[특허]Light-activated tooth whitening method

Light-activated tooth whitening method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61Q-011/00 A61K-008/22 A61K-008/38
출원번호	US-0179736 (2005-07-12)
등록번호	US-8562955 (2013-10-22)
발명자 / 주소	Montgomery, Robert Eric Nathoo, Salim A.
출원인 / 주소	Discus Dental, LLC
인용정보	피인용 횟수 : 0 인용 특허 : 90

초록

A method of whitening teeth comprises the steps of contacting a stained tooth surface with an organic metal-ligand complex and an oxidizing compound, and exposing the stained tooth surface to actinic radiation.

대표청구항 ▼

1. A method of whitening teeth comprising the steps of: contacting a stained tooth surface with a transparent composition comprising a metal-ligand complex and an oxidizing compound; exposing the stained tooth surface to actinic radiation while said transparent composition is in contact with the tooth surface to effect tooth whitening; and thereafter removing said transparent composition from the tooth surface, wherein said metal-ligand complex comprises an oxalate, gluconate, or bis-phosphonate ligand. 2. The method of claim 1, wherein the metal-ligand complex comprises iron, copper, or manganese. 3. The method of claim 1, wherein the actinic radiation has a wavelength between 350 and 700 nanometers. 4. The method of claim 1, wherein the actinic radiation has a wavelength between 350 and 500 nanometers. 5. The method of claim 1, wherein the actinic radiation has a wavelength between 380 and 505 nanometer. 6. The method of claim 1, wherein the actinic radiation has a wavelength between 400 and 500 nanometers. 7. The method of claim 1, wherein the oxidizing compound comprises hydrogen peroxide; an alkali metal percarbonate; carbamide peroxide; or a peroxyacid. 8. The method of claim 1, wherein the actinic energy has a power density between 10 and 200 mW/cm2 at the stained tooth surface. 9. The method of claim 1, wherein the stained tooth surface is exposed to actinic radiation for a period of time between 10 and 90 minutes. 10. The method of claim 1, wherein the metal-ligand complex and oxidizing compound are water soluble. 11. A method of whitening teeth comprising the steps of: contacting a stained tooth surface with a transparent composition comprising a metal-ligand complex and an oxidizing compound; exposing the stained tooth surface to actinic radiation while said transparent composition is in contact with the tooth surface to effect tooth whitening; and thereafter removing said transparent composition from the tooth surface, wherein the metal-ligand complex is formed between 1-hydroxyethylidene-1,1-diphosphonic acid and ferrous ions. 12. The method of claim 11 wherein said actinic radiation comprises a continuous, interrupted continuous, pulsed, or a combination of continuous, interrupted continuous and pulse radiation. 13. The method of claim 11, wherein the stained tooth surface is exposed to actinic radiation for a period of time between 10 and 90 minutes. 14. The method of claim 11, wherein the actinic radiation has a power density between 10 and 200 mW/cm at the stained tooth surface. 15. The method of claim 11, wherein the actinic radiation has a wavelength between 350 and 700 nanometers. 16. The method of claim 11, wherein the actinic radiation has a wavelength between 350 and 500 nanometers.

이 특허에 인용된 특허 (90)

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Montgomery Robert Eric, Tooth bleaching compositions.
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Montgomery, Robert Eric, Tooth bleaching compositions.
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R. Eric Montgomery, Tooth bleaching compositions.
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Montgomery R. Eric, Tooth whitening compositions.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Light-activated tooth whitening method 원문보기

초록

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Light-activated tooth whitening method 원문보기

초록

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