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Confocal laser scanning microscopic analysis of the penetration of an epoxy resin-based sealer into dentinal tubules after calcium hydroxide dressing.
Machado, Manoel E L; Veintimilla Lozada, Virginia Natalia; Carrillo Rengifo, Karol Jasmin; Guillén, Raquel E G; Caballero-Flores, Hector; Nabeshima, Cleber Keiti.
Afiliación
  • Machado MEL; Department of Restorative Dentistry, School of Dentistry, University of São Paulo, São Paulo, Brazil.
  • Veintimilla Lozada VN; School of Dentistry, University Central del Ecuador, Quito, Ecuador.
  • Carrillo Rengifo KJ; School of Dentistry, University Central del Ecuador, Quito, Ecuador.
  • Guillén REG; School of Dentistry, University Central del Ecuador, Quito, Ecuador.
  • Caballero-Flores H; Department of Restorative Dentistry, School of Dentistry, University of São Paulo, São Paulo, Brazil.
  • Nabeshima CK; Department of Restorative Dentistry, School of Dentistry, University of São Paulo, São Paulo, Brazil.
Aust Endod J ; 47(3): 480-486, 2021 Dec.
Article en En | MEDLINE | ID: mdl-33769648
This study assessed the penetration of an epoxy resin-based sealer into dentinal tubules of root canals previously medicated with calcium hydroxide. Sixteen palatal root canals of upper molars were instrumented and distributed into two groups: (G1) root canals medicated with calcium hydroxide and obturated after its removal; (G2) root canals obturated without the use of dressing. Sealer mixed with rhodamine B provided fluorescence for confocal laser scanning microscopy. Measurements of area and linear penetration of the sealer were assessed in three thirds by ImageJ software. The data were statistically compared by Kruskal-Wallis, Dunn's and Mann-Whitney U tests (P < 0.01). The calcium hydroxide decreased the penetration of the sealer. The coronal and middle thirds had similar areas and linear penetrations in both groups, whereas the apical third had less penetration. In conclusion, the penetration of the epoxy resin-based sealer is influenced by the calcium hydroxide dressing used between appointments.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Hidróxido de Calcio / Resinas Epoxi Idioma: En Revista: Aust Endod J Asunto de la revista: ODONTOLOGIA Año: 2021 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Australia
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Hidróxido de Calcio / Resinas Epoxi Idioma: En Revista: Aust Endod J Asunto de la revista: ODONTOLOGIA Año: 2021 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Australia