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http://dx.doi.org/10.5395/JKACD.2009.34.5.415

A BIOACTIVITY STUDY OF PORTLAND CEMENT MIXED WITH β-GLYCEROPHOSPHATE ON HUMAN PULP CELL  

Oh, Young-Hwan (Department of Conservative Dentistry, College of Dentistry, Dankook University)
Jang, Young-Joo (Department of Dental Biochemistry, College of Dentistry, Dankook University)
Cho, Yong-Bum (Department of Conservative Dentistry, College of Dentistry, Dankook University)
Publication Information
Restorative Dentistry and Endodontics / v.34, no.5, 2009 , pp. 415-423 More about this Journal
Abstract
The purpose of this study is to investigate the response of human pulp cell on Portland cement mixed with $\beta$-glycerophosphate. To investigate the effect of $\beta$-glycerophosphate and/or dexamethasone on human pulp cell, ALP activity on various concentration of $\beta$-glycerophosphate and dexamethasone was measured and mineral nodule of human pulp cell was stained with Alizarin red S. MTS assay and ALP activity of human pulp cell on Portland cement mixed with various concentration of $\beta$-glycerophosphate (10 mM, 100mM, 1M) was measured and the specimens were examined under SEM. Addition of $\beta$-glycerophosphate or dexamethasone alone had no effect however, the addition of 5 mM $\beta$-glycerophosphate and 100 nM dexamethasone had the largest increasement in ALP activity. There was no toxicity in all samples and the data showed that Portland cement mixed with 10 mM $\beta$-glycerophosphate had more increase in ALP activity compared with control. In conclusion, Portland cement mixed with $\beta$-glycerophosphate has no toxicity and promotes differentiation and mineralization of pulp cell compared with additive-free Portland cement. This implicated that application of Portland cement mixed with $\beta$-glycerophosphate might form more reparative dentin and in turn it would bring direct pulp capping to success.
Keywords
Portland cement$\beta$-glycerophosphate; human pulp cell; ALP activit; mineralization;
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Times Cited By KSCI : 2  (Citation Analysis)
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