نتایج جستجو برای: bonding agent

تعداد نتایج: 295563  

2016
Mashallah Khanehmasjedi Mohammad Ali Naseri Samaneh Khanehmasjedi

Objectives: The present study was carried out to compare the shear bond strength of metallic brackets bonded with single Bond and Assure bonding agents under dry and saliva contamination conditions. Materials and Methods: A total 60 sound premolar teeth were selected for the purpose of this in vitro study and stainless steel brackets were bonded on enamel surfaces with single bond and assure bo...

ژورنال: مجله دندانپزشکی 2004
آرامی, سکینه, عباس زاده, مریم, قوام, مریم,

Statement of Problem: Considering that the role of collagen fibers in dentin adhesion has not been thoroughly established yet, the removal of exposed collagen fibers with a deproteinization agent such as sodium hypochlorite following etching may facilitate access of adhesive resins to a substrate that is more penetrable and less sensitive to water content which in turn would lead to a more dura...

Arezoo Arabipoor Elahe Mirzaaga Marzieh Shiva, Mitra Frotan

In surrogate pregnancies genetic parents have little opportunity for early bonding with their infants either prenatally (in utero) or during the immediate postnatal period. Procedures commonly used to induce lactation include both pharmacologic and nonpharmacologic methods often in combination. Studies reporting induced lactation are sparse due to the rarity of augmented lactation. Here we repo...

Journal: :E3S web of conferences 2023

Polymer-modified mortar is made of with the addition copolymer acrylic. An acrylic one additives suitable for repair because it can increase overall durability cement. This research investigates bond strength between polymer-modified and concrete substrate treatment on surface. investigation focused determining effect copolymers strength. In addition, this study also investigated surface a bond...

Journal: :Dental materials journal 1987
K Itoh S Wakumoto

The effect of momentary pretreatment by 35% HEMA solution on the adaptation between dentin and resin material was investigated by measuring wall-to-wall polymerization contraction in a cylindrical dentin cavity. Five marketed bonding agents tested in this study exhibited improved marginal seal when the dentin cavity wall was pretreated by 35% HEMA for a few seconds with the exception of Pyrofi1...

2005
Mengqiu Wang Mariusz Nowostawski Martin K. Purvis

Multi-agent system(MAS) is a blooming research area, which exhibits a new paradigm for the design, modelling and implementation of complex systems. A significant amount of effort has been made in establishing standards for agent communication and MAS platforms. However, communication is not the only difficulty faced by agent researchers. Research is also directed towards the formal aspects of a...

Journal: :Dental materials journal 2007
Mizuho Kusunoki Kazuo Itoh Yutaka Utsumi Hisashi Hisamitsu

The objective of this study was to evaluate the effects of triethylene glycol (TEG) and triethylene glycol monomethacrylate (TEGMA) solutions as dentin primers on dentin bonding. To this end, wall-to-wall polymerization contraction gap width of a resin composite in a cylindrical dentin cavity and shear bond strength to a flat dentin surface were measured. Dentin was pretreated with an experimen...

Journal: :iranian journal of radiology 0
mahtab karami kashan university of medical; kashan university of medical

agent technology is an emerging and promising research area in software technology, which increasingly contributes to the development of value-added information systems for large healthcare organizations due to its capability to automatically modify themselves in response to changes in their operating environment. multi agent system (mas) approach is the construction of a complex system as a se...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یاسوج - دانشکده علوم 1391

in this investigation the effect of external field on the electron density of nanostructures of cds, cdse, cdte, gaas and polymeric structure of three, four, five and six units of cds as a kind of nanosolar cells has been studied theoretically. as modeling this system in nanodimension, molecular structures has used. specific properties of molecular structures permit us to consider different sym...

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