Results 251 to 260 of about 76,835 (291)
Effect of fire retardants on internal bond strength and bond durability of structural fiberboard
Building and Environment, 2007 Abstract This study evaluated the effect of a number of chemicals on the internal bond (IB) strength and bond durability of phenolic-bonded structural fiberboard (medium density fiberboard) panels. Borax (BX), boric acid (BA), monoammonium phosphate (MAP), diammonium phosphate (DAP), and phosphoric acid (PA) were sprayed onto the fibers made from 50%
Nadir Ayrilmis
exaly +3 more sources
The effects of internal tooth bleaching regimens on composite-to-composite bond strength
Journal of the American Dental Association, 2012 BACKGROUND: The authors conducted an in vitro study to investigate the influence of several internal bleaching regimens on the composite-to-composite shear bond strength of a dental core buildup material. METHODS: The authors fabricated 72 specimens from a resin-based composite core buildup and assigned them randomly to six groups (four experimental ...
Raphaël Ferrari +2 more
exaly +5 more sources
Acta Odontologica Scandinavica, 2006 This study evaluated the relationship between bond strength and marginal and internal adaptation of composite restorations photocured using different methods with a quartz-tungsten-halogen light.A push-out test was performed to evaluate bond strength of conical restorations in 50 bovine incisors. To evaluate marginal (external) and internal restoration
Roberta Caroline Bruschi Alonso +2 more
exaly +4 more sources
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Concurrent evaluation of composite internal adaptation and bond strength in a class-I cavity
Journal of Dentistry, 2013This study investigated class-I cavity floor adaptation by swept-source optical coherence tomography (OCT) in combination with microtensile bond strength (MTBS) using different filling methods.Two adhesive systems; Tokuyama Bond Force and Tri-S Bond Plus were used in conjunction with a universal composite (Estelite Sigma Quick) placed either ...
Turki A Bakhsh +2 more
exaly +3 more sources
Influence of Internal Angular Arrangement on Pnicogen Bond Strength
Inorganic Chemistry, 2023The three Z-X covalent bonds of a ZX3 unit (Z = P, As, Sb, Bi) are normally arranged in a pyramidal structure. Quantum chemical calculations show that pnicogen bonds (ZBs) to the central Z are weakened if ZX3 is flattened, as in the opening of an umbrella.
Steve Scheiner +2 more
openaire +2 more sources
Factors contributing to halogen bond strength and stretch or contraction of internal covalent bond
Physical Chemistry Chemical Physics, 2023An explanation of the reasons for the change in the length of the T–X covalent bond (T = C, Si, Ge, Sn, Pb; X = Cl, Br, I) in complexes with a halogen bond has been proposed.
Mariusz Michalczyk +3 more
openaire +2 more sources
The Influence of Internal Surface Treatments on Tensile Bond Strength for Two Ceramic Systems
Operative Dentistry, 2007Clinical RelevanceAppropriate surface treatment in ceramic restorations is an important step in the cementation process and should be conducted for each type of ceramic.
Kiyan, V. H. +4 more
openaire +3 more sources
European Journal of Prosthodontics and Restorative Dentistry, 2022
To evaluate the influence of tannic acid and quercetin on the immediate microshear bond strength (μSBS) of two resin cements to dentin after internal bleaching.The access cavity in eighty extracted maxillary incisors was internally bleached except the control groups. The labial surfaces were ground to expose a flat dentin surface.
Z, Fattah, F, Shafiei, F, Rajabi
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To evaluate the influence of tannic acid and quercetin on the immediate microshear bond strength (μSBS) of two resin cements to dentin after internal bleaching.The access cavity in eighty extracted maxillary incisors was internally bleached except the control groups. The labial surfaces were ground to expose a flat dentin surface.
Z, Fattah, F, Shafiei, F, Rajabi
openaire +2 more sources
Push‐out strength and SEM evaluation of resin composite bonded to internal cervical dentin
Dental Traumatology, 1996Abstract The bond strength of a resin composite used with a dual‐cured dentin bonding system to internal cervical bovine dentin was evaluated using a direct or indirect placement technique. Teeth were sectioned transversely to produce 4 mm‐thick specimens.
J M, Patierno +4 more
openaire +2 more sources
Journal of the Chemical Society, Perkin Transactions 2, 1989
Kinetic and equilibrium results have been obtained for removal of the hydrogen-bonded proton from substituted salicylate ions by hydroxide ion and buffer bases in 50%(v/v) Me2SO–H2O. From the values of the rate coefficients for proton removal it is concluded that the hydrogen bond is strengthened by electron-releasing substituents and by the change ...
Frank Hibbert, Karen J. Spiers
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Kinetic and equilibrium results have been obtained for removal of the hydrogen-bonded proton from substituted salicylate ions by hydroxide ion and buffer bases in 50%(v/v) Me2SO–H2O. From the values of the rate coefficients for proton removal it is concluded that the hydrogen bond is strengthened by electron-releasing substituents and by the change ...
Frank Hibbert, Karen J. Spiers
openaire +1 more source