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Paper Information

Journal:   JOURNAL OF ISFAHAN DENTAL SCHOOL   WINTER 2018 , Volume 13 , Number 4 ; Page(s) 375 To 383.
 
Paper: 

PREPARATION AND INVESTIGATION OF MECHANICAL PROPERTIES OF GLASS IONOMER CEMENT/CARBON NANOTUBE/BAGHDADITE NANOCOMPOSITE

 
 
Author(s):  LABBAF SHIRIN, DOOSTMOHAMMADI ALI*
 
* MATERIALS DEPARTMENT, ENGINEERING FACULTY, SHAHREKORD UNIVERSITY, SHAHREKORD, IRAN
 
Abstract: 
Introduction: Considering the importance of glass-ionomer cements (GICs) in dentistry and their poor mechanical properties, the aim of this study was to improve their mechanical properties by manufacturing a glass-ionomer?carbon nanotube?baghdadite nanocomposite by adding carbon nanotubes and baghdadite nanoparticles.Materials& Methods: In the present experimental study, carbon nanotubes with 0.5 wt% and baghdadite nanoparticles in 1, 3 and 5 wt% were added to the cement component of a commercial glass-ionomer cement (Fuji ?? GC) for preparing glass-ionomer?carbon nanotube? baghdadite nanocomposite. Then the mechanical properties of the samples were evaluated by the cold compressive strength (CCS), three-point flexural strength (FS) and diametral tensile strength (DTS) tests. In addition, the fractured sample surfaces were evaluated after the compressive strength test under a scanning electron microscope. Data were analyzed with one-way ANOVA at a significance level of p value<0.05. A total of three samples were evaluated (n=3).Results: Based on the results of mechanical tests, the composite containing 0.5 wt% of carbon nanotubes and 1 wt% of baghdadite nanoparticles exhibited the highest compressive strength, diametral tensile strength and flexural strength. In addition, SEM micrographs indicated a decrease in pores in the composite structure and a decrease in stress concentration and propagation of cracks, resulting in an increase in the mechanical strength of samples.Conclusion: According to the results, the most appropriate sample for dental and orthopedic applications in load-bearing areas is glass-ionomer cement containing 0.5 wt% carbon nanotubes and 1 wt% baghdadite.
 
Keyword(s): BAGHDADITE, CARBON NANOTUBE, COMPRESSIVE STRENGTH, FLEXURAL STRENGTH, GLASSIONOMER CEMENT, TENSILE STRENGTH
 
 
References: 
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APA: Copy

LABBAF, S., & DOOSTMOHAMMADI, A. (2018). PREPARATION AND INVESTIGATION OF MECHANICAL PROPERTIES OF GLASS IONOMER CEMENT/CARBON NANOTUBE/BAGHDADITE NANOCOMPOSITE. JOURNAL OF ISFAHAN DENTAL SCHOOL, 13(4 ), 375-383. https://www.sid.ir/en/journal/ViewPaper.aspx?id=569095



Vancouver: Copy

LABBAF SHIRIN, DOOSTMOHAMMADI ALI. PREPARATION AND INVESTIGATION OF MECHANICAL PROPERTIES OF GLASS IONOMER CEMENT/CARBON NANOTUBE/BAGHDADITE NANOCOMPOSITE. JOURNAL OF ISFAHAN DENTAL SCHOOL. 2018 [cited 2021December09];13(4 ):375-383. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=569095



IEEE: Copy

LABBAF, S., DOOSTMOHAMMADI, A., 2018. PREPARATION AND INVESTIGATION OF MECHANICAL PROPERTIES OF GLASS IONOMER CEMENT/CARBON NANOTUBE/BAGHDADITE NANOCOMPOSITE. JOURNAL OF ISFAHAN DENTAL SCHOOL, [online] 13(4 ), pp.375-383. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=569095.



 
 
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