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

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

Assures appropriate receptacle for screw head

It is the hole made in the distal fragment that engages the screw threads

It is the hole made in the proximal segment that does not engage the screw threads

It is non functional

Question Category:

Correct Answer:

Assures appropriate receptacle for screw head

Description:

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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