Jerry and others, When I was in Dental School, we were taught that sometimes the best and only way of removing a crown that was stuck on was to heat a sugardaddy or black cow in some water, have the patient bite into it, then open their mouth rteal fast. Slick job! 10 years later some dentist's kid in highschool package a material that did the same thing, but for a specic use (removing stuck crowns and bridges) and became a millionaire on the patent! go figure!