Diagnosis would also be really easy. The doctor just puts you in an MRI machine and see what odd plastic item has become lodged in your body.
I should be under the gas in around two hours getting my teeth out. I am not worried. I just have getting the bloody needles in the hand and stuff. One day, I want them to invent a needle that doesn't go into the body. It serves the same purpose as a needle, but doesn't need to pierce the skin or anything. Maybe everything can be administered by patches, like nicotine for people trying to quit smoking. One day it will be invented.