Antimicrobial and bond strength properties of a dental adhesive containing zinc oxide nanoparticles

Authors

  • Mahshid Saffarpour Alborz University of Medical Sciences
  • Marjan Rahmani Qazvin University of Medical Science
  • Mohammadreza Tahriri Tehran University of Medical Sciences
  • Amir Peymani Qazvin University of Medical Science

DOI:

https://doi.org/10.20396/bjos.v15i1.8647127

Keywords:

Zinc oxide. Nanoparticles. Dental cements. Anti-Infective agents. Dental caries.

Abstract

Aim: To assess the effect of adding zinc oxide nanoparticles to dental adhesives on their anti-microbial and bond strength properties. Methods: 45 human premolars were cut at the cement enamel junction (CEJ) and the crowns were sliced into buccal and lingual halves. The specimens were classified into three groups, etched with 37% phosphoric acid for 15 s and rinsed for 30 s. Single Bond, Single Bond+5% zinc oxide and Single Bond+10% zinc oxide were used in the first, second and third groups. A cylinder of Z250 composite was bonded and cured for 40 s. For anti-bacterial testing, 10 samples of each group were assessed by direct contact test; 10 μL of bacterial suspension was transferred into tubes containing adhesives and incubated for one hour; 300 μL of brain heart infusion (BHI) broth was added to each tube and after 12 h, 50 μL of bacteria and broth were spread on blood agar plates and incubated for 24 h. Results: The colony count decreased significantly in the second and third groups compared to the first. Conclusions: Incorporation of zinc oxide nanoparticles into dental adhesives increases their anti-microbial properties without affecting their bond strength.

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Author Biographies

Mahshid Saffarpour, Alborz University of Medical Sciences

Alborz University of Medical Sciences, Dental School, Department of Restorative Dentistry, Karaj, Iran

Marjan Rahmani, Qazvin University of Medical Science

Qazvin University of Medical Science, Department of Cosmetic & Restorative Dentistry, Qazvin, Iran

Mohammadreza Tahriri, Tehran University of Medical Sciences

Tehran University of Medical Sciences, School of Dentistry, Department of Dental Biomaterials, Tehran, Iran

Amir Peymani, Qazvin University of Medical Science

Qazvin University of Medical Science, Department of Microbiology, Qazvin, Iran

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Published

2016-10-13

How to Cite

1.
Saffarpour M, Rahmani M, Tahriri M, Peymani A. Antimicrobial and bond strength properties of a dental adhesive containing zinc oxide nanoparticles. Braz. J. Oral Sci. [Internet]. 2016 Oct. 13 [cited 2022 Aug. 17];15(1):66-9. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8647127

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