A whistleblower lawsuit in Colorado is renewing concerns about the use of mercury-containing dental fillings in prisons. A dentist who worked in state correctional facilities says he was fired shortly after raising safety concerns about mercury amalgam fillings being routinely used on incarcerated patients. The case is drawing attention to why a known neurotoxin is still being used when safer dental options are available.
Mercury amalgam has been used for decades, but health agencies have warned that it may pose risks for certain groups, including pregnant women and people with chronic, neurological or immune conditions. Prison populations often include people with these vulnerabilities. Critics argue that mercury fillings continue to be used in prisons mainly because they are cheaper and faster, creating a lower standard of care than what is typically offered outside correctional settings.
The lawsuit claims the dentist faced retaliation for speaking up, raising broader questions about oversight and accountability in public health systems. Advocates say the case highlights the need to fully move away from mercury in dentistry, rather than allowing limited exceptions that keep exposure in place. As evidence about mercury toxicity grows, critics argue that continued use of amalgam fillings represents a preventable health risk.
SOURCE:
Drbicuspid, December 19, 2025