The
procedure is not entirely risk free. In the right hands, it is a reasonably safe
procedure, and is surprisingly easy to get through. Moreover, the benefit is usually finding out whether you need more work or not, something you no doubt need to do, and something which would normally easily justify the risks. When I did it, the doctor played music and cracked jokes. Didn't feel a thing. Bring a friend or family member for sure. Also, choose your doctor wisely.