Ask the Dentist with Dr. Mark Burhenne

Episode #26: Metal or Plastic Fillings?

Sep 7, 2021
A lively discussion about choosing metal versus plastic dental fillings. The conversation covers health risks linked to mercury in metal restorations and chemical concerns in modern composites. Durability, how each material affects tooth structure, and rare situations where metal might still be used are compared. A specific composite recommendation and guidance on asking your dentist about materials are shared.
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ADVICE

Always Ask Which Filling Material Will Be Used

  • Ask your dentist which filling material they will place before treatment.
  • Mark Burhenne, DDS warns there's often no informed consent form for filling material, so you must explicitly request it.
INSIGHT

Why Amalgam Fillings Persist Despite Risks

  • Metal amalgam fillings are inexpensive, simple to place, and tolerate a non-dry field, which made them popular since the late 1800s.
  • Amalgam contains roughly half mercury, so it releases vapor during placement and wear despite past assumptions of inertness.
ADVICE

Choose Composite Fillings When Feasible

  • Prefer composite (plastic) fillings over metal when possible to avoid adding mercury exposure.
  • Mark Burhenne, DDS notes modern composites come in single-dose carpules and layerable shades, improving longevity and aesthetics.
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