Effect of DAPC on Adhesion of Streptococcus Mutans

Jiang Juan Na; Jie Bao Sheng; Wu Yun Ding; Zhou Tian

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Jiang Juan Na , Jie Bao Sheng , Wu Yun Ding , Zhou Tian . Effect of DAPC on Adhesion of Streptococcus Mutans[J]. Journal of Kunming Medical University, 2018, 39(03): 55-58.

Citation:

Jiang Juan Na , Jie Bao Sheng , Wu Yun Ding , Zhou Tian . Effect of DAPC on Adhesion of Streptococcus Mutans[J]. Journal of Kunming Medical University, 2018, 39(03): 55-58.

Jiang Juan Na , Jie Bao Sheng , Wu Yun Ding , Zhou Tian . Effect of DAPC on Adhesion of Streptococcus Mutans[J]. Journal of Kunming Medical University, 2018, 39(03): 55-58.

Citation:

Jiang Juan Na , Jie Bao Sheng , Wu Yun Ding , Zhou Tian . Effect of DAPC on Adhesion of Streptococcus Mutans[J]. Journal of Kunming Medical University, 2018, 39(03): 55-58.

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Effect of DAPC on Adhesion of Streptococcus Mutans

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基金：云南省科技厅-昆明医科大学应用基础研究联合专项基金资助项目 (U0120140798);

Received Date: 2017-12-12

Abstract

Abstract

Objective To analyze the property of the new antibacterial agent (N, N-di-n-decyl-N, N-dimethyl-ammonium 5-oxopyrrolidine-2-carboxylate, DAPC) to prevent Streptococcus mutans' adhesion on tooth surface.Method determine the minimal inhibitory concentration and minimal bactericidal concentration of DAPC and Chlorhexidine gluconate by liquid dilution method.Set the Chlorhexidine gluconate as the positive control, while PBS as the negative control.Use the crystal violet staining to measure the quantity of biofilm.Re s ult The MIC of DAPC on Streptococcus mutans was 0.0031250% and MBC was 0.0062500% . The MIC of Chlorhexidine gluconate was 0.0015625% , while the MBC was 0.0031250% .When concentration of the two antibacterial agents was MIC, the quantity of biofilm have no significance among three groups.However, when concentration of Chlorhexidine gluconate and DAPC were 0.12% and 0.24% respectively, biofilm of experimental group was lower than PBS, and there is no significance between Chlorhexidine gluconate group and DAPC group after 24 hours incubation.Conclus ion New antibacterial agent DAPC have significant effect in inhibiting of Streptococcus mutans.And the residual of DAPC on teeth can maintain a long time of antibacterial effect to inhibit Streptococcus mutans' adhesion.
- DAPC,
- Chlorhexidine gluconate,
- Streptococcus mutans,
- Adhesion

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References(12)

References

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