Dental and medical drill bits for cutting teeth or bone; dental burrs; dental drill bits used in dental motors to enable dentists to cut or drill teeth; dental drills; dental instruments for use in preparing osteotomy; dental instruments, namely, burrs and drilling bits; drills for dental applications; drills for dental use; surgical apparatus and instruments for medical, dental or veterinary use; surgical devices and instruments; surgical instruments and apparatus; surgical instruments for use in preparing osteotomy; surgical instruments, namely, burrs and drilling bits