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Revista Facultad de Odontología Universidad de Antioquia
versão impressa ISSN 0121-246X
Resumo
FALCONI-BORJA, Gabriela Marina; MOLINA-PULE, Carla Grimaneza; VELASQUEZ-RON, Byron Vinicio e ARMAS-VEGA, Ana del Carmen. EVALUATION OF MICROLEAKAGE DEGREE IN COMPOSITE RESIN RESTORATIONS BY COMPARING TWO ADHESIVES SYSTEMS AFTER DIFFERENT AGING PERIODS. Rev Fac Odontol Univ Antioq [online]. 2016, vol.27, n.2, pp.281-295. ISSN 0121-246X. https://doi.org/10.17533/udea.rfo.v27n2a3.
Introduction:
the clinical success of adhesive systems is based on the use of a responsible for creating microporosity in the dental structure acid and arises assess in vitro the degree of microfiltration in direct restorations with cavities class V where two adhesive systems differently used composition and at different periods of time.
Methods:
in the cervical third of 60 third molars extracted by therapeutic indication performed by diamond instruments, two cavities one on the vestibular side and one on the palatal or lingual side; It separated into two groups of 30 in the first acid conditioning was performed and then applied -Voco Admire bond while the second group Futurabond-Voco applied; both groups were restored with resin composite Admira-Voco, each group was divided into two subgroups of 15 subgroups A were subjected to thermal cycling for 10800 cycles and 5400 cycles B subgroups. It concluded these periods proceeded to staining with methylene blue and then a cut is made lengthwise to assess the income of the dye in the interface formed; this pigmentation was evaluated and measured under stereomicroscope.
Results:
the obtained data were statistically analyzed by Tukey′s test, which showed the existence of differences between the groups evaluated, so evident at the level of cervical margin with a p > 0.05
Conclusions:
it is evident that the artificial aging increased microfiltration resin composite restorations regardless of the type of adhesive system used.
Palavras-chave : adhesive systems; microfiltration; composite resins.