carbonic acid/carie dentaire

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The role of phosphate and carbonic acid-bicarbonate buffers in the corrosion processes of the oral cavity.

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A novel crownophane trapping CO2 as carbonic acid at room temperature.

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A 25 membered crownophane with two hydroxy and two amide groups around the cavity has been reported for the first time to be able to include carbonic acid formed from both carbon dioxide and water molecules to give a stable 1:1 complex at room temperature.

[The role of carbonic acid in the regulation of nitrogen metabolism in the animal body. 1. Effect of changes in CO2 concentration in tissues on the processes of NH+ metabolism in rabbits].

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In two groups of rabbits of 24 animals each the dependence of NH4+-utilisation on the level of carbonic acid in the organism was investigates. The rabbits of the second group received injections into the abdominal cavity of 8 ml/kg body weight of a 5% NaHCO3-solution (enriched with CO2, pH 7.35) for

An intermediate for the clean synthesis of ionic liquids: isolation and crystal structure of 1,3-dimethylimidazolium hydrogen carbonate monohydrate.

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1,3-Dimethylimidazolium-2-carboxylate and carbonic acid have been used to prepare a 1,3-dimethylimidazolium hydrogen carbonate salt by means of a Krapcho reaction. The ability to form hydrogen carbonate azolium salts allows for them to be used as precursors for fast, efficient, environmentally

[Tartar and periodontal disease--a cofactor in etiopathogenesis].

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Calculus may be considered as an aggregate of calcified deposits or deposits that are going to calcify in the oral cavity. From a topographical point of view calculus is classified in supragingival and subgingival calculus. Calculus is composed by inorganic (70-80%) and organic (20-30%) components.

Psychophysical and neurobiological evidence that the oral sensation elicited by carbonated water is of chemogenic origin.

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The sensation produced by carbonated beverages has been attributed to chemical excitation of nociceptors in the oral cavity via the conversion of CO(2) to carbonic acid in a reaction catalyzed by carbonic anhydrase. In separate studies, we tested if the carbonic anyhdrase blocker, acetazolamide,

[Evaluation of therapeutic-prophylactic effectiveness of chemical compound NIOC-14 against ectromelia virus in vivo].

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OBJECTIVE Study pharmacodynamic parameters of anti-viral effectiveness of a chemical compound NIOC-14 in experiments in mice infected with ectromelia virus (EV). METHODS EV (K-1 strain) was obtained from the State Collection of Viral Infections and Rickettsioses Causative Agents of the State

[Dietary habits and oral hygiene in school children in the city of Debrecen].

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Acid products formed by bacterial fermentation of dietary carbohydrates in the dental plaque, are required for the initiation of dental caries. The aim of the present study was to analyze nutritional and oral hygienic habits of 216 schoolchildren (108 boys and 108 girls) aged of 7, 12 and 14 years.

The influence of bubbles on the perception carbonation bite.

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Although many people naively assume that the bite of carbonation is due to tactile stimulation of the oral cavity by bubbles, it has become increasingly clear that carbonation bite comes mainly from formation of carbonic acid in the oral mucosa. In Experiment 1, we asked whether bubbles were in fact

Using pulsed wave ultrasound to evaluate the suitability of hydroxyl radical scavengers in sonochemical systems.

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Hydroxyl radical (()OH) scavengers are commonly used in sonochemistry to probe the site and nature of reaction in aqueous cavitational systems. Using pulsed wave (PW) ultrasound with comparative sonochemistry we evaluated the performance of ()OH scavengers (i.e., formic acid, carbonic acid,

Calcium Channel Blockers: Molecular Docking and Inhibition Studies on Carbonic Anhydrase I and II Isoenzymes.

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Carbonic anhydrases (CAs) are potent dehydration of carbonic acid and catalyst of the reversible hydration of carbon dioxide. Here, CA I and CA II was purified from human erythrocytes using the simple chromatographic method and determined the interactions between some calcium channel blockers and

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