IP Library Patent Application 11906955
Patent Application
App. No. 11/906,955

Electromagnetic radiation emitting toothbrush and transparent dentifrice system

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Quick Facts
Patent No.
US None
App. No.
11/906,955
Abstract

A cleaning and whitening system for teeth having an electromagnetic radiation emitting toothbrush and a dentifrice with a photosensitive agent is disclosed. The toothbrush has a cleaning surface, such as bristles. The toothbrush is also adapted to direct electromagnetic radiation toward the cleaning surface. The electromagnetic radiation may be monochromatic or polychromatic. Further, the electromagnetic radiation may be substantially free of ultraviolet radiation. Additionally, the electromagnetic radiation may consist essentially of wavelengths within a range of 300 to 750 nanometers. The photosensitive agent is dispersed throughout the dentifrice. The dentifrice transmits the electromagnetic radiation through a varying thickness disposed over a target surface during use of the system. As a result, a significant portion of the photosensitive agent reacts, resulting in whitening stains, removing and/or disclosing undesired substances, and/or foaming. The dentifrice may be clear and may have clear abrasive particles. A method for tuning the cleaning and whitening system for teeth includes formulating the dentifrice with photosensitive agents that react to a range of electromagnetic radiation and providing a toothbrush that emits that electromagnetic radiation range. Another method of tuning the cleaning and whitening system includes designing a toothbrush that emits a range of electromagnetic radiation and formulating a dentifrice with photosensitive agents that react to the electromagnetic radiation range.

Claims (21)

1 . A method of providing a tuned whitening and cleaning system for teeth, the system comprising a dentifrice for use with an electromagnetic radiation emitting toothbrush, the method comprising:

formulating the dentifrice, wherein the dentifrice comprises at least one photosensitive agent;

determining wide-range reactive electromagnetic radiation wavelengths that cause the photosensitive agents to react; and

designing the dentifrice for use with an electromagnetic radiation emitting toothbrush that emits at least a portion of the wide-range reactive electromagnetic radiation wavelengths.

2 . The method of claim 1 , wherein the portion of the wide-range reactive electromagnetic radiation wavelengths consist essentially of non-ultraviolet radiation.

3 . The method of claim 2 , wherein the portion of the wide-range reactive electromagnetic radiation wavelengths corresponds to polychromatic electromagnetic radiation.

4 . The method of claim 2 , wherein the portion of the wide-range reactive electromagnetic radiation wavelengths corresponds to monochromatic electromagnetic radiation.

5 . The method of claim 2 , wherein:

the step of determining wide-range reactive electromagnetic radiation wavelengths further comprises a step of determining narrow-range reactive electromagnetic radiation wavelengths, wherein the at least one photosensitive agent has a relatively high reaction rate when exposed to the narrow-range reactive electromagnetic radiation wavelengths compared to an average reaction rate when the photosensitive agent is exposed to the wide-range reactive electromagnetic radiation wavelengths; and

the dentifrice is designed for use with an electromagnetic radiation emitting toothbrush that emits at least a portion of the narrow-range reactive electromagnetic radiation wavelengths.

6 . The method of claim 5 , wherein the at least a portion of narrow-range reactive electromagnetic radiation wavelengths consists essentially of wavelengths within a range of about 300 to about 750 nanometers.

7 . The method of claim 5 , wherein the at least a portion of narrow-range reactive electromagnetic radiation wavelengths comprises multiple electromagnetic radiation wavelengths.

8 . The method of claim 5 , wherein the at least a portion of narrow-range reactive electromagnetic radiation wavelengths comprises a wavelength corresponding to monochromatic electromagnetic radiation.

9 . The method of claim 1 , wherein the portion of the wide-range reactive electromagnetic radiation wavelengths consists essentially of wavelengths within a range of about 300 to about 750 nanometers.

10 . A method of providing a tuned whitening and cleaning system for teeth, the system comprising a dentifrice for use with an electromagnetic radiation emitting toothbrush, the method comprising:

determining one or more selected wavelengths at which an electromagnetic radiation emitting toothbrush radiates; and

using photosensitive agents to formulate a dentifrice such that the dentifrice reacts when irradiated with the one or more selected wavelengths.

11 . The method of claim 10 , wherein the one or more selected wavelengths correspond to non-ultraviolet radiation.

12 . The method of claim 10 , wherein the one or more selected wavelengths correspond to wavelengths between about 300 and about 750 nanometers.

13 . The method of claim 10 , wherein the one or more selected wavelengths correspond to monochromatic electromagnetic radiation.

14 . The method of claim 10 , wherein the one or more selected wavelengths correspond to polychromatic electromagnetic radiation.

Assignments (5)
RELEASE OF SECURITY INTEREST Recorded May 9, 2012
From: HENRY SCHEIN, INC.
To: BIOLASE TECHNOLOGY, INC.; BL ACQUISTION CORP.; BL ACQUISITION II INC.
Reel/Frame 028184/0218 →
SECURITY AGREEMENT PAYOFF Recorded May 16, 2011
From: MIDCAP FINANCIAL, LLC, AGENT AND AS LENDER
To: BIOLASE TECHNOLOGY, INC.
Reel/Frame 026285/0666 →
SECURITY AGREEMENT Recorded Sep 30, 2010
From: BIOLASE TECHNOLOGY, INC.; BL ACQUISITION CORP.; BL ACQUISITION II INC.
To: HENRY SCHEIN, INC.
Reel/Frame 025066/0488 →
SECURITY AGREEMENT Recorded Aug 28, 2010
From: BIOLASE TECHNOLOGY, INC.
To: MIDCAP FINANCIAL, LLC, AS AGENT AND AS A LENDER
Reel/Frame 024900/0550 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 4, 2007
From: RIZOIU, IOANA M.; KIMMEL, ANDREW I.
To: BIOLASE TECHNOLOGY, INC.
Reel/Frame 019981/0737 →