Dr. Gerry Smith is interviewed in this Documentary featuring opinions from doctors and dentists from around the world on the health effects of the root canal procedure. We will interview the producer.

Root Cause is a feature length documentary featuring opinions from doctors and dentists from around the world, that try to postulate the health effects of the root canal procedure. Root Cause is one man's personal journey of self-discovery and subsequent attempt to prove that a long accepted safe procedure might have health impacts.