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Published byEvangeline Blair Modified over 9 years ago
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DENTAL INSTRUMENTS DR. HICHAM NUAIMI BDS, PGDIP IN RESTORATIVE PGDIP IN IMPLANTOLOGY MCLIN IN OPERATIVE AND ESTHETIC
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MOST HAND INSTRUMENTS WERE INVENTED IN 19 TH CENTURY WITH Large heavy handles inferior metal alloys
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Ancient handled instruments were palm grasping Modern ones are pen grasping
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credited with the first acceptable nomenclature for and classification of hand instruments developed many of the instruments and techniques first who modify Blacks instrumentation
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developed Wedelstaedt chisel now referred to as curved chisel developed a new set of instruments called ferrier set which were more refined and had uniform thickness on the cutting edge invented pneumatic condenser
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MATERIALS USED IN INSTRUMENT stelitte Stainless steel Carbon steel
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MarzoukBlack CharbenauPickard Classification
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BLACK CLASSIFICATION Dental Instrument Cutting Edge Knives carvers files, scalers Excavators ordinary hatchet hoes spoons Non- cutting edge Amalgam condensar Mirrors Probes
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SCALERS
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DENTAL FILES
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Hoes Carvers
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HATCHETS
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CONDENSER
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DENTAL KNIFES
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MIRRORS
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DENTAL PROBES
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PICKARD CLASSIFICATION Dental Materials HAND-HELD Placing & condensing Carving & finishing Scaling scalers AUXILLIARY Fibreoptic lights for illumination Lights used for polymerization ROTARYUltrasonic scalers
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FIBRO OPTIC DEVICE
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FIBRO OPTIC LIGHT CURE
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ULTRA SONIC SCALER
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Charbenau’s Classification Condensing instruments Cutting instruments Finishing & polishing instruments Isolation instruments
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Cutting Hand: hatchets, chisels, hoes, excavators Rotary: burs, stones, disks Condensing Hand & mechanical: plugger Finishing polishing Hand: orange wood sticks polishing points Rotary: finishing burs, mounted brushes,
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POLISHING DISCS
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POLISHING POINTS
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FINISHING BURS
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WEDGES
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PLUGGER
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SPOON EXCAVATOR
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RUBBER DAM
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LAB SPATULA
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SPATULA
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CARVER (GOLD INSTRUMENT)
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CARVERS
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PARTS OF HAND INSTRUMENT Bladeshankhandle
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Blade- is the part of the instrument bearing the cutting edge Shank- connects the shaft with the blade or working point or nib. Shaft- used as a handle, straight and is usually without variations in size. It maybe serrated to increase friction for hand gripping.
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Thank You.
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