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US 6,743,016 B1Granted
Dental apparatus
AssigneeCurozone Ireland Limited
InventorsEdward Lynch, Jurgen H. Schemmer, Aylin Baysan, Gregory R. Holland, Tom Weisel, Roger Mc Pherson
Life of this patent
Estimating the term…
Abstract
Apparatus for the treatment of dental caries includes a source of oxidizing gas and a handpiece for delivering the gas 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. The cup includes a resilient edge for sealably the edge for engaging the tooth around the selected area to prevent escape of a gas therepast.
Claims10
Dental apparatus comprising:
- a source of ozone gas;
- a handpiece for delivering the gas to a tooth;
- a cup attached to said handpiece for receiving the gas, said cup including a sidewall for directing the gas onto a selected area of the tooth;
- and
- an aspiration pump and an aspiration line connected to said handpiece for enabling circulation of the gas into and out of the cup for a period of time sufficient to penetrate tissue and kill substantially all of the micro-organisms within a carious lesion.
2 more elements
Dental apparatus comprising:
- a source of oxidizing gas;
- a handpiece for delivering the gas to a tooth;
- a cup attached to said handpiece for receiving the gas, said cup including a sidewall for directing the gas onto a selected area of the tooth;
- an aspiration pump and an aspiration line connected to said handpiece for enabling circulation of the gas into and out of the cup for a period of time sufficient to penetrate tissue and kill substantially all of the micro-organisms within a carious lesion;
- and
- means for sealably engaging the sidewall around the selected area, said means comprising a sealant.
3 more elements
Dental apparatus comprising:
- a source of ozone gas;
- a handpiece for delivering the gas to a tooth;
- a cup attached to said handpiece for receiving the gas, said cup including a sidewall for directing the gas onto a selected area of the tooth;
- an aspiration pump and an aspiration line connected to said handpiece for enabling circulation of the gas into and out of the cup for a period of time sufficient to penetrate tissue and kill substantially all of the micro-organisms within a carious lesion;
- an ozone pump for enabling circulation of the gas into and out of the cup;
- and
- a source of reductant in fluid communication with the cup.
4 more elements
Dependencies are inferred from the claim text.