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ORIGINAL ARTICLE
Year : 2020  |  Volume : 12  |  Issue : 2  |  Page : 77-79

Comparative evaluation of three different intraorifice barrier on fracture resistance of endodontically treated teeth: an in vitro study


Department of Conservative Dentistry and Endodontics, Inderprastha Dental College and Hospital, Sahibabad, Uttar Pradesh, India

Correspondence Address:
Aditi Dhaundiyal
Department of Conservative Dentistry and Endodontics, Inderprastha Dental College and Hospital, Sahibabad, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/IJDS.IJDS_4_20

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Aims: The aim of this study is to evaluate the role of three different intraorifice barrier materials on resistance to fracture of obturated teeth with seal-apex sealer. Subjects and Methods: Eighty extracted human single-rooted mandibular premolars were decoronated to approximately similar dimension, and prepared and obturated with gutta-percha and seal-apex sealer. For the placement of different intraorifice barrier materials, the coronal 3-mm gutta-percha was removed except for the control group. The specimens were divided into four groups (n = twenty) on the basis of the intraorifice barrier material used. Group I: Mineral trioxide aggregate (MTA), Group II: Cention N, Group III: Nanohybrid composite, Group IV: Control, Fracture resistance of the specimens was tested. Statistical Analysis Used: It was done by the statistical software SPSS version 16.0. One-way ANOVA followed by Tukey's HSD test and independent t-test was used. Results: Fracture resistance of endodontically treated tooth was significantly affected by the type of intraorifice barrier used (P < 0.001). Conclusions: The use of nanohybrid composite significantly improved fracture resistance followed by cention N and MTA as compared to the control group.


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