Irrigation

Volume

• The volume of the irrigant has a greater potential to significantly reduce bacteria colonies in root canal.
• Baker et al. 1975, Brown and Doran 1975, Cunningham 1982, Cunningham et al.1982,siqueira at al.2000, Sedgley et al.2005.

• Chlorhexidine (CHX)

Chlorhexidine (CHX)

• It possesses a broad-spectrum antimicrobial action and a relative absence of toxicity.
• CHX lacks the tissue-dissolving ability.
• It penetrates the cell wall and attacks the bacterial cytoplasmic or inner membrane or the yeast plasma membrane.
• Concentrations between 0.2% and 2%.
• Its activity is pH dependent and is greatly reduced in the presence of organic matter.