الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Objective: To evaluate the effect of MDBP-containing self-etch (SE) adhesive and different dentin surface pretreatments on antibectrial activity and nanoleakage. Results: The diameter of inhibition zones evaluated that Clearfil SE protect has antibacterial activity and pre-surface treatment with CHX and Papin enzyme increased antibactrial activity with both types of adhesive. For nanoleakage test, dentinal surface treatment with CHX reduce nanoleakage compared to Papin and Riboflavin. Conclusion: Within the limitations and from the results of the current study, it may be concluded that : . Addition of MDPB into a SE primer exerts sufficient antibacterial effect with better nanoleakage compared to MDP. The results of the study further revealed that dentinal surface treatment with CHX, Papin or Riboflavin prior to adhesive application improved antibacterial activity. For nanoleakage test, dentinal surface treatment with CHX reduce nanoleakage compared to Papin and Riboflavin. Key Words ( not more than 10 ) MDPB Self Etch dental adhesive ,anoleakage, presurface treatment with CHX, Papin , Papin Enzyme