Friday, August 12, 2011

SHARP INSTRUMENTS 6

















Osteotome

Osteotomes are sharp instruments beveled on both sides and thus can spilt a bone as they can cut deeply.

Identification points

· Osteotome is like chisel in all ways.
· However, the sharp edge is beveled on both sides.


Uses
· It can cut through a bone and thus is used in osteotomy operations.


What are the types of osteotomy?

Linear or transverse osteotomy
Wedge or cuneiform osteotomy.


Bone gouge
Bone gouge has a curved cutting edge and, like chisel, can be used for creating a surface cavity on a bone.
This instrument has a handle, shaft and a cutting edge. It is similar in shape to a chisel or osteotomy, but its sharp cutting edge is curved or rounded.

Uses
· Bone gouge is used to obtain chips from a bone as in bone grafting.
· It can be used to enlarge the opening of a bone cavity (saucerise) and remove dead bone (sequestrum).
· It is sed to gouge mastoid bone (mastoiddectomy).

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