Document Detail

Efficacy of sodium hypochlorite, ethylenediaminetetraacetic acid, citric acid and phosphoric acid in calcium hydroxide removal from the root canal: a microscopic cleanliness evaluation.
MedLine Citation:
PMID:  22099858     Owner:  NLM     Status:  In-Data-Review    
Rooted molars were subjected to standardized canal instrumentation to a master apical file (MAF). The samples were dressed with Ca(OH)(2), and after 7 days, teeth were reopened and Ca(OH)(2) medication was removed by 1 of 4 different experimental procedures: 2.5% sodium hypochlorite (NaOCl) (n = 10); 17% EDTA-T (n = 10); 10% citric acid (n = 10); or 37% phosphoric acid (n = 10). This was followed by reinstrumentation with MAF plus 15 mL saline solution. The roots were prepared for scanning electron microscopic analysis of the cervical, middle, and apical thirds. Statistical analysis was performed with the Kruskal-Wallis test. EDTA-T and phosphoric acid gave the best results in the apical third, with significant statistical differences compared with other groups. NaOCl gave the worst results. Irrigation with 17% EDTA-T and 37% phosphoric acid is more effective than sodium hypochlorite and citric acid in the removal of calcium hydroxide from the apical third.
Juliana Melo da Silva; Amanda Silveira; Elizandra Santos; Laiìs Prado; Oscar F Pessoa
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics     Volume:  112     ISSN:  1528-395X     ISO Abbreviation:  Oral Surg Oral Med Oral Pathol Oral Radiol Endod     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2011-11-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9508562     Medline TA:  Oral Surg Oral Med Oral Pathol Oral Radiol Endod     Country:  United States    
Other Details:
Languages:  eng     Pagination:  820-4     Citation Subset:  D; IM    
Copyright Information:
Copyright © 2011 Mosby, Inc. All rights reserved.
Department of Endodontics, Federal University of Pará, Belém, Brazil.
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