Prithwiraj Maitra,Suman K. Chopra,Sayed Ibrahim,Eugene Pashkovski,Michael Prencipe
申请号：
US11168681
公开号：
US09072672B2
申请日:
2005.06.28
申请国别(地区):
US
年份:
2015
代理人:
摘要：
Compositions for altering the color of teeth, including tooth-coating compositions comprising a colorant and an acrylate polymer. Colorants among those useful herein include whiteness-imparting particulate materials, such as hydroxyapatite.
