Methods and apparatus for the detection of dental caries
US6230050A · kind A · utility
5Cited by
8References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 1999 |
| Grant date | May 8, 2001 |
| Priority date | — |
| Expiry date | Aug 5, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/4547
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is directed to a method and apparatus for the detection of dental caries. The method comprises the steps of placing at least one probe electrode in electrical contact with a surface of a patient's tooth, placing a second electrode in electrical contact with another part of the body of the patient, passing an alternating electrical current between said probe and second electrodes, and measuring the electrical impedance between the electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.