I have a questions concerning shortening a heavy bur. In the book
’Making the Most of Your Flex-Shaft’ by Karen Christians,
she says that any heavy bur should have its shank shortened by about
one-third in order to seat it more deeply into the handpiece of the
So, I want to shorten the shaft of my bur, but what is the best way
to do this? I would appreciate any help in this matter. Thank you.