Journal of Conservative Dentistry
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Year : 2012  |  Volume : 15  |  Issue : 3  |  Page : 274-277

Evaluation of the sealing ability of resin cement used as a root canal sealer: An in vitro study

1 Department of Conservative Dentistry and Endodontics, Dayanand Sagar College of Dental Sciences Shyavige Malleshwara Hills, Bangalore, Karnataka, India
2 Department of Prosthodontics and Implantology, M R Ambedkar Dental College and Hospital, Bangalore, Karnataka, India

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R Vinod Kumar
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-0707.97958

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Aim: This study was designed to evaluate the apical seal of root canals obturated with resin cement as a root canal sealer and compare with that of the glass ionomer and zinc oxide eugenol sealers using a cold lateral condensation gutta-percha technique. Background: Successful root canal treatment requires three-dimensional obturation of the root canal system with nonirritating biomaterials. None of the available materials are capable of providing a fluid tight seal. Materials and Methods: The prepared teeth were randomly divided into three groups of 15 each to be obturated using three different sealers. Group I: zinc oxide eugenol (Tubliseal), Group II: Glass ionomer (Ketac Endo), and Group III: resin cement (C & B Superbond). All the specimens were stored in 100% relative humidity at 37° for 24 h. The specimens were placed in 2% methylene blue dye for 48 h and sectioned. The dye penetration was evaluated under a stereomicroscope. Results: The "Kruskal-Wallis" test was carried out to test the equality of mean. All the specimens showed dye leakage, and there was a statistically significant difference (P < 0.0001) among the groups. The specimens in Group III showed a minimal leakage and the specimens in Group I showed a maximum leakage. Conclusion: Resin cement sealed the root canals significantly better when compared with zinc oxide eugenol and glass ionomer sealers.

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