Patent ID: 8215954

Claim:
A method for effecting an oral treatment, comprising: applying a substance to teeth or gums of a user's mouth; providing a mouthpiece having a curvature, a flexible circuit board within confines of the mouthpiece and curved to follow the curvature of the mouthpiece, and a plurality of arrays of lamps electrically connected to the flexible circuit board, the arrays being interconnected and spaced from each other by a flexible strip at a generally central location of each array and the circuit board is folded or flexed at the central strip such that respective ones of lamps in a first of said arrays face respective ones of lamps in a second of said arrays, the lamps being configured to emit electromagnetic radiation when activated; inserting the mouthpiece into the user's mouth after the substance has been applied to the teeth or gums; and activating the lamps to emit electromagnetic radiation causing or increasing a reaction between the substance applied to the teeth or gums and the teeth or gums, said lamps directing said electromagnetic radiation on facial and lingual surfaces of said teeth or gums.