نتایج جستجو برای: single bond

تعداد نتایج: 933791  

Journal: :Journal of the American Chemical Society 2011

Journal: :Brazilian dental journal 2016
Rafael Leonardo Xediek Consani Tatiane Marinho Atais Bacchi Ricardo Armini Caldas Victor Pinheiro Feitosa Carmem Silvia Pfeifer

The study verified the bond strength in simulated dental restorations of silorane- or methacrylate-based composites repaired with methacrylate-based composite. Methacrylate- (P60) or silorane-based (P90) composites were used associated with adhesive (Adper Single Bond 2). Twenty-four hemi-hourglass-shaped samples were repaired with each composite (n=12). Samples were divided according to groups...

Journal: :journal of dentistry, tehran university of medical sciences 0
daniel galafassi department of operative dentistry, ribeirãopreto school of dentistry, university of são paulo, ribeirãopreto, brazil. vivian colucci department of operative dentistry, ribeirãopreto school of dentistry, university of são paulo, ribeirãopreto, brazil. doglas cecchin assistant professor, department of endodontics, university of passo fundo, passo fundo, brazil. camila scatena department of pediatric dentistry, ribeirãopreto school of dentistry, university of são paulo, ribeirãopreto, brazil. telma n nascimento associated professor, department of operative dentistry, ribeirãopreto school of dentistry, university of são paulo, ribeirãopreto, brazil. silmara a m corona associated professor, department of operative dentistry, ribeirãopreto school of dentistry, university of são paulo, ribeirãopreto, brazil.

the bond strength of adhesives in irrigated dentin behaves differently over time. the aim of this study was to evaluate the influence of long-term water storage and thermocycling on the microtensile bond strength of adhesive systems to dentin irrigated with endodontic solutions.sixty human molars were used after removal of the occlusal portion and exposure of the dentin by grinding. the specime...

Journal: :dental research journal 0
mohammad reza malekipour farzaneh shirani mehrnoush ebrahimi

background: the purpose of this study was to evaluate the effect of washing water temperature on the micro‑shear bond strength (μsbs) of composite resin to dentin using a two‑step etch‑and‑rinse system and a two‑step self‑etching system. materials and methods: in this in vitro study , the intact dentins of buccal and lingual surfaces of healthy third molars were exposed. dentin surfaces were ri...

2009
Martial Boggio-Pasqua Michael A. Robb Gerrit Groenhof

We have performed excited-state dynamics simulations of a Photoactive Yellow Protein chromophore analogue in water. The results of the simulations demonstrate that in water the chromophore predominantly undergoes single-bond photoisomerization, rather than double-bond photoisomerization. Despite opposite charge distributions in the chromophore, excited-state decay takes place very efficiently f...

Journal: :iranian endodontic journal 0
mohammad frough reyhani negin ghasemi saeed rahimi amin salem milani hadi mokhtari sahar shakouie

introduction: the aim of the present experimental study was to evaluate the push-out bond strength of dorifill, epiphany and mta-fillapex sealers to root canal dentin in presence and absence of smear layer (sl). methods and materials: sixty human single-rooted teeth were selected and divided into six groups ( n= 10). the canal irrigation protocol in groups 1, 3 and 5 consisted of 2.5% naocl dur...

Journal: :physical chemistry research 0
samira peymani ferdowsi university of mashhad mohammad izadyar ferdowsi university of mashhad ali nakhaeipour ferdowsi university of mashhad

in this study, kinetics and mechanism of the sulfur dioxide adsorption on the single-walled carbon nanotubes (cnt) are investigated. three single-walled carbon nanotubes, including the armchair (6,6), chiral (6,5) and zigzag (6,0) cnts were chosen as the models and the different orientations of so2 molecule relative to the cnt axis were considered. the b3lyp functional within the 6-31g(d) basis...

Journal: :Biophysical journal 2012
Sebastian Getfert Peter Reimann

In dynamic force spectroscopy, a (bio-)molecular complex is subjected to a steadily increasing force until the chemical bond breaks. Repeating the same experiment many times results in a broad distribution of rupture forces, whose quantitative interpretation represents a formidable theoretical challenge. In this study we address the situation that more than a single molecular bond is involved i...

2013
Beheshteh Malekafzali Amir Ghasemi Hassan Torabzadeh Reza Hamedani Nekoo Tadayon

OBJECTIVE Multiple adhesive coating is a controversial topic, especially in primary dentition that should be clarified. We evaluated the effect of multiple consecutive adhesive resin coatings on the microshear bond strength (μSBS) of composite resin to primary tooth dentin utilizing a filled (Adper Single Bond Plus) and an unfilled (Adper Single Bond) adhesive resin. MATERIALS AND METHODS Thi...

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