Evaluation of the Interaction between Sodium Hypochlorite and Chlorhexidine Gluconate and its Effect on Root Dentin

Tung B. Bui, John (Craig) Baumgartner, John C. Mitchell

Research output: Contribution to journalArticle

74 Citations (Scopus)

Abstract

The combination of sodium hypochlorite (NaOCl) and chlorhexidine (CHX) forms a precipitate. The aim of this study was to evaluate the effect of irrigating root canals with a combination of NaOCl and CHX on root dentin and dentinal tubules by using the environmental scanning electron microscope (ESEM) and a computer program (Photoshop CS2). Forty-four extracted single-rooted human teeth were instrumented and irrigated with both NaOCl and CHX to produce a precipitate. Root canal surfaces were analyzed with the ESEM. The amount of remaining debris and number of patent tubules were determined. There were no significant differences in remaining debris between the negative control group and the experimental groups. There were significantly fewer patent tubules in the experimental groups when compared with the negative control group. The NaOCl/CHX precipitate tends to occlude the dentinal tubules. Until this precipitate is studied further, caution should be exercised when irrigating with NaOCl and CHX.

Original languageEnglish (US)
Pages (from-to)181-185
Number of pages5
JournalJournal of Endodontics
Volume34
Issue number2
DOIs
StatePublished - Feb 2008

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Sodium Hypochlorite
Chlorhexidine
Dentin
Dental Pulp Cavity
Electrons
Control Groups
Tooth
Software
chlorhexidine gluconate
gluconic acid

Keywords

  • Chlorhexidine
  • interaction of irrigants
  • precipitate
  • sodium hypochlorite

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Evaluation of the Interaction between Sodium Hypochlorite and Chlorhexidine Gluconate and its Effect on Root Dentin. / Bui, Tung B.; Baumgartner, John (Craig); Mitchell, John C.

In: Journal of Endodontics, Vol. 34, No. 2, 02.2008, p. 181-185.

Research output: Contribution to journalArticle

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