Abstract: An oral hygiene apparatus for attachment to a shower head assembly for cleansing the teeth and the oral cavity with a jet stream of water while showering. The apparatus housing is in the form of a hollow valve body which interconnects the shower inlet pipe with the shower head. A hose leading from a needle valve regulated orifice in the valve body connects to a nozzle applicator. The needle valve controls the flow of water into the orifice, through the hose and out the nozzle. The nozzle applicator contains a reservoir for holding a dentifrice, fluoride preparation, breath freshener and the like.