Effects of dentine phosphoprotein on remineralization of demineralized dentine

Song jiang Luo, Yu jing Li, Ling Wan, Ying Su, Li hua Ge

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

OBJECTIVE: To investigate the relationship between dentine phosphoprotein (DPP) and remineralization of demineralized dentine. METHODS: (1) Soluble DPP was extracted with 1 mol/L NaCl from demineralized dentine and was evaluated. (2) Soluble DPP was removed with 0.1 mol/L NaCl or was not removed from demineralized dentine sections in human tooth roots. Then all sections were subjected to remineralization treatment, and remineralization degrees were compared by atomic absorption spectrum, SEM and microradiography. RESULTS: (1) Soluble DPP was extracted with 1 mol/L NaCl. (2) Removal of soluble DPP resulted in significantly lower calcium concentration in remineralization solution (P < 0.01), less mean light-absorbed value in demineralized dentin sections by microradiography (P < 0.01). CONCLUSIONS: Soluble DPP may have an inhibiting effect on remineralization of demineralized dentine, this study suggests that the remove of soluble DPP from root caries lesions may enhance their remineralization potential.

Original languageEnglish (US)
Pages (from-to)96-99
Number of pages4
JournalZhonghua kou qiang yi xue za zhi = Zhonghua kouqiang yixue zazhi = Chinese journal of stomatology
Volume38
Issue number2
StatePublished - Mar 2003

ASJC Scopus subject areas

  • Medicine(all)

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