an Isolite which is a newer, better version of a dental dam and keeps you from swallowing or inhaling mercury vapors. We also have a state-of-the-art air filtration system that removes mercury vapors and provides the office with a completely new air supply every 30-60 seconds. We also break that filling up into small pieces so as to preserve your healthy tooth structure and make it easier to take out of your mouth safely with an amalgam separator.