Mercury exposure considerations differ meaningfully across family members. Here's how the guidance breaks down by life stage.
For pregnant or breastfeeding patients
Current FDA guidance recommends avoiding new amalgam placement and, where possible, elective removal during pregnancy and breastfeeding. Mercury can cross the placenta and appear in breast milk. If removal is not urgent, many practitioners recommend waiting until after pregnancy and breastfeeding to avoid the temporary increased exposure that comes with the removal procedure itself.
For children
The FDA's 2020 guidance specifically recommends against new amalgam placement in children under six. For children with existing amalgam fillings, most guidance favors monitoring rather than elective removal, given the temporary exposure increase from the removal procedure itself.
For older adults
Older adults often have amalgam fillings that are decades old. The key consideration is filling condition, not age — a stable filling that's 30 years old may not need replacement, while a newer but cracked filling might. Kidney function is also relevant, since mercury clearance depends partly on kidney health.
For patients with kidney disease
The kidneys play a role in clearing mercury from the body. Patients with significant kidney disease may be advised to avoid new amalgam placement and discuss existing filling management carefully with both their dentist and physician.
Making family decisions together
- Each family member's situation should be evaluated individually — what's right for one may not be right for another
- Coordinate with your pediatrician, OB-GYN, or physician for medically complex situations
- Use our appointment checklist for every family member's consultation