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CC BY-NC-ND 4.0 · Eur J Dent 2018; 12(01): 105-110
DOI: 10.4103/ejd.ejd_172_16
Original Article
Dental Investigation Society

Effect of 0.12% chlorhexidine and zinc nanoparticles on the microshear bond strength of dentin with a fifth-generation adhesive

Homayoon Alaghehmad
1   Dental Materials Research Center, Department of Esthetic and Restorative Dentistry, Dental Materials Research Center, Babol University of Medical Sciences, Babol, Iran
,
Elham Mansouri
2   Department of Esthetic and Restorative Dentistry, Babol University of Medical Sciences, Babol, Iran
,
Behnaz Esmaili
1   Dental Materials Research Center, Department of Esthetic and Restorative Dentistry, Dental Materials Research Center, Babol University of Medical Sciences, Babol, Iran
,
Ali Bijani
3   Social Determinant of Health Research Center, Babol University of Medical Sciences, Babol, Iran
,
Sogol Nejadkarimi
4   Department of Esthetic and Restorative Dentistry, Shahid beheshti University of Medical Sciences, Tehran, Iran
,
Mohsen Rahchamani
5   Doctor of Dental Surgery, Private Practice, Tehran, Iran
› Author Affiliations
Further Information

Publication History

Publication Date:
13 September 2019 (online)

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ABSTRACT

Objective: In this study, we compared the effects of 0.12% chlorhexidine (CHX) and nano zinc oxide (NZO) on the microshear bond strength of dentin with a fifth-generation adhesive after acid etching. Materials and Methods: Forty molar teeth were randomly divided into four main groups based on dentin surface treatment technique (a) control (single bond 2); (b) NZO; (c) CHX; and (d) NZO + CHX. In each group, half of the samples underwent thermocycling, with no thermocycling in the other half. Then, failure mode was evaluated under a stereomicroscope. Statistical analysis was performed using t-test, two-way ANOVA, and Chi-squared test. Results: The mean microshear bond strength of the groups without thermocycling was more than that of the groups with thermocycling, but there were no statistically significant differences between the groups with and without thermocycling in pair-wise comparisons. Conclusion: Pretreatment with NZO and CHX separately and simultaneously had no effect on the microshear bond strength of a fifth-generation adhesive.

Key words:

Acid etching - bond strength - chlorhexidine - nano zinc oxide
 

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