Composition and method for irrigation of a prepared dental root canal
AssigneeThe University of British Columbia
InventorMarkus Haapasalo
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Abstract
Composition and method for irrigating a prepared dental root canal. The composition is an aqueous composition of ethylenediaminetetraacetic acid, chlorhexidine or orally acceptable addition salt, and N-cetyl-N,N,N-trimethylammonium bromide, and is effective for simultaneous smear layer removal and disinfection.
Claims18
A method for removing smear layer and disinfecting in a root canal, comprising irrigating the root canal with a composition comprising:
- (a) ethylenediaminetetraacetic acid;
- (b) chlorhexidine or orally acceptable addition salt;
- (c) N-cetyl-N,N,N-trimethylammonium bromide;
- and
- (d) water, wherein the composition is in the form of an aqueous solution.
A method for removing smear layer and sterilizing an endodontic excavation or prepared tooth surface, comprising irrigating the endodontic excavation or prepared tooth surface with a composition comprising:
- (a) ethylenediaminetetraacetic acid;
- (b) chlorhexidine or orally acceptable addition salt;
- (c) N-cetyl-N,N,N-trimethylammonium bromide;
- and
- (d) water, wherein the composition is in the form of an aqueous solution.
Dependencies are inferred from the claim text.