
handle: 11449/70136
O alginato ou hidrocolóide irreversível é um dos materiais de moldagem mais aceitos e utilizados na Odontologia. Muitas substâncias como zinco, cádmio, silicato de chumbo e fluoretos foram adicionadas em algumas marcas de alginatos, com o objetivo de melhorar suas propriedades físicas, químicas, mecânicas e se tornaram causa de preocupação no que se refere à toxicidade desses materiais. Em algumas marcas de alginatos relatou-se a presença de fluoretos, cádmio, silicatos de chumbo e zinco potencialmente tóxicos, isoladamente ou em conjunto, conseqüentemente, cuidados especiais devem ser tomados na preparação desses materiais. É necessário que haja um controle contínuo de metais e substâncias potencialmente tóxicas nos alginatos para se evitar a contaminação dos profissionais da área odontológica e pacientes. Nesta revisão analisou-se o potencial tóxico de alginatos usados em odontologia. Palavras-chave: alginatos; cádmio; chumbo; zinco; fluoreto; intoxicação.
Alginate or irreversible hydrocolloid is one the most accepted and frequently employed impression materials in dental practice. Substances like zinc, cadmium, lead silicate and fluorides, which are included in several alginate brands with the aim of improving their physical, chemical and mechanical properties, are a source of serious concern as regards their toxicity. Some brands of alginate have been reported to contain potentially toxic fluorides and metals such as cadmium, lead and zinc silicates, either singly or combined. Consequently, special care should be taken while preparing of these materials. It is necessary to monitor potentially toxic chemicals and metals in the alginates continually to avoid contamination of dental professionals and patients. In this review, alginates used in dentistry are analyzed for potential toxicity.
metal, Alginates, cadmium, alginatos, review, hydrocolloid, cádmio, contamination, Pharmacy and materia medica, fluoreto, biomedical and dental materials, human, Fluoride, dental practice, Pharmaceutical industry, alginic acid, lead, fluoride, silicate, dentistry, chumbo, Fluoride, poisoning, zinc, intoxicação., dental patient, poisoning, RS1-441, Zinc, Lead, zinco, alginatos; cádmio; chumbo; zinco; fluoreto; intoxicação, dental care, HD9665-9675, Cadmium
metal, Alginates, cadmium, alginatos, review, hydrocolloid, cádmio, contamination, Pharmacy and materia medica, fluoreto, biomedical and dental materials, human, Fluoride, dental practice, Pharmaceutical industry, alginic acid, lead, fluoride, silicate, dentistry, chumbo, Fluoride, poisoning, zinc, intoxicação., dental patient, poisoning, RS1-441, Zinc, Lead, zinco, alginatos; cádmio; chumbo; zinco; fluoreto; intoxicação, dental care, HD9665-9675, Cadmium
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