Dental, medical and surgical instruments and apparatus; including hand drill, electrosurgical cutting and coagulating instruments, forceps, laryngoscopes, disposable diagnostic penlights, eye burrs, skin graft expanders, cauteries, nerve locators, stimulators, blood pressure measuring devices, oxygen change measuring instruments, orthopaedic arthroscopy instruments and equipment, bioabsorbable composite and non-composite materials for implantation, all the foregoing being in the nature of dental or medical instruments