MERCURY REMOVAL
- Biological Dentistry by Dr. Derek Grieco
- Dec 5, 2015
- 2 min read

Mercury is a powerful neurotoxin and, at certain levels, can cause neurological issues, autoimmune disease, chronic illnesses and mental disorders. Studies are ongoing as to whether an unknown quantity of mercury vapor in our silver fillings at a constant exposure poses a significant health risk.
Amalgams consist of 50% mercury along with a combination of silver, tin, and copper. Studies have found that the amount of mercury vapor from amalgams varies from 1- 3 ug/day (micrograms/day), at the low estimation, up to 27 ug/day. This translates to 3% to 68% of workplace air quality standards that are allowable by the Occupational Safety and Health Administration (OSHA, our federal environmental agency). What this means is that at the high level – and with continuous exposure – we could be at levels that OSHA says are unhealthy. The World Health Organization (WHO) has stated that the exposure to mercury vapor can greatly increase beyond this number due to personal habits such as grinding of the teeth, chewing gum, and drinking carbonated drinks. This could lead to a fivefold increase in mercury levels after these activities.
In addition to the problems with mercury vapor coming off of silver fillings in our mouth, there is the issue of water contamination from removing the silver fillings and the ensuing environmental impact as the mercury finds its way into the water supply.
The WHO (World Health Organization) reports that mercury from amalgam and laboratory devices accounts for 53% of total mercury emissions into our environment. The EPA recommends that dentists use amalgam separators to catch and hold excess amalgam waste, to decrease the release of mercury into the sewer system. At this time, these are not mandatory in the US.
Comentários