Carlos Roberto Emerenciano Bueno, Francine Benetti, Marina Tolomei Sandoval Cury, Ana Maria Veiga Vasques, Leopoldo Cosme-Silva, Índia Olinta de Azevedo Queiroz, Ana Cláudia Rodrigues da Silva, Rogério de Castilho Jacinto, Luciano Tavares Angelo Cintra, Eloi Dezan-Junior
The purpose of this study was to evaluate, in vivo, the biocompatibility, biomineralization, collagen maturation and the in vitro antibacterial and cytotoxicity of resinous endodontic sealers containing calcium hydroxide. Forty rats were implanted with polyethylene tubes containing Sealer 26, Sealer Plus, Dia-ProSeal and an empty tube, examined after 7, 15, 30 and 60 days. Antimicrobial activity was evaluated against Enterococcus faecalis by Agar Diffusion Test (ADT) through inhibition zones. For cytotoxicity, undifferentiated pulp cells (OD-21) were cultured and assessed using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, exposed to dilution of serial extracts at 6, 24, 48h...
2023: PloS One