IN VITRO EVALUATION OF TOOTH DISCOLORATION INDUCED BY BIOCERAMIC ENDODONTIC CEMENTS.
DOI:
https://doi.org/10.53612/recisatec.v2i9.178Keywords:
Silicate cement, Endodontics, Tooth discolorationAbstract
The aim of this study was to analyze the in vitro dental discoloration potential induced by Bio-Csealer bioceramic endodontic cement (Angelus, Londrina, PR, Brazil) compared to MTA Fillapex (Angelus, Londrina, PR, Brazil) and Grey Portland Cement (Votoran, Votorantim, SP, Brazil) in the endodontic cavity of "ex vivo" teeth after 7, 30, 60 and 90 days. The collected teeth were distributed in three groups: two experimental groups and a control group (n = 10). After chemical-mechanical preparation and removal of smearlayer, the entire pulp chamber was filled with the restorative material (Cavit, 3M) and the canals were filled with the experimental cement through the apical access. The material was compacted to a pre-measured length of 6mm from the cemento-enamel junction to the apical extension. The color variation (ΔE) was determined by a digital spectrophotometer. As a result it was observed that discoloration was more severe in the initial periods and decreased by the end of the experiment. Portland cement was the product with the highest potential for dentin discoloration, with a significant difference compared to MTA Fillapex and Bio-Csealer at 30 days (p<0.05). Although Bio-Csealer presented the least variation in color at all tested times, there was no significant difference in relation to MTA Fillapex. In the 90-day interval the color variation was imperceptible for MTA Fillapex and Bio-CSealer.We conclude that MTA Fillapex and Bio-CSealer cements did not cause discoloration over the period evaluated.
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