Fake Dentist Arrested, Used Power Tools on Patients

A man who claimed to have a dentist's license in Mexico was arrested for operating a practice in Chicago.  Among the items recovered from the practice were tools like these pictured here.  Patients were asked to spit into a garbage pail after rinsing.


My question would be, how many patients would remain in the chair when the "dentist" approached with a Black and Decker in hand?

More here.