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Dentist Friend site is a channel of communication through which users can access a wider basis to buy and sell commodities, services, establish contacts or exchange information usually implemented by our exploiters.
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Hand Instrument www.dentistfriend.com
Parts of Hand Instruments • Most of the instruments are composed of the following parts: • Handel • Shank • Blade/Nib www.dentistfriend.com
Handle It is used to hold the instrument. They are available in various size and shapes. It may be smooth or eight sided and serrated. www.dentistfriend.com
Shank It connects the handle with the working point or nib of the instrument. It is smooth, round or tapered. It may be straight or bent for better control of working point when the force is applied. It has one or more angels to avoid twisting of the instrument. www.dentistfriend.com
Blade Working part of the instrument. Connected to the handle by shank. Each blade has a cutting edge that is the working end. www.dentistfriend.com
Gingival Margin Trimmer It is used to trim, smooth, and shape the gingival floor of a cavity preparation. It is also used for rounding or beveling of the axiopulpal line angle. www.dentistfriend.com
Hoe Used to clean and smooth floor and walls in cavity preparation and forming line angles. Used with a pulling motion Cutting edge or blade nearly perpendicular to handle. www.dentistfriend.com
Hoe Vs Hatchet If the angle of the blade is less than 12.5 centigrade, it is mono-angle chisel & if it is more than 12.5 centigrade’s, it is hoe. www.dentistfriend.com
Angle Formers Primarily used for sharpening internal line angles and creating retentive features in dentine in preparation for gold restorations. Used in 3 motions vertical, push and pull www.dentistfriend.com
Spoon excavator • Used to remove: • Soft carious dentine • Temporary crowns • Temporary cement in temporary restoration • Permanent crown during try-in • Discoid: Cutting edges are circular • Cleoid: Cutting edges are claw like www.dentistfriend.com