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Chinese Journal of Stomatological Research(Electronic Edition) ›› 2013, Vol. 07 ›› Issue (04): 288-292. doi: 10.3877/cma.j.issn.1674-1366.2013.04.006

• Original Articles • Previous Articles     Next Articles

The influence of polyvinylphosphonic acid on matrix metalloproteinases activities in dentin

En-bao HE1, Yan WANG1, Lan-chen LIANG1, Yan-lan WANG1, Xue-feng LIN1,†()   

  1. 1. Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
  • Received:2013-02-07 Online:2013-08-01 Published:2025-03-15
  • Contact: Xue-feng LIN

Abstract:

Objective

The purpose of this study was to test the effect of polyvinylphosphonic acid (PVPA) which is used in biomimetic remineralization on dentin matrix metalloproteinases-2 (MMP-2), MMP-8, MMP-9 activated by etching treatment.

Methods

In this study, 50 extracted non-caries human third molars were used to be pulverized and then divided into 8 groups as follows: negative control group only treated with 37% H3PO4; experimental groups: incubated in 100,200,500,1000 or 3000 μg/ml of PVPA after treated with 37% H3PO4, respectively; positive control groups: incubated in 0.2% or 2% chlorhexidine after treated with 37% H3PO4. The total protein was extracted, and the activities of MMPs, MMP-2, MMP-8 and MMP-9 were determined.

Results

All tested PVPA concentrations were highly effective in inhibiting MMPs. All tested PVPA concentrations show potent inhibitory effect on MMP-2, MMP-8 and MMP-9 activity except the 100 μg/ml PVPA treated group on MMP-8 activity. And a higher concentration of PVPA caused an increase in inhibitory effect.

Conclusion

PVPA is relatively effective in inhibiting MMPs and the inhibitory effect enhance with increasing PVPA concentration.

Key words: Polyvinylphosphonic acid, Matrix metalloproteinases, Dentin

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