Irrigation


A potential weakness of CHX in the root canal may be its susceptibility to the presence of organic matter



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A potential weakness of CHX in the root canal may be its susceptibility to the presence of organic matter.

  • A potential weakness of CHX in the root canal may be its susceptibility to the presence of organic matter.
  • (Russell AD & Day MJ 1993)
  • In an in vitro study, the effect of CHX is showed to be reduced, although not prevented, by the presence of dentine. Haapasalo et al. (2000)
  • CHX was strongly inhibited by dentine matrix (the organic component of dentine).
  • Portenier et al. (2002)
  • CHX

H2O2

H2O2

  • It is a clear, colorless liquid.
  • Used in a variety of concentrations, 1% - 30%.
  • H2O2 is active against viruses, bacteria, and yeasts.
  • It produces hydroxyl free radicals (•OH), which attack several cell components such as proteins and DNA.
  • In endodontics, H2O2 has long been used because of its antimicrobial and cleansing properties.
  • It has been particularly popular in cleaning the pulp chamber from blood and tissue remnants, but it has also been used in canal irrigation.

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