Invention Grant
US08763189B2 Oral hygiene implement 有权
口腔卫生用具

Oral hygiene implement
Abstract:
An oral hygiene implement is provided. The oral hygiene implement includes a handle; a head including a plurality of contact elements; a neck disposed between the handle and the head; an indication element; and an electromagnetic energy output source. The electromagnetic energy is directed from the output source to the indication element such that a Total Visible Projected Angle (φT) of the oral hygiene implement is greater than about 300 degrees.
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