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Biocompatibility and bioactivity of calcium silicate-based endodontic sealers in human dental pulp cells
MESTIERI, Leticia Boldrin; GOMES-CORNÉLIO, Ana Lívia; RODRIGUES, Elisandra Márcia; SALLES, Loise Pedrosa; BOSSO-MARTELO, Roberta; GUERREIRO-TANOMARU, Juliane Maria; TANOMARU-FILHO, Mário.
  • MESTIERI, Leticia Boldrin; Universidade Estadual Paulista. Escola de Odontologia. Departamento de Odontologia Restauradora. Araraquara. BR
  • GOMES-CORNÉLIO, Ana Lívia; Universidade Estadual Paulista. Escola de Odontologia. Departamento de Odontologia Restauradora. Araraquara. BR
  • RODRIGUES, Elisandra Márcia; Universidade Estadual Paulista. Escola de Odontologia. Departamento de Odontologia Restauradora. Araraquara. BR
  • SALLES, Loise Pedrosa; Universidade Estadual Paulista. Escola de Odontologia. Departamento de Odontologia Restauradora. Araraquara. BR
  • BOSSO-MARTELO, Roberta; Universidade Estadual Paulista. Escola de Odontologia. Departamento de Odontologia Restauradora. Araraquara. BR
  • GUERREIRO-TANOMARU, Juliane Maria; Universidade Estadual Paulista. Escola de Odontologia. Departamento de Odontologia Restauradora. Araraquara. BR
  • TANOMARU-FILHO, Mário; Universidade Estadual Paulista. Escola de Odontologia. Departamento de Odontologia Restauradora. Araraquara. BR
J. appl. oral sci ; 23(5): 467-471, Sept.-Oct. 2015. graf
Artículo en Inglés | LILACS, BBO | ID: lil-764155
ABSTRACT
Mineral Trioxide Aggregate (MTA) is a calcium silicate-based material. New sealers have been developed based on calcium silicate as MTA Fillapex and MTA Plus.Objective The aim of this study was to evaluate biocompatibility and bioactivity of these two calcium silicate-based sealers in culture of human dental pulp cells (hDPCs).Material and Methods The cells were isolated from third molars extracted from a 16-year-old patient. Pulp tissue was sectioned into fragments with approximately 1 mm3 and kept in supplemented medium to obtain hDPCs adherent cultures. Cell characterization assays were performed to prove the osteogenic potential. The evaluated materials were MTA Plus (MTAP); MTA Fillapex (MTAF) and FillCanal (FC). Biocompatibility was evaluated with MTT and Neutral Red (NR) assays, after hDPCs exposure for 24 h to different dilutions of each sealer extract (12, 13 and 14). Unexposed cells were the positive control (CT). Bioactivity was assessed by alkaline phosphatase (ALP) enzymatic assay in cells exposed for one and three days to sealer extracts (14 dilution). All data were analyzed by ANOVA and Tukey post-test (p≤0.05%).Results MTT and NR results showed suitable cell viability rates for MTAP at all dilutions (90-135%). Cells exposed to MTAF and FC (12 and 14 dilutions) showed significant low viability rate when compared to CT in MTT. The NR results demonstrated cell viability for all materials tested. In MTAP group, the cells ALP activity was similar to CT in one and three days of exposure to the material. MTAF and FC groups demonstrated a decrease in ALP activity when compared to CT at both periods of cell exposure.Conclusions The hDPCs were suitable for the evaluation of new endodontic materialsin vitro. MTAP may be considered a promising material for endodontic treatments.
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Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Óxidos / Materiales de Obturación del Conducto Radicular / Materiales Biocompatibles / Supervivencia Celular / Silicatos / Compuestos de Calcio / Compuestos de Aluminio / Pulpa Dental Tipo de estudio: Estudios de evaluación Límite: Adolescente / Humanos Idioma: Inglés Revista: J. appl. oral sci Asunto de la revista: Odontología Año: 2015 Tipo del documento: Artículo País de afiliación: Brasil Institución/País de afiliación: Universidade Estadual Paulista/BR

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Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Óxidos / Materiales de Obturación del Conducto Radicular / Materiales Biocompatibles / Supervivencia Celular / Silicatos / Compuestos de Calcio / Compuestos de Aluminio / Pulpa Dental Tipo de estudio: Estudios de evaluación Límite: Adolescente / Humanos Idioma: Inglés Revista: J. appl. oral sci Asunto de la revista: Odontología Año: 2015 Tipo del documento: Artículo País de afiliación: Brasil Institución/País de afiliación: Universidade Estadual Paulista/BR