A process of whitening a tooth provided by the invention includes the steps of providing a delivery device for mechanical dispensing of a predetermined amount of a whitening composition to an applicator tip dispensing the amount of whitening composition to the applicator tip applying the amount of whitening composition disposed on the applicator tip to the tooth to be whitened and allowing the whitening composition to remain in contact with the tooth for a period of time sufficient to whiten the tooth. Optionally, the process further includes the step of exposing the whitening composition to light. A gum or candy for tooth bleaching is detailed along with methods of use. A device adapted to dispense an amount of a dental whitening composition optionally includes a light source for activating the whitener.