Penetration of sodium hypochlorite modified with surfactants into root canal dentin

Flavio Palazzi, Andrea Blasi, Zahed Mohammadi, Massimo Del Fabbro, Carlos Estrela

Research output: Contribution to journalArticlepeer-review

Abstract

The aim of this study was to evaluate the effect of concentration, exposure time and temperature of sodium hypochlorite (NaOCl) added with surfactants on its penetration into dentinal tubules. Sixty-five extracted human permanent maxillary anterior teeth with single canals were prepared by ProTaper SX hand-operated instruments. The teeth were then sectioned perpendicular to the long axis. The crowns and apical thirds of all the teeth were removed. The remaining roots were processed into 4-mm-long blocks and stained overnight in crystal violet. One hundred and thirty stained blocks were further split into halves and treated by nine different types of NaOCl-based solutions. Three solutions were added with surfactants (Hypoclean, H6, Chlor-Xtra) and the others were regular hypochlorites at increasing concentrations (1%, 2%, 4%, 5.25%,

Original languageEnglish
Pages (from-to)208-216
Number of pages9
JournalBrazilian Dental Journal
Volume27
Issue number2
DOIs
Publication statusPublished - Mar 1 2016

Keywords

  • Penetration
  • Sodium hypochlorite
  • Surfactant
  • Temperature
  • Time

ASJC Scopus subject areas

  • Dentistry(all)

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