A toothbrush for dispensing toothpaste from a main body or removable cartridge to one or more openings proximate bristles on the toothpaste head. The toothbrush includes a main body which is adapted to receive a disposable cartridge, a brush head, a neck, and a pumping system. The neck and an adapter connect the head to the main body. The pumping system comprises a spring-loaded pump system for forcing toothpaste stored in the housing or disposable cartridge through a fluid passage way to the head. A piercing tube or straw is used to pierce the tight plastic seal of the disposable cartridge.