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Fuerza de adhesión in vitro de cinco sistemas adhesivos y un cemento autograbador-autoadhesivo sobre la dentina del canal radicular y coronal superficial

By Gabriel Nima Bermejo


It was compared bonding strength of five bonding systems and a self-etching self-adhesive resin cement on root dentin at the coronal and middle third and superficial coronal dentin with microtensile test. Twelve human third molars had their occlusal enamel removed in order to expose a flat dentinal surface, and 42 premolars were decoronated which root canals were prepared to receive a post, after that, they were ground longitudinally to expose root canal, the teeth were divided into 6 groups (GI: All Bond 2 (AB), GII: One Coat Bond (OC), GIII: Excite (EX); GIV: Stae (ST); GV: G-Bond (GB) y GIV: MaxCem (MC). Each one was subdivided in superficial coronal dentin (c), coronal third (r) y middle third (m). Adhesive procedure was carried out according to the system followed by composite Glacier applied in increments. After 24 hours teeth were sectioned in order to obtain 20 specimens per group which were evaluated with microtensile test.TesisSe comparó la fuerza de adhesión de cinco sistemas adhesivos y un cemento autograbador – autoadhesivo mediante microtensión en la dentina del canal radicular en su tercio cervical y medio y la dentina coronal superficial. Se utilizaron 12 terceras molares a las que se les eliminó el esmalte oclusal y 42 premolares que fueron descoronados y sus canales radiculares preparados para recibir un poste, posteriormente fueron seccionadas longitudinalmente para exponer el canal radicular, se formaron 6 grupos (GI: All Bond 2 (AB), GII: One Coat Bond (OC), GIII: Excite (EX); GIV: Stae (ST); GV: G-Bond (GB) y GIV: MaxCem (MC) cada uno subdividido en dentina coronal superficial(c), radicular cervical(r) y radicular media(m). Se realizó un procedimiento adhesivo de acuerdo con cada grupo y se colocó la resina Glacier. Las piezas fueron seccionadas 24 horas después, obteniendo 20 especímenes por grupo que fueron evaluados con microtensión

Topics: Adhesivos dentales, Cementos dentales, Obturaciones (Odontología), Odontología - Aspectos estéticos
Publisher: 'Universidad Nacional Mayor de San Marcos, Vicerectorado de Investigacion'
Year: 2013
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