Tooth whitening device and method of using same
US6416319B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 19, 1999 |
| Grant date | Jul 9, 2002 |
| Priority date | — |
| Expiry date | Jan 19, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/81
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a device for tooth whitening which has a light source, at least one optical output, a projection means for holding and positioning said optical output outside of a patient's mouth in a manner to so as to provide approximately simultaneous and uniform illumination of a patient's front teeth by said optical output; and a connection means for connecting said light source to said optical output. Also provided are methods of using the tooth whitening device with a tooth-whitening composition containing a transparent carrier compound and a transparent oxidizing compound which when in contact with the surface of a stained tooth and exposed to actinic light is activated to facilitate tooth whitening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.