JICDRO is a UGC approved journal (Journal no. 63927)
Year : 2019  |  Volume : 11  |  Issue : 1  |  Page : 14-19

Comparative evaluation of intraorifice sealing ability of different materials in endodontically treated teeth: An In vitro study

1 Department of Conservative Dentistry and Endodontics, Sri Guru Ram Das Institute of Dental Sciences and Research, Amritsar, India
2 Deep Dental Hospital and Orthodontic Centre, Ropar, Punjab, India

Correspondence Address:
Dr. Renuka Nain
Department of Conservative Dentistry and Endodontics, Sri Guru Ram Das Institute of Dental Sciences and Research, Mall Mandi, Amritsar - 143 007, Punjab
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jicdro.jicdro_18_18

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Introduction: Coronal microleakage holds importance among various causes of failure after endodontic treatment leading to infection in the periradicular, periodontal ligament, or supporting osseous structures. Loss of coronal seal may occur due to leakage of temporary filling material or fracture of the permanent restoration. Therefore, the use of an intraorifice barrier material would be advantageous in reducing leakage and increasing possibilities for success. Materials and Methods: Fifty single-rooted mandibular premolars were decoronated, cleaned, shaped, and obturated. Gutta-percha was removed to the depth of 3 mm from the orifice. Ten specimens each were sealed with Cention N (Ivoclar Vivadent), Biodentine (Septodont), and glass-ionomer cement (GIC, GC9 high-strength posterior restoration) along with positive and negative control groups, respectively. The teeth were then submerged in dye. Specimens were longitudinally sectioned, and leakage was measured using ×10 stereomicroscope and graded for the depth of microleakage. Results: The samples were subjected to statistical analysis using one-way ANOVA and post hoc Tukey's test and showed that mean microleakage values in all the groups were significantly different from each other (P < 0.001) with the lowest microleakage in Biodentine followed by GIC and Cention N and highest in positive control group. No microleakage was seen in negative control group. Conclusion: The present study concluded that intraorifice barrier placement provides better coronal seal, prevents microleakage, and enhances the longevity of postobturation restorations. Biodentine proved to be the best followed by GIC, Cention N, and control groups.

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