chlorine/carie dentară

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Chlorine, cause of dental caries?

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Br2 molecular elimination in 248 nm photolysis of CHBr2Cl by using cavity ring-down absorption spectroscopy.

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Elimination of molecular bromine is probed in the B (3)Pi(ou) (+)<--X (1)Sigma(g) (+) transition following photodissociation of CHBr(2)Cl at 248 nm by using cavity ring-down absorption spectroscopy. The quantum yield for the Br(2) elimination reaction is determined to be 0.05+/-0.03. The nascent

Temperature dependent structured absorption spectra of molecular chlorine.

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A dual wavelength range spectrometer system has been designed and constructed which can simultaneously perform single pass UV absorption spectroscopy and cavity enhanced absorption spectroscopy in the green region of the visible spectrum. Using the system the absorption spectrum of molecular

Chlorine anion encapsulation by molecular capsules based on cucurbit[5]uril and decamethylcucurbit[5]uril.

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Three barrel-shaped artificial molecular capsules 1-3, based on normal cucurbit[5]uril (Q[5]) and decamethylcucurbit[5]uril (Me10Q[5]), were synthesized and structurally characterized by single-crystal X-ray diffraction. Encapsulation of a chlorine anion in the cavity of a Q[5] or Me10Q[5] to form

Characterization of molecular channel in photodissociation of SOCl2 at 248 nm: Cl2 probing by cavity ring-down absorption spectroscopy.

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A primary elimination channel of the chlorine molecule in the one-photon dissociation of SOCl2 at 248 nm was investigated using cavity ring-down absorption spectroscopy (CRDS). By means of spectral simulation, the ratio of the vibrational population in the v = 0, 1, and 2 levels was evaluated to be

Two-year inhalation exposure of female and male B6C3F1 mice and F344 rats to chlorine gas induces lesions confined to the nose.

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Chlorine gas is a respiratory irritant in both animals and humans that produces concentration-dependent responses ranging from minor irritation to death. Female and male B6C3F1 mice and F344 rats were exposed to chlorine gas for up to 2 years to determine chronic toxicity and carcinogenicity. Groups

Photoinactivation Using Visible Light Plus Water-Filtered Infrared-A (vis+wIRA) and Chlorine e6 (Ce6) Eradicates Planktonic Periodontal Pathogens and Subgingival Biofilms.

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Alternative treatment methods for pathogens and microbial biofilms are required due to the widespread rise in antibiotic resistance. Antimicrobial photodynamic therapy (aPDT) has recently gained attention as a novel method to eradicate pathogens. The aim of this study was to evaluate the

Analysis of Calcium Levels in Groundwater and Dental Caries in the Coastal Population of an Archipelago Country.

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The coastal region is the largest region in Indonesia as a country of the archipelago. Characteristics of groundwater content in coastal areas are very influential on dental health, especially dental caries. The main elements contained in 1-1000 mg/litre groundwater are calcium,

[The role of natural medicinal factors in federal and regional recreational zones in the rehabilitation of patients following surgical treatment of pathological periapical tissues and oral cavity phlegmonas].

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The necessity of considering the problem with which this paper is concerned arises from the current scientific discussion of the actions of physicians working in municipal healthcare facilities and sanatoria directed toward rehabilitation of patients after surgical treatment of periapical tissues

Highlighting the role of the chlorine substituents in the glycopeptide antibiotic balhimycin for chiral recognition in capillary electrophoresis.

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The vancomycin-type glycopeptide antibiotic balhimycin (I) and its dehaloanalogue dechlorobalhimycin (III), which is characterized by the total substitution of the two chlorine atoms of I by hydrogen, were employed as chiral selectors for the enantioresolution of 11 racemic dansyl amino acids and

Clinical evaluation of chemomechanical caries removal in primary molars and its acceptance by patients.

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The purpose of this study was to evaluate the clinical efficiency and patient acceptance of the chemomechanical caries removal agent Carisolvtrade mark in deciduous teeth. Contralateral primary molars of sixteen 7- to 9-year-old patients (32 teeth) were treated with the air-motor and with Carisolv,

3-chlorotyrosine and 3,5-dichlorotyrosine as biomarkers of respiratory tract exposure to chlorine gas.

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Modification of tyrosine by reactive chlorine can produce both 3-chlorotyrosine (CY) and 3,5-dichlorotyrosine (dCY). Both of these amino acids have proven to be promising biomarkers for assessing the extent of myeloperoxidase-catalyzed chlorine stress in a number of adverse physiological conditions.

Effects of Chlorine Dioxide on Oral Hygiene - A Systematic Review and Meta-analysis.

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Effective and selective oral rinses are required in the daily medical and dental practice. Currently used mouthwashes have substantial side effects.Our aim was to evaluate the efficacy of chlorine dioxide-containing mouthwashes in comparison with other

[The use of chlorhexidine varnish in the prevention of dental caries].

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Dentistery recently has developed a new preventive treatment, that is the suppression of the acid-producing bacteria in dental plaque. The background and application of two chlorine hexidine lacquers, EC40 and Clorzoin are discussed.

Synthesis and Structures of Triptycene-Derived Oxacalixarenes with Expanded Cavities: Tunable and Switchable Complexation towards Bipyridinium Salts.

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New triptycene-derived oxacalixarene H1 was efficiently synthesized by a template cyclization step, and anilino-substituted macrocycle H2 was subsequently afforded through straightforward nucleophilic displacement of the active chlorine atom in H1. Oxacalixarene H1 adopts a fixed boat-like

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