Effect of three final irrigation protocols on the smear layer removal from the middle third of endodontically treated teeth: a qualitative analysis

Admin Dental Press

Edition V07N02 | Year 2017 | Editorial Original Article | Pages 72 to 77

Jean Soares Miranda, Érico De Almeida Marques, Fabiano Vieira De Landa, Anamaria Pessôa Pereira Leite, Fabíola Pessôa Pereira Leite

Objective: this study evaluated by scanning electron microscopy (SEM) the sealer capacity of dentinal tubules of teeth treated endodontically using different chelating solutions. Materials and Methods: The root canals were irrigated with 2.5% sodium hypochlorite (NaOCl), replaced every instrument and filled. The auxiliary solutions used with a passive ultrasonic irrigation (PUI) for 1 minute were: 70% ethanol (control); 10% citric acid; 17% EDTA; and 0,2% chitosan. The roots were split lengthwise into two parts and samples were taken for analysis in a scanning electron microscope to obtain photomicrographs for the qualitative assessment. Results: 17% EDTA solution and 10% citric acid removed the smear layer similar to each other. The 0.2% chitosan solution removed the smear layer partially, with lower efficacy than 17% EDTA solution and 10% citric acid. Conclusion: There were a greater removal of smear layer with use of 17% EDTA, followed by 10% citric acid, 0,2% chitosan and 70% alcohol.

Chitosan, Endodontics, Tooth, nonvital, Chelating agents,

Miranda JS, Marques EA, Landa FV, Leite APP, Leite FPP. Effect of three final irrigation protocols on the smear layer removal from the middle third of endodontically treated teeth: a qualitative analysis. Dental Press Endod. 2017 May-Aug;7(2):72-7. DOI: https://doi.org/10.14436/2358-2545.7.2.072-077.oar

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