Journal of Conservative Dentistry
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Year : 2013  |  Volume : 16  |  Issue : 6  |  Page : 489-493

Sealing ability of three single-cone obturation systems: An in-vitro glucose leakage study

1 Department of Conservative Dentistry, Faculty of Dentistry, Mansoura University, Mansoura, Egypt
2 Department of Conservative Dentistry, Ajman University, Ajman, United Arab Emirates

Correspondence Address:
Mohamed Abdel Aziz Mohamed El Sayed
Department of Conservative Dentistry, Faculty of Dentistry, Mansoura University, El Gomhoreia Street, Mansoura, Egypt
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-0707.120936

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Aim: The aim of this study is to compare the corono-apical sealing ability of three single-cone obturation systems using a glucose leakage model. Materials and Methods: A total of 90 extracted maxillary single rooted teeth were selected and their crowns were cut. The root canal of each sample was instrumented using a rotary crown down technique and then divided into four experimental (n = 20 each) and two control groups (n = 5 each). Samples in the experimental groups were filled as follows: Group 1, cold lateral condensation using Gutta-percha/AH Plus; Group 2, single-cone Gutta-percha and AH Plus; Group 3, single-cone Gutta-percha/and GuttaFlow2; Group 4, single-cone Resilon/RealSeal SE after 7 days, the sealing ability of root canal fillings was tested at different time intervals using glucose leakage model. Glucose leakage values were measured using a spectrophotometer and statistically analyzed. Results: The four experimental groups presented significantly different glucose leakage values at all test periods (P < 0.05). At the end of the observation period, the cumulative glucose leakage values of Groups 3 and 4 were significantly lower than those of Groups 1 and 2 (P < 0.05). Conclusion: Gutta-percha/GuttaFlow2 or Resilon/RealSeal SE combinations provided the superior sealing ability over the lateral condensation technique.

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