Apical microfiltration between two filling cements: bioceramic and resinous in unirradicular premolars prepared with protaper and sealed with lateral condensation
DOI:
https://doi.org/10.59334/ROV.v2i31.329Keywords:
Microstraining, Endodontics, Thermal Gradient, Methylene BlueAbstract
Aim: To compare in vitro by the stereomiscroscope the lesser apical microfiltration in uniradicular premolars, between the cement based on Epoxy Resin and Bioceramic cement.
Method: The study was performed on 40 uniradicular dental pieces divided into two groups, the samples were prepared using the protaper system and the obturation was performed using the lateral condensation technique, the first group was sealed with Endosequence bioceramic cement and the second group with Cement based on AH-Plus epoxy resin, then sealed with nail varnish up to 3mm from the apical part, then the samples were placed in the incubator at 37ºC, waiting for the set time corresponding to each group according to the manufacturer’s instructions . The two groups of the present study were submitted to 750 cycles of thermocycling, to provide an environment similar to the oral cavity, then longitudinal cuts were made to the samples. The microfiltration was evaluated using the dye diffusion method, immersed in 2% methylene blue for 6 days, then the specimens were subjected to a vacuum pump. The teeth were cut longitudinally to be evaluated by the stereomicroscope. The statistical analysis was through T-Student and Chi-Square.
Results: Group A corresponds to Endosequence obtained a mean of 0,55mm and Group B corresponds to AH-Plus 1,20mm with an estimated significance of p = 0,013.
Conclusion: Both obturation cements have significant differences, therefore Endosequence has less apical microfiltration than AHPlus.
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Copyright (c) 2019 Cristina Katerine Fajardo Loaiza, Isadora Martini García, Paola Andrea Mena Silva, Raquel Esmeralda Guillén Guillén
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