maleic acid/carie dentară

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Polymeric calcium phosphate cements derived from poly(methyl vinyl ether-maleic acid).

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OBJECTIVE The purpose of this study was to assess the feasibility of forming polymeric calcium phosphate cements from a mixed powder of dicalcium phosphate/tetracalcium phosphate or only tetracalcium phosphate and poly(methyl vinyl ether-maleic acid) (PMVE-Ma), and to study their setting

Comparison of in vivo and in vitro demineralized dentin with phosphoric and maleic acid.

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This article evaluated possible differences between dentin conditioned in vivo and in vitro with 10 percent maleic acid or with 36 percent phosphoric acid. Semispherical Class V cavities were prepared in vivo and in vitro at the cementum-enamel junction and were divided into four groups. After

Antiplaque, antibacterial, and anti-inflammatory properties of triclosan mouthrinses in combination with zinc citrate or polyvinylmethylether maleic acid (PVM-MA) copolymer.

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The antibacterial agent triclosan has demonstrated antiplaque and antigingivitis activity in several clinical studies. Retention of antiplaque agents is of significance for their clinical effect. Triclosan has a relatively rapid clearance from the oral cavity, and attempts have been made to increase

pH/temperature - sensitive imprinted ionic poly(N-tert-butylacrylamide-co-acrylamide/maleic acid) hydrogels for bovine serum albumin.

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In this study, we have prepared pH/temperature-sensitive imprinted ionic poly(N-tert-butylacrylamide-co-acrylamide/maleic acid) [P(TBA-co-AAm/MA)] hydrogels for bovine serum albumin (BSA) by using molecular imprinting method. BSA adsorption from aqueous BSA solutions was investigated with two types

Intra-oral comparison and evaluation of the ability of fluoride dentifrices to promote the remineralization of caries-like lesions in dentin and enamel.

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The effect of three types of fluoride dentifrices and one non-fluoride dentifrice were evaluated and compared intra-orally for their ability to promote the remineralization of caries-like lesions in thin sections of human dentin and enamel. The three fluoride dentifrices were silica based. One

Multivalent host-guest interactions between beta-cyclodextrin self-assembled monolayers and poly(isobutene-alt-maleic acid)s modified with hydrophobic guest moieties.

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Poly(isobutene-alt-maleic acid)s modified with p-tert-butylphenyl or adamantyl groups interact with beta-cyclodextrin self-assembled monolayers (beta-CD SAMs) by inclusion of the hydrophobic substituents in the beta-cyclodextrin cavities. The adsorption was shown to be strong, specific, and

Volatility and oxidative aging of aqueous maleic acid aerosol droplets and the dependence on relative humidity.

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The microphysical structure and heterogeneous oxidation by ozone of single aerosol particles containing maleic acid (MA) has been studied using aerosol optical tweezers and cavity enhanced Raman spectroscopy. The evaporation rate of MA from aqueous droplets has been measured over a range of relative

Statistical modelling of the rheological and mucoadhesive properties of aqueous poly(methylvinylether-co-maleic acid) networks: Redefining biomedical applications and the relationship between viscoelasticity and mucoadhesion.

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Poly(methylvinylether-co-maleic acid) (PMVE/MA) is commonly used as a component of pharmaceutical platforms, principally to enhance interactions with biological substrates (mucoadhesion). However, the limited knowledge on the rheological properties of this polymer and their relationships with

Dentin pretreatment and caries inhibition by a fluoride-releasing resin.

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The purpose of this study was to examine the effect that phosphoric acid etchant, used to remove the smear layer, may have on dentin demineralization inhibition. Fifteen molars had Class V preparations placed on the mesial and distal surfaces, the gingival seat being placed 1 mm below the

Effect of novel chelating agents on the push-out bond strength of calcium silicate cements to the simulated root-end cavities.

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To compare the effects of different chelating agents on the push-out bond strength of calcium silicate-based cements to the simulated root-end cavities. Root-end cavities were prepared on the roots of fifty extracted maxillary anterior teeth. The specimens were then randomly divided into 5 groups (n

The technology behind Colgate Total Advanced Fresh.

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In the early 1990s, a breakthrough toothpaste, Colgate Total, was launched with documented long-lasting activity against plaque, gingivitis, calculus, tooth decay, and bad breath. The technology behind this toothpaste is the combination of triclosan, a polyvinylmethylether/maleic acid copolymer, and

Effects of acid-etching solutions on human enamel and dentin.

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Nine noncarious human molars were extracted and stored in saline solution. Three standard occlusal cavities with beveled enamel margins were prepared on each tooth and etched with the etching solutions of three dentinal adhesive systems: (1) 37% phosphoric acid solution, (2) 4.3% oxalic acid and

Certain carboxylic acid buffers can destabilize β-cyclodextrin complexes by competitive interaction

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Thirteen buffers were investigated for their effect on the binding of adamantanol to β-cyclodextrin and hydroxypropyl-β-cyclodextrin. Stability constants for the β-cyclodextrin complex ranged from 14,800 to 46,000 M^-1, and the binding enthalpies were between -23.2 and -10.4 kJ/mole.

Dentin bonding: effect of tubule orientation on hybrid-layer formation.

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In an attempt to compare the morphology of the resin-dentin interface in areas where the dentinal tubules run perpendicularly or at an angle to the cavity surface with that of areas where they run parallel to it, we studied a dentin adhesive system using transmission electron microscopy and

A clinical investigation of the efficacy of two dentifrices for the reduction of supragingival calculus formation.

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OBJECTIVE The objective of this double-blind clinical study, conducted in harmony with Volpe-Manhold design for studies of dental calculus, was to compare the efficacy of a dentifrice containing 0.3% triclosan/2.0% polyvinylmethyl ether/maleic acid (PVM/MA) copolymer/0.243% sodium fluoride in a 17%

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