ColumnsIntegrative DentistryMedical TechnologyMen's HealthHolistic Dentistry: Millions of amalgams are still being placed every yearDr. Carey O’RiellyNovember 4, 2021 November 4, 20210273 Amalgams, which are silver-colored metal fillings are 50% mercury by volume. Mercury is a neurotoxin that can cross the blood-brain barrier and is the second...