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Preliminary study of homogeneous phase redeposition of dissolved dental subgingival calculus / 生物医学工程学杂志
Journal of Biomedical Engineering ; (6): 1363-1366, 2007.
Artigo em Chinês | WPRIM | ID: wpr-230685
ABSTRACT
Fresh dental calculus were scratched and rinsed with distilled water, and then dissolved by HNO3. Simulated body fluid was used as control. Aqueous ammonia was added to step up the pH. FSEM and FI-IR were used to analyze the crystal character of deposition. Turbid occurred when pH = 5.4 and deposition occurred when pH = 5.6. Ribbon-like crystal, which was the same as the crystal in natural dental calculus was observed in experimental group and was evidenced to be hydroxyapatite (HAP) by FT-IR. HAP formation through homogeneous phase redeposition of dissolved dental subgingival calculus may be related with the existing template molecules in dental subgingival calculus resolution, which induce the biomineralization of HAP formation.
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Patologia / Calcinose / Fosfatos de Cálcio / Cálculos Dentários / Química / Cristalografia / Placa Dentária / Doenças da Gengiva / Hidroxiapatitas Limite: Humanos Idioma: Chinês Revista: Journal of Biomedical Engineering Ano de publicação: 2007 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Patologia / Calcinose / Fosfatos de Cálcio / Cálculos Dentários / Química / Cristalografia / Placa Dentária / Doenças da Gengiva / Hidroxiapatitas Limite: Humanos Idioma: Chinês Revista: Journal of Biomedical Engineering Ano de publicação: 2007 Tipo de documento: Artigo