ASSESSMENT AND RE-TREATMENT OF RESILON OBTURATION SYSTEM; PART 1: RESILON: ASSESSMENT OF DEGRADED FILLING MATERIAL IN NON-HEALED CASES; PART 2: RESILON: A CASE SERIES OF RETREATMENTS OF NON- HEALED CASES Public Deposited

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Last Modified
  • March 21, 2019
Creator
  • Payne, Lesleigh
    • Affiliation: School of Dentistry, Department of Endodontics
Abstract
  • Resilon obturation system was discontinued following its introduction as an alternative to traditional gutta percha and sealer. In-vitro models support anecdotal reports of degraded Resilon filling material. This may represent a significant health concern for the patient. The aim of this study was to determine the proportion of Resilon degradation in non-healed endodontic cases and to present a case series describing retreatments of non-healed Resilon obturated teeth. Patients previously treated with Resilon (R) or Gutta-Percha (GP) that had a non-healed canal that needed a retreatment were enrolled. The proportion of degraded filling material was statistically significantly different between R and GP treated groups (p=.0003) with 78% of R canals being degraded compared to 0% of GP canals. The difference in the proportionality of degradation between the two materials was marginally significant (p=.054) when dichotomized time to follow-up and presence of an orifice barrier were controlled for in the multivariate analysis.
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Advisor
  • Phillips, Ceib
  • Tawil, Peter
  • Fouad, Ashraf
Degree
  • Master of Science
Degree granting institution
  • University of North Carolina at Chapel Hill
Graduation year
  • 2018
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