Screws and drill bits

Question 1

What are the different types of screws available?

Answer 1

Locking screws
VA locking screws
Cortex/standard
Cancellous 
Cannulated screws

Question 2

What colour and drill bit correlates with the 2.4mm cortical screw?

Answer 2

1.8mm and purple

Question 3

What colour and drill bit correlates with the 2.4mm locking screw?

Answer 3

1.8mm and purple

Question 4

What colour and drill bit correlates with the 2.7mm cortical screw?

Answer 4

2.0mm and orange

Question 5

What colour and drill bit correlates with the 2.7mm locking screw?

Answer 5

2.0mm and orange

Question 6

What colour and drill bit correlates with the 2.7mm VA locking screw?

Answer 6

2.0mm and orange

Question 7

What colour and drill bit correlates with the 3.5mm cortical screw?

Answer 7

2.5mm and gold

Question 8

What colour and drill bit correlates with the 3.5mm locking screw?

Answer 8

2.8mm and black

Question 9

What colour and drill bit correlates with the 3.5mm VA screw?

Answer 9

2.8 and black

Question 10

What colour and drill bit correlates with the 4.0mm cancellous screw?

Answer 10

2.5mm drill and gold

Question 11

What colour and drill bit correlates with the 4.5mm cortical screw?

Answer 11

3.2mm and green

Question 12

What colour and drill bit correlates with the 5.0mm locking screw?

Answer 12

4.3mm and blue

Question 13

What colour and drill bit correlates with the 6.5mm cancellous screw?

Answer 13

3.2mm drill and green

Question 14

Why must a drill bit always be used?

Answer 14

• Helps protect surrounding tissues
• Controls direction of the drill
• Reduces bending rotation while engaging in the opposite cortex