Patent ID: 6364665
Filing Date: 2002-04-02
Classification: A61C

Abstract:
A dental whitening kit for applying a tooth whitening composition to a user's teeth, said kit comprising:a mouthpiece having a cavity for receiving the user's teeth, said cavity containing a putty for forming a dental impression therein; and a separate and distinct thin sheet composed of a heat and pressure deformable plastic; said sheet being heated to a temperature and for a duration such that said sheet is sufficiently pliable to form a dental impression therein, said heated sheet being engaged with said mouthpiece and disposed over said cavity such that the user bites into said sheet and said putty contained in said cavity to form in said sheet a tray having an impression of the user's teeth, said mouthpiece and said tray being disengaged from the user's teeth and said tray being separated from said cavity of said mouthpiece and receiving the tooth whitening composition, whereby the user re-engages said tray with the user's teeth to apply the whitening composition to the teeth.