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Surgery General 06516a95

In lag screw technique, what is the function of counter-sink?

A
Assures appropriate receptacle for screw head
B
It is the hole made in the distal fragment that engages the screw threads
C
It is the hole made in the proximal segment that does not engage the screw threads
D
It is non functional
High-Yield Explanation
To flush the obliquely place screw head with the rest of the proximal cortex, countersink is made that acts as a receptacle for engaging the end of screw head.
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