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Revista Brasileira de Odontologia
On-line version ISSN 1984-3747Print version ISSN 0034-7272
Abstract
VASCONCELLOS, Frederico Emygdio Cabral de et al. Dimensional stability of casts obtained with polyether and addition reaction silicone after disinfection with sodium hypochlorite and peracetic acid. Rev. Bras. Odontol. [online]. 2012, vol.69, n.1, pp. 55-60. ISSN 1984-3747.
This study aimed to compare the dimensional stability of polyether (P), addition silicone auto mixed (ASP) and addition silicone hand mixed (ASM) molds after disinfection with sodium hypochlorite 1% (HP), peracetic acid 0,2% (AP), and no disinfection. Mensurations cross posterior arch (CAP), cross-anterior arch (CAA), and antero-posterior on right (APD) and left sides (APE). Statistical analysis (Kruskall-Wallis) showed significant difference only in measure CAP: 1) between P (0,1203% ± 0,0442) and SAP (0,0350% ± 0,0158) disinfected with HP; 2) between P (0,1345% ± 0,1059) and SAP (0,0264% ± 0,0302) disinfected with AP; and 3) between SAM (0,1054% ± 0,0419) and SAP (0,0264% ± 0,0302). Disinfection with peracetic acid and sodium hypochlorite did not interfere negatively in the dimensional accuracy of the impressions tested in this study. Keywords: impression materials; disinfection; peracetic acid; sodium hypochlorite.
Keywords : impression materials; disinfection; peracetic acid; sodium hypochlorite.