tooth

Flickr photo by VoxEfx

In the old days, you might have tied a string to the door, and pulled a tooth with a slam (see the YouTube video below). But these days, most of us prefer a sterile environment and some anesthetic, not to mention a professional guiding hand.

How much training and supervision you need to pull teeth (and offer dental advice) are the central questions in a dispute between dentists and advocates for poor children.