DENTAL INSTRUMENTS DR. HICHAM NUAIMI BDS, PGDIP IN RESTORATIVE PGDIP IN IMPLANTOLOGY MCLIN IN OPERATIVE AND ESTHETIC

MOST HAND INSTRUMENTS WERE INVENTED IN 19 TH CENTURY WITH Large heavy handles inferior metal alloys

Ancient handled instruments were palm grasping Modern ones are pen grasping

credited with the first acceptable nomenclature for and classification of hand instruments developed many of the instruments and techniques first who modify Blacks instrumentation

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

MATERIALS USED IN INSTRUMENT stelitte Stainless steel Carbon steel

MarzoukBlack CharbenauPickard Classification

BLACK CLASSIFICATION Dental Instrument Cutting Edge Knives carvers files, scalers Excavators ordinary hatchet hoes spoons Non- cutting edge Amalgam condensar Mirrors Probes

SCALERS

DENTAL FILES

Hoes Carvers

HATCHETS

CONDENSER

DENTAL KNIFES

MIRRORS

DENTAL PROBES

PICKARD CLASSIFICATION Dental Materials HAND-HELD Placing & condensing Carving & finishing Scaling scalers AUXILLIARY Fibreoptic lights for illumination Lights used for polymerization ROTARYUltrasonic scalers

FIBRO OPTIC DEVICE

FIBRO OPTIC LIGHT CURE

ULTRA SONIC SCALER

Charbenau’s Classification Condensing instruments Cutting instruments Finishing & polishing instruments Isolation instruments

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,

POLISHING DISCS

POLISHING POINTS

FINISHING BURS

WEDGES

PLUGGER

SPOON EXCAVATOR

RUBBER DAM

LAB SPATULA

SPATULA

CARVER (GOLD INSTRUMENT)

CARVERS

PARTS OF HAND INSTRUMENT Bladeshankhandle

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.

Thank You.