Effect of the of Zeolite Containing Silver-Zinc Nanoparticles on the Push out Bond Strength of Mineral Trioxide Aggregate in Simulated Furcation Perforation

Ghasemi, Negin; Rahimi, Saeed; Samiei, Mohamad; Mohamadi, Mehrnoosh; Rezaei, Yashar; Divband, Baharak; Farhangi, Negin

doi:10.30476/dentjods.2019.44919

Effect of the of Zeolite Containing Silver-Zinc Nanoparticles on the Push out Bond Strength of Mineral Trioxide Aggregate in Simulated Furcation Perforation

Document Type : Original Article

Authors

Negin Ghasemi ¹

Saeed Rahimi ¹

Mohamad Samiei ¹

Mehrnoosh Mohamadi ¹

Yashar Rezaei ²

Baharak Divband ³

Negin Farhangi ⁴

¹ Dept. of Endodontics, Dental and Periodontal Research Center, Dental Faculty, Golgasht Street, Tabriz University of Medical Sciences, Tabriz, Iran.

² Dept. of Dental Biomaterials, Dental Faculty, Tabriz University of Medical Sciences, Golgasht Street, Tabriz, Iran.

³ Dept. of Chemistry, Tabriz University, Tabriz, Iran.

⁴ Student of Dentistry, Dental Faculty, Tabriz University of Medical Sciences, Golgasht Street, Tabriz, Iran.

https://doi.org/10.30476/dentjods.2019.44919

Abstract

Statement of the Problem: Recently, zeolite has been regarded to improve the properties of dental materials such as mineral trioxide aggregate (MTA).Purpose: The aim of the present study was to evaluate the effect of incorporating zeolite/silver/zinc (Ze/Ag/Zn) composite at 2 wt% to MTA powder on the push-out bond strength in simulated furcation perforations.Materials and Method: Furcal perforations, measuring 1.3 mm in diameter and 2 mm in height, were simulated in 40 human mandibular first molars. The samples were allocated to two groups (n=20) based on the material used for the repair of perforations. In the group 1, MTA and in the group 2, MTA plus Ze/Ag/Zn (2%) was used. The samples were incubated at 37°C for 1 week. Then the universal testing machine was employed to measure bond strength. The resistance of materials to dislodgment was recorded in MPa. Data were analyzed using t-test. Statistical significance was set at p < 0.05.Results: The push-out bond strength in the group 1 (6.40±1.98 MPa) was significantly higher than that in the group 2 (2.1±0.6 MPa) with p= 0.001.Conclusion: Under the limitations of the present study, it can be concluded that incorporation of Ze/Ag/Zn at 2 wt% to MTA powder had a negative effect on the push-out bond strength. Key Words ● Bond strength ● MTA ● Nanoparticles ● Push out ● Zeolite

Keywords

Bond strength

MTA

Nanoparticles

Push out

Zeolite

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