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Revista odontológica mexicana
Print version ISSN 1870-199X
Abstract
JIMENEZ ARRIBAS, Alejandra and YAMAMOTO NAGANO, Adolfo. Assessment of improved glass ionomer microleakage (Ketac Molar Easymix ® ) with or without use of a conditioner. Rev. Odont. Mex [online]. 2015, vol.19, n.3, pp.170-173. ISSN 1870-199X. https://doi.org/10.1016/j.rodmex.2015.07.003.
The aim of the present study was to assess microleakage experienced by improved glass ionomer (Ketac Molar Easymix ®) with and without use of conditioner. In order to conduct this study, 40 third molars were used. Molars had previously been extracted, cleansed and hydrated. Two 20 randomly selected sample groups were established. Samples were subjected to prophylaxis and class V cavities were created on the vestibular (labial) surface of the teeth. Before ionomer application, and according to manufacturer's instructions, group A received a polyacrylic acid conditioner, whereas group B received direct ionomer application. All samples were subjected to a thermo-cycling process and then were immersed in a 1% methylene blue solution for 30 minutes. All molars were sectioned with carbide burr executing longitudinal cuts at the preparation's center. Each section was carefully examined under the microscope. Samples were rated and the following was observed: microleakage, for group A was 2.06% and for group B 1.84% which did not represent statistically significant differences. It can therefore be concluded that application of conditioner in this type of cavities and with this particular material does not cause statistically significant differences.
Keywords : Glass ionomer; microleakage; conditioner; polyacrylic acid.