Dental and medical drill bits for cutting teeth or bone; Dental apparatus, namely, intra-oral light systems; Dental burrs; Dental burs; Dental chairs; Dental drill bits used in dental motors to enable dentists to cut or drill teeth; Dental drills; Dental examination chairs; Dental handpieces; Dental operating lamps; Drills for dental applications; Drills for dental use; Intra-oral dental light system