Lambor, Rajan TAtaide, Ida de Noronha deChalakkal, PaulAkkara, FrancisShariff, Suhail AhamedFernandes, Kristlee Sabrin2013-03-262013-03-262012-09Lambor Rajan T, Ataide Ida de Noronha de, Chalakkal Paul, Akkara Francis, Shariff Suhail Ahamed, Fernandes Kristlee Sabrin. An in vitro comparison between the apical sealing abilities of resilon with Epiphany® sealer and gutta-percha with AH plus sealer. Indian Journal of Dental Research. 2012 Sept-Oct; 23(5): 694-698.http://imsear.searo.who.int/handle/123456789/145812Context: The study assesses the apical sealing ability of two obturating materials (resilon and gutta-percha) with their sealants by means of the dye penetration method using India ink. Aims: To compare the resistance to apical dye penetration between resilon (with Epiphany sealer; Epiphany®, Pentron clinical technologies, USA) and gutta-percha (with AH Plus sealer; Dentsply, Maillefer, Germany). It was hypothesized that there would be no difference between the two groups with regard to apical dye penetration. Settings and design: Hundred mandibular first premolars from individuals aged between 20 to 25 years were selected after their lengths were standardized. Materials and Methods: Instrumentation was performed with NiTi hand protaper files (Dentsply, Maillefer) using EDTA paste and copious irrigation with 2.5% sodium hypochlorite. Experimental group 1 consisted of roots that were treated with Epiphany primer and obturated with resilon (with Epiphany sealer). Experimental group 2 consisted of those obturated with gutta-percha using AH Plus sealer. The samples were immersed in blue India Ink and cleared using 5% nitric acid. Dye penetration was assessed under a stereomicroscope. Statistical analysis: Mann-Whitney U test. Results: Roots obturated with resilon core material and Epiphany sealer exhibited lesser mean apical dye penetration (1.281 mm; SD: 0.742) in comparison to those obturated with gutta-percha and AH plus sealer (2.154 mm; SD: 0.814). The difference was found to be highly significant (P<0.0025). Conclusion: Resilon (with Epiphany sealer) provided better radicular apical sealing in comparison to gutta percha (with AH Plus sealer).enAH plusEpiphanygutta-percharesilonsealerEpoxy Resins --therapeutic useGutta-Percha --therapeutic useHumansMaterials TestingResins, SyntheticRoot Canal Filling Materials --therapeutic useRoot Canal IrrigantsTooth Apex --therapyArticle