Journal of Conservative Dentistry
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Year : 2019  |  Volume : 22  |  Issue : 5  |  Page : 420-424

A comparative evaluation of fracture resistance of endodontically treated teeth using four different intraorifice barriers: An in vitro study

Department of Conservative Dentistry and Endodontics, Sudha Rustagi College of Dental Sciences and Research, Faridabad, Haryana, India

Correspondence Address:
Dr. Parul Chauhan
House No. 668, Sector 9, Faridabad, Haryana
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JCD.JCD_227_19

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Aim: The aim of this study is to evaluate and compare the fracture resistance of endodontically treated teeth using four intraorifice barriers. Materials and Methods: Fifty extracted single-rooted mandibular premolars were selected, decoronated, and prepared with rotary Protaper universal system and obturated with gutta-percha and AH Plus sealer. Samples were divided into five groups (n = 10) on the basis of intraorifice barrier material used. Group 1: Biodentine, Group 2: Conventional glass ionomer cement (GIC), Group 3: Resin-modified glass ionomer cement (RMGIC), Group 4: Nanohybrid composite, Group 5: No barrier (control).Except for control specimens, coronal 3-mm gutta-percha was removed and filled with different intraorifice barrier materials in respective groups. Fracture resistance of specimens was tested using universal testing machine. Statistical Analysis Used: One-way analysis of variance test and Post hoc Tukey's test. Results: Mean fracture resistance of all experimental groups (with intraorifice barriers placed) were higher than control group (no intraorifice barrier placed). Biodentine showed the highest mean fracture resistance while RMGIC showed the least and the difference between their mean fracture resistance was statistically significant. There was no statistically significant difference among other experimental groups. Conclusion: Placement of intraorifice barriers in endodontically treated teeth can significantly increase fracture resistance and this increase in fracture resistance is material dependent.

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