Using Low Intensity Light Energy To Effect/Alter Tooth Stains

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专利权人:

Colgate-Palmolive Company

发明人:

Patrik JOHANSSON,Stacey LAVENDER,Scott DEMAREST,Richard ADAMS,Thomas BOYD,Madhusudan PATEL

申请号：

US16819485

公开号：

US20200215349A1

申请日:

2020.03.16

申请国别(地区):

US

年份:

2020

代理人:

摘要：

The present invention is directed to a new methodology for whitening teeth that provided increased whitening efficiency without increased health risk to the user. The methodology includes irradiating a tooth at a wavelength in the visible spectrum at a reduced irradiation density.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/