10 FULL LINE OF HAND-HELD AND ELECTRICAL DENTAL INSTRUMENTS AND APPARATUS, NAMELY, ELECTRO-SURGICAL APPARATUS, FILES, DRILLS, ULTRASONIC SCALERS, INSTRUMENT BASKETS, BEAKERS, DENTAL PINS AND POST, ULTRASONIC CLEANING SYSTEMS PRIMARILY COMPRISING OF HOUSING CASES, INSTRUMENTS BASKETS, BEAKERS, ULTRASONIC BATHS, SOAKING TRAYS, AND TIMERS FOR CLEANING DENTAL APPARATUS AND EQUIPMENT, DENTAL MODELS AND DIES, DENTAL TRAYS, DENTAL SAW, DENTURE HOLDING MATERIALS