发明申请
US20110256509A1 LIGHT-BASED TOOTHBRUSH 审中-公开
基于光的牙刷

LIGHT-BASED TOOTHBRUSH
摘要:
Described herein are light-based devices for use in the detection of plaque or delivery of a whitening effect; and, inter alia, toothpaste formulations containing ultraviolet brighteners that provide a whitening or bleaching effect when exposed to ultraviolet radiation.
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