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Revista clínica de periodoncia, implantología y rehabilitación oral

versión On-line ISSN 0719-0107


EHRMANTRAUT NOGALES, M; TERRAZAS SOTO, P  y  LEIVA BUCHI, M. Marginal sealing in indirect restorations, cemented with two different adhesive systems. Rev. Clin. Periodoncia Implantol. Rehabil. Oral [online]. 2011, vol.4, n.3, pp. 106-109. ISSN 0719-0107.

Aim: The purpose of this research was to study the marginal sealing in 80 composite resin inlay, bonded with flow composite resin using a Self-etch fluid (Go!, SDI, Australia) versus a total-etching system (Stae, SDI, Australia). Method: The samples were placed in an oven at 37ºC and 100% humidity for 48 hours, after which the samples were thermocycled in a methylene blue 1% solution. This cycle was repeated 80 times. The samples were cut transversally, the restorations were observed trough an optical microscope to calculate the percentage of filtration in relation to the total length of the cavity to the axial wall. Results: The results were statistically analyzed by Student t-test. And there were significant differences in the marginal leakage. The group that used a Self-etch adhesive system showed significantly higher marginal leakage values than the group that used the conventional system. Conclusion: All the samples showed some degree of marginal leakage, but the group using a self-etching adhesive system showed marginal leakage values significantly higher than the group using the conventional one.

Palabras clave : Self adhesive; marginal leakage.

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