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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/67891
Physicochemical properties and interfacial adaptation of root canal sealers.
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This study compared the physicochemical properties and interfacial adaptation to canal walls of Endo-CPM-Sealer, Sealapex and Activ GP with the well-established AH Plus sealer. The following analyses were performed: radiopacity, pH variation and solubility using samples of each material and scanning electron microscopy of root-filled bovine incisors to evaluate the interfacial adaptation. Data were analyzed by the parametric and no-parametric tests (α=0.05). All materials were in accordance with the ANSI/ADA requirements for radiopacity. Endo-CPM-Sealer presented the lowest radiopacity values and AH Plus was the most radiopaque sealer (p=0.0001). Except for ActiV GP, which was acidic, all other sealers had basic chemical nature and released hydroxyl ions. Regarding solubility, all materials met the ANSI/ADA recommendations, with no statistically significant difference between the sealers (p=0.0834). AH Plus presented the best adaptation to canal walls in the middle (p=0.0023) and apical (p=0.0012) thirds, while the sealers Activ GP and Endo-CPM-Sealer had poor adaptation to the canal walls. All sealers, except for ActiV GP, were alkaline and all of them fulfilled the ANSI/ADA requirements for radiopacity and solubility. Regarding the interfacial adaptation, AH Plus was superior to the others considering the adaptation to the bovine root canal walls.
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CAÑADAS, Piedad s., BERÁSTEGUI, Esther, GATÓN HERNÁNDEZ, Patrícia, SILVA, Léa assed bezerra da, LEITE, Giselle a., SILVA, Roberto s.. Physicochemical properties and interfacial adaptation of root canal sealers.. _Brazilian Dental Journal _. 2014. Vol. 25, núm. 5, pàgs. 435-441. [consulta: 23 de gener de 2026]. ISSN: 0103-6440. [Disponible a: https://hdl.handle.net/2445/67891]