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Effect of restorative techniques on fracture resistance of endodontically treated premolars

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DOI: 10.4236/ojst.2013.37064    3,558 Downloads   5,360 Views   Citations

ABSTRACT

Purpose: This study was aimed to evaluate the effect of restorative materials and glass fiber post on the fracture resistance of endodontically treated premolars. Material and Methods: Fifty extracted single rooted lower premolars were used in this in vitro study and divided into 5 groups: sound teeth (control group); mesial-occlusal-distal (MOD) preparation + endodontic treatment + composite restoration; MOD preparation + endodontic treatment + glass fiber post + composite restoration; MOD preparation + endodontic treatment + amalgam restoration; MOD preparation + endodontic treatment + glass fiber post + amalgam restoration. The specimens were loaded on a universal testing machine at the crosshead speed of1 mm/min until fracture. The data were analyzed using two-way ANOVA test. Results: The mean loads at fracture were 860.11 N, 801.79 N, 761.39 N, 737.14 N and 707.85 N respectively. There were no statistically significant differences (P > 0.05) in the fracture resistance of teeth restored with composite and amalgam, as well as restored with or without glass fiber post. Conclusions: The type of restorative material and the usage of glass fiber post do not have visible influence on the fracture resistance of the endodontically treated mandibular premolars.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Al-Makramani, B. , Razak, A. , Yi, N. , Ying, S. and Al-Sanabani, F. (2013) Effect of restorative techniques on fracture resistance of endodontically treated premolars. Open Journal of Stomatology, 3, 379-385. doi: 10.4236/ojst.2013.37064.

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