Julio Fernandez has had only four cavities, ever. For the first two, treated when he was young, his dentist used fillings that contained mercury, those silver fillings that have become less popular than the resin-based or ”white” fillings.
Over the years, Fernandez, now 46 and an international trade professional in Washington, D.C., was aware of the ongoing discussion about whether mercury fillings are safe to leave in or should be removed. Every time he got routine dental care, he asked his dentists about them.
“For years, they would look at them and always say, ‘They are fine, they are not