Dental instruments for use in oral, joint, skin, nerve and muscle therapies and treatments; Dental instruments, namely, oral irrigators, dental devices used in root canal procedures, handpieces, electromagnetic energy emitting devices for dental and medical use, lasers for dental and medical use, medical apparatus, and parts, components, accessories and replacement parts therefore; Electronic aesthetic skin treatment devices using light emitting diodes, namely, infrared, red, orange, yellow, green, and blue wavelengths for generating light rays; Electronic light therapy apparatus for the skin; Electronic stimulator for oral, joint, skin, nerve and muscle tissues; Lasers for medical purposes; Lasers for medical use; Lasers for surgical and medical use; Lasers for the cosmetic treatment of the face and skin; Light emitting devices, namely, lamps and LED devices for treatment of a variety of skin conditions; Light emitting diode (LED) apparatus for lighting, incorporated into medical instruments; Medical and surgical laparoscopes; Medical apparatus and instruments for use in surgery