POWER ELECTRIC TOOTHBRUSH; ELECTRIC TOOTHBRUSHES, AND THEIR STRUCTURAL AND REPLACEMENT PARTS; REPLACEABLE TOOTHBRUSH HEADS; APPARATUS FOR CLEANING TEETH AND GUMS, namely, TOOTHBRUSHES; APPARATUS FOR CLEANING TEETH AND GUMS USING WATER OR AIR AND WATER FOR HOME USE; TONGUE CLEANING INSTRUMENTS IN THE NATURE OF BRUSHES FOR PERSONAL CARE