Irrigation

BDA

BDA

• Bis-dequalinium acetate (BDA)
• Low toxicity
• Lubrication action
• Disinfecting ability
• Low surface tension
• Chelating properties.
• Low incidence of post-treatment pain.
• Bis-dequalinium acetate is recommended as an excellent substitute for sodium hypochlorite in those patients who are allergic to the latter.

• Kaufman 1981

BDA

• Goldberg et al (1986), rated BDA as superior to sodium hypochlorite in débriding the apical third.
• When marketed as Solvidont, the University of Malaysia reported a remarkable decrease in postoperative pain and swelling when BDA was used.
• They attributed these results to the chelation properties of BDA in removing the smear layer coated with bacteria and contaminants as well as the surfactant properties that allow BDA “to penetrate into areas inaccessible to instruments