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US 7,581,952 B2Granted
Dental apparatus and method using ozone and an aqueous medium
AssigneeCurozone Ireland Limited
InventorsEdward Lynch, Jurgen H. Schemmer, Aylin Baysan, Gregory R. Holland, Tom Weisel, Roger Mc Pherson
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Abstract
Apparatus and method for the treatment of dental caries includes a source of oxidizing gas, an aqueous medium and a handpiece for delivering the gas and aqueous medium to a tooth. A cup attached to the handpiece is provided for receiving the gas and exposing a selected area of the tooth to the gas and aqueous medium. The cup includes a resilient edge for sealably the edge for engaging the tooth around the selected area to prevent escape of gas and aqueous medium therepast.
Claims4
A method of treating dental caries, the method comprising:
- providing a source for ozone gas;
- providing a handpiece for delivering the gas to a tooth;
- providing a cup attached to said handpiece for receiving the gas;
- providing a source of aqueous solution in fluid communication with the cup said aqueous solution comprising a reductant aqueous solution;
- providing a reductant pump for circulating the reductant solution through the cup and into an aspiration line;
- and
- circulating the ozone and an the aqueous medium into and out of the cup and onto carious tissue for a time sufficient to kill substantially all of the micro-organisms within the carious tissue, without dissolving the carious tissue and without removal of the canons tissue following the ozone treatment.
4 more elements
Dependencies are inferred from the claim text.