Additional irrigants include EDTA and Chlorhexidine
EDTA,Â Ethylenediaminetetraacetic acid a polyamino carboxylic acid. It is a mild acid andÂ aÂ powerfulÂ chelating agent, it isÂ used to remove the smear layer.
Chlorhexidine is effective on both Gram-psoitive and Gram-negative bacteria. It has batericidal and bacteriostatic mechanisms of action and it is substantive.
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