[7:08] Dental Detox – One of the Most Often Overlooked Keys to Health. With amalgam fillings, used by many dentists, one of the component metals is mercury, which is highly neurotoxic. And root canals can allow certain bacteria to grow if not monitored and treated properly. During the removal of wisdom teeth part of a bone may be missed. This bone fragment becomes dead/necrotic and serves as a home for bacteria and viruses.