premio BOND, Peak Universal Bond...
January 2017: Acta Biomaterialia Odontologica Scandinavica
https://www.readbyqxmd.com/read/28642928/effect-of-curing-and-silanizing-on-composite-repair-bond-strength-using-an-improved-micro-tensile-test-method
#2
Sigfus Thor Eliasson, Jon E Dahl
Objectives: To evaluate the micro-tensile repair bond strength between aged and new composite, using silane and adhesives that were cured or left uncured when new composite was placed. Methods: Eighty Filtek Supreme XLT composite blocks and four control blocks were stored in water for two weeks and thermo-cycled. Sandpaper ground, etched and rinsed specimens were divided into two experimental groups: A, no further treatment and B, the surface was coated with bis-silane. Each group was divided into subgroups: (1) Adper Scotchbond Multi-Purpose, (2) Adper Scotchbond Multi-Purpose adhesive, (3) Adper Scotchbond Universal, (4) Clearfil SE Bond and (5) One Step Plus...
January 2017: Acta Biomaterialia Odontologica Scandinavica
https://www.readbyqxmd.com/read/28642919/correlation-between-antioxidant-activity-and-bonding-strength-on-bleached-enamel
#3
Hellen Caroliny De Carvalho, Ricardo Danil Guiraldo, Regina Célia Poli-Frederico, Sandra Mara Maciel, Sandra Kiss Moura, Murilo Baena Lopes, Sandrine Bittencourt Berger
Objective: This study used the 2,2-diphenyl-1-picryl-hydrazyl-hydrate (DPPH) method to evaluate the percentage of antioxidant activity (%AA) of green tea (GT) and sodium ascorbate (SA) gel in three concentrations (10%, 20% and 30%), and the influence of these concentrations on the microshear bond strength (μ-SBT) values of bleached enamel, using 10% carbamide peroxide (CP). Materials and methods: Eighty intact third molars were selected to perform the μ-SBT test, and were randomly divided into eight experimental groups: G1: positive control - no treatment; G2: negative control - bleached with CP; G3: PC +10% GT; G4: PC +20% GT; G5: PC +30% GT; G6: PC +10% SA; G7: PC +20% SA and G8: PC +30% SA...
December 2016: Acta Biomaterialia Odontologica Scandinavica
https://www.readbyqxmd.com/read/28642915/pre-treating-dentin-with-chlorhexadine-and-cpp-acp-self-etching-and-universal-adhesive-systems
#4
Ricardo Alves Dos Santos, Eliane Alves de Lima, Marcos Antônio Japiassu Resende Montes, Rodivan Braz
Objective: The aim of the present study was to compare the effect of pre-treating dentin with chlorhexidine, at concentrations of 0.2% and 2%, and remineralizing paste containing CPP-ACP (MI Paste - GC) on the bond strength of adhesive systems. Material and methods: In total, 80 slides of dentin were used. These slides were 2 mm thick and were obtained from bovine incisors. Standard cavities were created using diamond bur number 3131. In the control groups, a Scotchbond Universal Adhesive (SUA) self-etching adhesive system of 3M ESPE and a Clearfil SE Bond (CSE) adhesive system of Kuraray were applied, following the manufacturer's instructions...
December 2016: Acta Biomaterialia Odontologica Scandinavica
https://www.readbyqxmd.com/read/28620631/the-effect-of-titanium-tetrafluoride-and-sodium-hypochlorite-on-the-shear-bond-strength-of-methacrylate-and-silorane-based-composite-resins-an-in-vitro-study
#5
Farahnaz Sharafeddin, Fatemeh Koohpeima, Nader Razazan
STATEMENT OF THE PROBLEM: The bond strength of composites with different adhesive systems with dentin is an important factor in long term durability of composite restorations. The effect of titanium tetrafluoride (TiF4) as anti caries agent and sodium hypochlorite (NaOCl) as disinfectant on the shear bond of nanofilled and silorane based composite resins have not been investigated in previous studies. PURPOSE: This study was conducted to determine bond strength between dentin and two composite systems, by means of shear bond test using TiF4 and NaOCl...
June 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28619380/early-intra-articular-corticosteroid-injection-improves-pain-and-function-in-adhesive-capsulitis-of-shoulder-1-year-retrospective-longitudinal-study
#6
Jung Hwan Ahn, Doo-Hyung Lee, Hyuncheol Kang, Michael Y Lee, Dae Ryong Kang, Seung-Hyun Yoon
BACKGROUND: Intra-articular corticosteroid injection is a commonly used therapy for adhesive capsulitis, but not enough studies exist on the optimal timing of the injection. OBJECTIVE: To determine whether intra-articular corticosteroid injection has better outcomes in patients with earlier stage than later stage of adhesive capsulitis. STUDY DESIGN: Retrospective longitudinal study SETTING: University-affiliated tertiary care hospital. PARTICIPANTS: Primary adhesive capsulitis patients (n=339) who were unresponsive to at least 1 month of conservative treatment and who had ultrasound-guided corticosteroid injection...
June 12, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28619151/effects-of-vitamin-d-and-its-metabolites-on-cell-viability-and-staphylococcus-aureus-invasion-into-bovine-mammary-epithelial-cells
#7
Yuan Yue, Lone Hymøller, Søren K Jensen, Charlotte Lauridsen, Stig Purup
Vitamin D has been found have various biological effects that may be potent in preventing bovine mastitis. Two forms of vitamin D, vitamin D2 (D2) and vitamin D3 (D3), can be hydroxylated to functional metabolites in cattle. The objectives of the present study were to investigate the potential of vitamin D compounds for controlling bovine mastitis using in vitro cell models, and to compare the differences between D2 and D3 compounds. Results showed that D2 compounds have comparable effects to their D3 analogues on inhibiting MAC-T cell viability in vitro...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28617531/controlled-release-mitomycin-c-polylactic-acid-film-prevents-epidural-scar-hyperplasia-after-laminectomy-by-inducing-fibroblast-autophagy-and-regulating-the-expression-of-mirnas
#8
B-B Wang, H Xie, T Wu, N Xie, J Wu, Y Gu, F Tang, J Liu
OBJECTIVE: To design a new controlled-release MMC-PLA film and explore whether and how this film could prevent epidural scar hyperplasia and adhesion in a post-laminectomy rat model. MATERIALS AND METHODS: All procedures were performed under the approval and supervision of the Institutional Animal Care and Use Committee (IACUC) of Nanjing Medical University. A total of 120 Sprague-Dawley (SD) rats were randomly placed into four groups after laminectomy (each group=30 rats)...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28605611/short-and-long-term-bond-strength-between-resin-cement-and-glass-ceramic-using-a-silane-containing-universal-adhesive
#9
F Murillo-Gómez, F A Rueggeberg, M F De Goes
This study aimed to evaluate the effect of various silane-containing solutions on bonding between resin cement and glass ceramic after 24 hours and after six months of water storage. Glass-ceramic plaques (IPS e.max CAD) were sandblasted with aluminum oxide, etched with 10% hydrofluoric acid (HF), and divided into five "silane treatment" groups: RelyX Ceramic Primer (RCP), RelyX Ceramic Primer and Single Bond Plus (RCP+SB), Scotchbond Universal (SBU), Clearfil Ceramic Primer (CP), and no solution (HF-only control)...
June 12, 2017: Operative Dentistry
https://www.readbyqxmd.com/read/28605191/mussel-inspired-polyglycerol-coatings-with-controlled-wettability-from-superhydrophilic-to-superhydrophobic-surface-coatings
#10
Christoph Schlaich, Qiang Wei, Rainer Haag
Facile approaches to substrate-independent surface coatings with special wettability properties, such as superhydrophobicity, superhydrophilicity, and superamphiphobicity, have been limited. To address this problem, we combined two separate biomimetic concepts of mussel-inspired adhesion and highly hierarchical lotuslike surface structures to develop a universal fabrication method for various superwetting systems on any kind of material. In this feature article, we summarize our work on mussel-inspired polyglycerol (MI-dPG) and its application in the area of superwetting interfacial materials...
June 21, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28602478/short-term-copper-intrauterine-device-placement-improves-the-implantation-and-pregnancy-rates-in-women-with-repeated-implantation-failure
#11
Xiaoyan Mao, Jie Zhang, Qiuju Chen, Yanping Kuang, Shaozhen Zhang
OBJECTIVE: To study if hysteroscopy and short-term copper intrauterine device placement (Cu-IUD) improves the pregnancy rates of women with repeated implantation failure (RIF) undergoing frozen-thawed embryo transfer (FET). DESIGN: Retrospective study. SETTING: Medical university hospital. PATIENT(S): Infertile women with at least two implantation failures with the use of at least one good-quality embryo. INTERVENTION(S): All patients received operative hysteroscopy in the follicular cycle, and if endometrial polyps, polypoid endometrium, or intrauterine adhesions were found they were removed...
June 8, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28597008/effect-of-reduced-phosphoric-acid-pre-etching-times-%C3%A2-on-enamel-surface-characteristics-and-shear-fatigue-strength-using-universal-adhesives
#12
Akimasa Tsujimoto, Nicholas G Fischer, Wayne W Barkmeier, Andrew G Baruth, Toshiki Takamizawa, Mark A Latta, Masashi Miyazaki
PURPOSE: To examine the effect of reduced phosphoric acid pre-etching times on enamel fatigue bond strength of universal adhesives and surface characteristics by using atomic force microscopy (AFM). MATERIALS AND METHODS: Three universal adhesives were used in this study (Clearfil Universal Bond [C], G-Premio Bond [GP], Scotchbond Universal Adhesive [SU]). Four pre-etching groups were employed: enamel pre-etched with phosphoric acid and immediately rinsed with an air-water spray, and enamel pre-etched with phosphoric acid for 5, 10, or 15 s...
June 8, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28597007/tensile-bond-strength-of-so-called-universal-primers-and-universal-multimode-adhesives-to-zirconia-and-lithium-disilicate-ceramics
#13
Adham Elsayed, Feras Younes, Frank Lehmann, Matthias Kern
PURPOSE: To test the bond strength and durability after artificial aging of so-called universal primers and universal multimode adhesives to lithium disilicate or zirconia ceramics. MATERIALS AND METHODS: A total of 240 ceramic plates, divided into two groups, were produced and conditioned: 120 acid-etched lithium disilicate plates (IPS e.max CAD) and 120 air-abraded zirconia plates (Zenostar T). Each group was divided into five subgroups (n = 24), and a universal restorative primer or multimode universal adhesive was used for each subgroup to bond plexiglas tubes filled with a composite resin to the ceramic plate...
June 8, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28584416/effect-of-comonomer-of-methacrylic-acid-on-flexural-strength-and-adhesion-of-staphylococcus-aureus-to-heat-polymerized-poly-methyl-methacrylate-resin-an-in-vitro-study
#14
Lokendra Gupta, I N Aparna, Sujatha Bhat, Kishore Ginjupalli
AIMS AND OBJECTIVE: The purpose of the present study was to evaluate and compare flexural strength and Staphylococcus aureus adhesion of heat-activated poly (methyl methacrylate [MMA]) resin modified with a comonomer of methacrylic acid (MAA) and MMA monomer. MATERIALS AND METHODS: Comonomer preparation was done with the addition of varying concentration of MAA (0, 15, 20, and 25 wt %) to the MMA of conventional heat-activated denture base resin to prepare the specimens...
April 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28580465/effect-of-mdp-containing-silane-and-adhesive-used-alone-or-in-combination-on-the-long-term-bond-strength-and-chemical-interaction-with-lithium-disilicate-ceramics
#15
Andres Millan Cardenas, Fabiana Siqueira, Viviane Hass, Pâmela Malaquias, Mario Felipe Gutierrez, Alessandra Reis, Jorge Perdigão, Alessandro D Loguercio
PURPOSE: To evaluate the effect of a silane and an adhesive containing MDP, used alone or combined in the same solution, on the microshear bond strength (μSBS) to lithium disilicate ceramics immediately and after 1-year water storage, and compare the bond strength results with the Raman spectra of the treated lithium disilicate surfaces. MATERIALS AND METHODS: A total of 30 CAD/CAM blocks of lithium disilicate (LD; IPS e.max CAD) were cut into four square sections (6 x 6 x 6 mm; n = 60 per group) and processed as recommended by the manufacturer...
June 2, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28574438/an-evaluation-of-the-binding-strength-of-okra-gum-and-the-drug-release-characteristics-of-tablets-prepared-from-it
#16
Amjad Hussain, Farah Qureshi, Nasir Abbas, Muhammad Sohail Arshad, Ejaz Ali
The aim of this study is to evaluate the adhesion ability of okra gum, which is gaining popularity as a tablet binder. For this purpose, gum was extracted from okra pods, and the binding strength of different concentrations (1%, 3%, and 5%) was determined quantitatively. Additionally, naproxen sodium tablets were prepared by using okra gum as a binder and were evaluated for their properties including hardness, friability, disintegration time, and dissolution rate. The binding strength values were compared with that of pre-gelatinized starch, a commonly used tablet binder...
June 2, 2017: Pharmaceutics
https://www.readbyqxmd.com/read/28574094/effect-of-storage-medium-and-aging-duration-on-mechanical-properties-of-self-adhesive-resin-based-cements
#17
Anja Liebermann, Nicoleta Ilie, Malgorzata Roos, Bogna Stawarczyk
BACKGROUND: The aim of this study was to investigate the effects of storage medium and aging duration on Martens hardness (HM) and indentation modulus (EIT) of self-adhesive resin-based cements (SARCs). METHODS: A total of 416 discs were fabricated from 8 SARCs (n = 52 per SARC): (i) BeautyCem (BEA), (ii) Bifix SE (BIF), (iii) Clearfil SA Cement Automix (CLE), (iv) RelyX Unicem2 Automix (RXU), (v) SeT (SET), (vi) SmartCem 2 (SMC), (vii) SoloCem (SOC) and (viii) SpeedCEM (SPC)...
May 24, 2017: Journal of Applied Biomaterials & Functional Materials
https://www.readbyqxmd.com/read/28571262/evaluation-of-microleakage-with-total-etch-self-etch-and-universal-adhesive-systems-in-class-v-restorations-an-in-vitro-study
#18
Anjali Gupta, Pradeep Tavane, Pankaj Kumar Gupta, Bellam Tejolatha, Ashik Ali Lakhani, Ram Tiwari, Shruti Kashyap, Gaurav Garg
INTRODUCTION: Adhesive dentistry is overwhelmingly evolving with respect to the dental surgeon's and patient's perspective. Embracing the concept of minimally invasive dentistry which follows minimum intervention performed to produce good adhesion and tooth coloured restoration, in turn makes the newer generation bonding agents more acceptable and appropriate withstanding the demand for stable restoration. AIM: To study and compare the extent of microleakage between tooth and restoration interface in class V composite resin restorations applying one Total Etch (Adper(TM) single bond), two Self Etch (Adper(TM) SE Plus, Adper(TM) Easy One) and Universal bonding agents using dye penetration method...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28552335/effect-of-air-blowing-duration-on-the-bond-strength-of-current-one-step-adhesives-to-dentin
#19
Jiale Fu, Pipop Saikaew, Shimpei Kawano, Ricardo M Carvalho, Matthias Hannig, Hidehiko Sano, Denis Selimovic
OBJECTIVES: To evaluate the influence of different air-blowing durations on the micro-tensile bond strength (μTBS) of five current one-step adhesive systems to dentin. METHODS: One hundred and five caries-free human molars and five current one-step adhesive systems were used: ABU (All Bond Universal, Bisco, Inc.), CUB (CLEARFIL™ Universal Bond, Kuraray), GPB (G-Premio BOND, GC), OBA (OptiBond All-in-one, Kerr) and SBU (Scotchbond Universal, 3M ESPE). The adhesives were applied to 600 SiC paper-flat dentin surfaces according to each manufacturer's instructions and were air-dried with standard, oil-free air pressure of 0...
May 25, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28544784/presynaptic-congenital-myasthenic-syndrome-with-a-homozygous-sequence-variant-in-lama5-combines-myopia-facial-tics-and-failure-of-neuromuscular-transmission
#20
Ricardo A Maselli, Juan Arredondo, Jessica Vázquez, Jessica X Chong, Michael J Bamshad, Deborah A Nickerson, Marian Lara, Fiona Ng, Victoria L Lo, Peter Pytel, Craig M McDonald
Defects in genes encoding the isoforms of the laminin alpha subunit have been linked to various phenotypic manifestations, including brain malformations, muscular dystrophy, ocular defects, cardiomyopathy, and skin abnormalities. We report here a severe defect of neuromuscular transmission in a consanguineous patient with a homozygous variant in the laminin alpha-5 subunit gene (LAMA5). The variant c.8046C>T (p.Arg2659Trp) is rare and has a predicted deleterious effect. The affected individual, who also carries a rare homozygous sequence variant in LAMA1, had muscle weakness, myopia, and facial tics...
May 25, 2017: American Journal of Medical Genetics. Part A
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