Bur and Handpiece Medical Assignment Help

Bur and Handpiece

A final method for removing bone is with a bur and hand-piece.This is the technique that most surgeons use when removing bone for surgical removal of teeth. Relatively high-speed hand-pieces with sharp carbide burs remove cortical bone efficiently, Burs such as no. 557 or no. 703 fissure bur or a no. 8 round bur are used. When large amounts of bone must be removed, such as in torus reduction, a large bone bur that resembles an acrylic bur is used.

The handpiece that is used must be completely sterilizable in a steam autoclave. When a hand piece is’ purchased,the manufacturer’s specifications must be checked carefully to ensure that this is possible. The handpiece should have relatively high speed and torque (Fig. 6-19). This allows the bone removal to he done rapidly and allows efficient sectioning of teeth. The hand-piece must not exhaust air into the operative field as do dental drills. Most high-speed turbine drills used for routine restorative dentistry must not be used. The reason is

A, Rongeurs are bone-cutting forceps that have spring-loaded handles. 8, Blumenthal rongeurs are combination end-cutting and side-cutting blades. They are preferred for oral surgery procedures. ·

A, Rongeurs are bone-cutting forceps that have spring-loaded handles. 8, Blumenthal
rongeurs are combination end-cutting and side-cutting blades. They are preferred for oral surgery procedures.
·

that the air exhausted into the wound may be forced into deeper tissue planes and produce tissue emphysema, a potentially dangerous occunence.

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