Comparison of Antibacterial Effect of Composite Resins Incorporating Copper with Zinc Oxide Nanoparticles on Streptococcus Mutans

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DAVARI ABABDOLRAHIM; Mosaddegh Ahmad; DANESHKAZEMI ALIREZA; Mortazavi Sanigei Seyed Mehdi

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Journal Paper

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Journal: Journal of Mashhad Dental School Year:2020 | Volume:43 | Issue:4 Page(s): 344-351

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Title

Comparison of Antibacterial Effect of Composite Resins Incorporating Copper with Zinc Oxide Nanoparticles on Streptococcus Mutans

Author(s)

DAVARI ABABDOLRAHIM | Mosaddegh Ahmad | DANESHKAZEMI ALIREZA | Mortazavi Sanigei Seyed Mehdi | Issue Writer Certificate

Keywords

Anti-bacterial agentsQ1

Composite resinQ2

NanoparticlesQ1

copper oxideQ1

Zinc oxideQ2

Streptococcus mutansQ2

Abstract

Introduction: Polymerization shrinkage causes a gap between the Composite resin and the tooth edge which leads to bacterial invasion, secondary caries, recurrent caries, and the final failure of restoration. It seems that the addition of Nanoparticles to composites can be effective in the reduction of the number and function of microorganisms. The aim of the present study was to compare the antibacterial properties of Composite resins containing zinc-oxide with copper-oxide Nanoparticles against Streptococcus mutans. Materials and Methods: A number of 490 discoid tablets containing 0. 05%, 0. 5%, 0. 1% nano-copper and nano zinc-oxide particles were prepared from Composite resin GC (n=70). Diluted solutions of Streptococcus mutans (ATCC 35668) were prepared and 1 mL of bacterial species was placed on the discs. The discs were transferred to liquid culture media and were incubated at 37℃ for 8 hr. Thereafter, 1 mm of serum was cultured at 37° C for 24 hours on a blood agar containing sheep blood and the total number of bacteria was obtained by colony counting of all bacteria detected on each disk. The data were analyzed in SPSS software (version 17) using Kolmogorov-Smirnov test (k-s), Kruskal-Wallis, and Dunn's test. The significance level was considered as α = 0. 5. Results: Based on the obtained results, the composites containing 0. 1% and 0. 5% Nano Zinc oxide particles and copper oxide Nanoparticles significantly decreased the number of bacteria in 15 and 30 days, as compared to the control group (P-value=0. 001). Nonetheless, other groups did not demonstrate any significant difference with the control group (P-value=1). Conclusion: Composite resins containing 0. 5% Zinc oxide Nanoparticles demonstrated the highest antibacterial activity against Streptococcus mutans. On the other hand, both nano-copper and zinc-oxide particles revealed the least antimicrobial activity in the concentration of 0. 05%.

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References

The Effect of CuO Nanoparticles on Antimicrobial Effects and Shear Bond Strength of Orthodontic Adhesives

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APA: Copy

DAVARI, ABABDOLRAHIM, Mosaddegh, Ahmad, DANESHKAZEMI, ALIREZA, & Mortazavi Sanigei, Seyed Mehdi. (2020). Comparison of Antibacterial Effect of Composite Resins Incorporating Copper with Zinc Oxide Nanoparticles on Streptococcus Mutans. JOURNAL OF MASHHAD DENTAL SCHOOL, 43(4 ), 344-351. SID. https://sid.ir/paper/74014/en

Vancouver: Copy

DAVARI ABABDOLRAHIM, Mosaddegh Ahmad, DANESHKAZEMI ALIREZA, Mortazavi Sanigei Seyed Mehdi. Comparison of Antibacterial Effect of Composite Resins Incorporating Copper with Zinc Oxide Nanoparticles on Streptococcus Mutans. JOURNAL OF MASHHAD DENTAL SCHOOL[Internet]. 2020;43(4 ):344-351. Available from: https://sid.ir/paper/74014/en

IEEE: Copy

ABABDOLRAHIM DAVARI, Ahmad Mosaddegh, ALIREZA DANESHKAZEMI, and Seyed Mehdi Mortazavi Sanigei, “Comparison of Antibacterial Effect of Composite Resins Incorporating Copper with Zinc Oxide Nanoparticles on Streptococcus Mutans,” JOURNAL OF MASHHAD DENTAL SCHOOL, vol. 43, no. 4 , pp. 344–351, 2020, [Online]. Available: https://sid.ir/paper/74014/en

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