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Year : 2020  |  Volume : 17  |  Issue : 3  |  Page : 114-118

Comparative evaluation of macro-form and nano-form of bioactive glass and triple antibiotic paste on fracture resistance of root dentin

1 Department of Endodontics, Faculty of Dentistry, Fayoum University, Fayoum, Egypt
2 Department of Endodontics, Faculty of Dentistry, Ain Shams University, Cairo, Egypt
3 Department of Endodontics, Faculty of Dentistry, Assiut University, Assiut, Egypt

Correspondence Address:
Mohamed A Elsayed
Department of Endodontic, Faculty of Dentistry, Assiut University, Assiut 71515, Egypt
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/tdj.tdj_3_20

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Introduction The aim of this study was to compare the effect of using nanoparticle and macroparticles of bioactive glass (BAG) and triple antibiotic paste (TAP) as intracanal medicaments on the fracture resistance of root dentin. Materials and methods After root canal preparation, one hundred single-rooted premolars were randomly assigned into five groups according to the applied intracanal medicaments (n = 20): BAG, bioactive glass nano-form (BAG-N), TAP, triple antibiotic paste nano-form (TAP-N), and a control group where only irrigation with 5% NaOCl was done. After mounting roots in a universal testing machine, the force required to break each tooth was recorded in Newtons. Data analysis was performed using Kruskal–Wallis test to determine the level of significance among all groups P less than 0.05, and Mann–Whiteny test was used to compare paired independent samples. Results Fracture resistance values of BAG either macro or nano-form were significantly higher than those of TAP macro and nano-forms. Roots treated with nano-form medicament either BAG or TAP showed lower fracture resistance values than those treated with macro form but this difference was statistically insignificant. Roots treated with TAP-nano-form showed the lowest fracture resistance values among all groups. Conclusion Using nano-form medicaments as intracanal dressing did not enhance fracture resistance of endodontically treated teeth.

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