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ORIGINAL ARTICLE
Year : 2017  |  Volume : 20  |  Issue : 10  |  Page : 1237-1241

The force required to fracture endodontically roots restored with various materials as intra-orifice barriers


1 Department of Restorative Dentistry, Faculty of Dentistry, Sifa University, Izmir, Turkey
2 Department of Endodontics, Faculty of Dentistry, Ataturk University, Erzurum, Turkey
3 Department of Restorative Dentistry, Faculty of Dentistry, Izmir Katip Celebi University, Izmir, Turkey
4 Department of Pediatric Dentistry, Faculty of Dentistry, Izmir Katip Celebi University, Izmir, Turkey

Correspondence Address:
Dr. E Yasa
Department of Restorative Dentistry, Faculty of Dentistry, Sifa University, Izmir, 35535
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1119-3077.181390

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Objective: To evaluate the effect of various materials as intra-orifice barriers on the force required fracture roots. Materials and Methods: One hundred-thirty five mandibular premolars were decoronated and prepared up to size #40. The root canals were filled and randomly divided into two control and seven experimental groups (n = 15), as follows: Positive control group (the intra-orifice barrier cavity was not prepared), negative control group (the intra-orifice barrier cavity was prepared, but not filled), filling using glass ionomer cement, nano-hybrid composite resin, short fiber-reinforced composite, bulk-fill flowable composite, MTA Angelus, Micro Mega MTA or Biodentine. A fracture strength test was performed, and the data were analyzed using one-way ANOVA and Tukey's post hoc tests. Results: Nano-hybrid composite, short fiber-reinforced composite, bulk-fill flow able composite, and glass ionomer cement increased the force required fracture the roots compared to the positive and negative control groups (P < 0.05). While MTA groups did not increase the force required fracture the roots compared to the control groups, Biodentine increased significantly. Conclusions: Within the limitations of the present study, the use of nano-hybrid composite, short fiber-reinforced composite, bulk-fill flowable composite, and glass ionomer cement as an intra-orifice barrier may be useful in reinforcing roots. MTA placement (MTA Angelus or Micro Mega MTA) did not significantly increase the fracture resistance of endodontically treated roots compared to the control groups, however Biodentine did.


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