10 Dental rotary instruments with diamond abrasives, self-threading screw to be threaded into a dental structure (dentin) for support for broken or undermined teeth, dental curing light, dental pluggers, dental spreaders, dental files, retainers to clamp dental dams within a patient's mouth; dental apparatus used to remove liquid from a patient's mouth, to catch and retain solid debris, to isolate operative area, and to protect a patient's tongue during dental operations; endodontic anatomical post and core system comprised of drills, dental posts, fillers, self-threading pins, hand drivers, bending tools, drills, jigs, matrix bands, cement, and core formers; electrosurgical unit for performance of dental surgery, precision cutting apparatus with diamond-plated saw blade used to section stone for fabrication of dental prosthesis; dental post and core system for use in anterior teeth, namely, posts, drills, jigs and locators; system for converting a dental master model into removable dies comprising pins, pin sleeves, index pins, index pin sleeves, articulating pins, drills, reamers, sanders, air blow guns, sleeve holders, and drilling machines; attachments for partial dentures, dental posts, dental pins, dental taps, wax for relief of irritation caused by orthodontic appliances; endodontic devices and tools, namely, hand wrenches and storing cards for dental drills and dental pins; dental scaler inserts; receptacles for mixing plaster, investment material, and impression material for dental arts; saws for dental models and replacement blades therefor; dental instruments and apparatus, namely, syringes, disposable cannules and kits containing syringes disposable cannules and heaters; dental self-threading pins and kits therefor containing a number of pins, drills and hand driver; components for a non-parallel, horizontal, pin splinting technique for splinting teeth, comprising positioning pins, socket wrenches, acrylic headed screws, internally threaded sleeves with positioning pins, tempered steel threaded screws and positioning pins for pouring master cast; apparatus for dispensing dental preparations, namely, a dispenser and cartridges therefor and static mixers and miters tips thererfor; dental dams, endodontic instruments employed to determine the exact location of the apical foramen by measuring the electrical resistance of dental tissue, dental drilling burrs and bits, dental electric saws and the blades therefor, self threading screw with a latching wrench to be threaded into a dental structure (dentin) for support for broken or undermined teeth; full line of hand-held and electrical dental instruments and apparatus, namely, elector-surgical apparatus, files, drills, and ultrasonic scalers; instrument baskets, beakers, dental pins and posts; ultrasonic cleaning systems primarily comprising housing cases, instrument baskets, beakers, ultrasonic baths, soaking trays, and timers for cleaning dental apparatus and equipment, dental models and dies, dental trays, dental saws, denture holding materials; endodontic post system comprised primarily of dental posts, drills, cements, core build-up material and core formers; denture base resin material for the formation of prosthetics; protective container for transporting and storing dental models, dies, and completed restorations; endodontic applicators for obturating root canals; semi-precision attachments for partial dentures and kits therefor comprising coil spring housings, attachments, processing plugs and special hand wrenches, pins designed for use in dental restorations in which dentin bonding resins are applied and kits therefor comprising long pins, short pins and drills; flexible dental retaining splint which can be adjusted to desired shapes for retention and reinforcement of dentition and structural parts therefor, high modular weight polymethyl-methacrylate pigmented resins for dental purposes, endodontic stabilizer for crown and bridge dental prosthetics and kitsused in connection therewith comprising drills, posts, pins, and jigs; endodontic cutting instruments; denture forming system, namely, a duplicating unit, a polymerization unit, a vacuum control unit, a vacuum flask, a vacuum pump, and dental acrylic material, and parts therefor particularly adapted for use in making dentures; die trays, ejector bases, articulation keepers, locking arms, paralleling guide instrument for making parallel channels in teeth; sterilizers for dental purposes; sterilizer accessories for dental purposes, namely, chamber tray liners, cassettes, sterilization wraps, sterilization film, autoclave tape, sterilization pouches, sterilization bags, suction tubing for dentists; medical and dental instruments, namely, apparatus for performing electrosurgery, ultrasonic generator and transducer coupled to a tank unit within which objects to be cleaned are immersed