METHODS FOR WHITENING TEETH BY APPLYING A WHITENING COMPOSITION AND DIRECTING LIGHT RADIATION

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专利权人:

The Procter and Gamble Company

发明人:

SAGEL PAUL ALBERT,SAGEL PAUL ALBERT

申请号：

PL11726287

公开号：

PL2582349T3

申请日:

2011.06.07

申请国别(地区):

PL

年份:

2017

代理人:

摘要：

In a tooth whitening method, a whitening composition is applied to at least one tooth. The whitening composition is maintained on the at least one tooth for a first time period. After the first time period, a light radiation is directed toward the at least one tooth for a second time period. The first time period has a duration greater than 50% of a total duration of the first and second time periods. The whitening composition is removed from the at least one tooth.

来源网站：

中国工程科技知识中心

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