Patent ID: 7165907
Filing Date: 2007-01-23
Classification: A46B

Abstract:
1. A toothbrush, comprising: a chewable shell, the chewable shell being formed from a resilient material and having an unstressed shape, the chewable shell being configured to compress upon itself in response to application of an external force, and return to the unstressed shape upon removal of the external force; a plurality of bristles attached to the chewable shell; a cavity formed within the chewable shell; a substance contained within the cavity; and a plurality of regions of weakness formed on the periphery of the chewable shell, the plurality of regions of weakness operably configured to prevent leakage of the substance from inside the chewable shell before application of the external force, and configured to return to form a plurality of apertures through the chewable shell upon application of the external force to permit the substance to be released from within the cavity.