PRODUCTS AND METHODS THAT SIMULATE CHANGES IN TOOTH COLOR
摘要
A reflective device is provided. The reflective device includes a reflective layer and a first region which reflects light to form an image that simulates a change in tooth color of at least a portion of a viewer's tooth.
申请公布号
WO0214910(A2)
申请公布日期
2002.02.21
申请号
WO2001US24558
申请日期
2001.08.03
申请人
THE PROCTER & GAMBLE COMPANY
发明人
SAGEL, PAUL, ALBERT;LAPUJADE, PHILIPPE, G.;JEFFERS, MELISSA, ELLEN
