Metal Free Fillings: What It Is and What to Expect
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor provides Metal Free Fillings?
A dentist places fillings, including metal free ones. A general dentist handles most cavities. Badly damaged teeth may be sent to an endodontist or prosthodontist. A direct primary care or concierge doctor can be a first stop for an evaluation and can refer you to a specialist when needed.
What it is
A metal free filling is a material used to repair a tooth without metal. The most common type is composite resin, a tooth colored plastic mixed with fine glass particles. Other options include glass ionomer and ceramic. These fillings blend in with the natural color of your teeth.
Why a doctor might recommend it
Dentists use fillings to treat cavities, areas of decay caused by bacteria that eat away at the enamel. Metal free fillings are often chosen because they match the color of the tooth. Some people prefer to avoid amalgam, which contains a small amount of mercury. The FDA says amalgam is safe for most people but suggests avoiding it in certain groups.
How to prepare
- Brush and floss before your appointment if you can.
- Tell the dentist about any medicines you take and any allergies you have.
- Ask whether you will need numbing medicine.
- Eat a normal meal before the visit unless the dentist tells you not to.
What happens during it
The dentist numbs the area with a gel on the gum, then injects local anesthetic. Next, the dentist removes the decayed part of the tooth with a drill or laser, cleans the space, and places the filling material in layers. A special blue light hardens each layer. Finally, the dentist shapes and polishes the filling.
Recovery
Most people can go back to normal activities right away. The numbness wears off in a few hours. The tooth may feel sensitive for a few days, and this usually fades. If the bite feels uneven or pain gets worse, call the dentist.
Risks and side effects
Metal free fillings are common and generally safe. Possible problems include tooth sensitivity, a filling that cracks or wears out over time, and a rare allergic reaction to the resin. Composite fillings may not last as long as amalgam in very large cavities.
Who performs it
A general dentist performs most metal free fillings. If the decay reaches the pulp, the soft tissue inside the tooth, the dentist may refer you to an endodontist for a root canal. A prosthodontist may handle large repairs such as inlays or crowns.
Common questions
How long do metal free fillings last?
Composite fillings often last several years, but the exact lifespan varies. Grinding your teeth, biting hard objects, and poor cleaning can shorten their life. Regular dental checkups help spot wear early.
Are metal free fillings as strong as metal ones?
For small and medium cavities, composite fillings work well for most people. Amalgam may hold up better in very large back teeth fillings. Your dentist can explain which material fits your tooth.
Does getting a filling hurt?
The numbing medicine usually prevents pain during the procedure. You may feel pressure or vibration but not sharp pain. Soreness afterward is common and usually mild.
How does a direct primary care or concierge doctor fit in?
A direct primary care doctor charges a flat monthly fee instead of billing insurance. A concierge doctor usually charges more. Neither places fillings. They can help with tooth pain by checking for other causes and coordinating your care, and will refer you to a dentist when the problem is the tooth itself.
Sources
- FDA - Dental Amalgam Fillings
- American Dental Association - Dental Filling Options | MouthHealthy - Oral Health Information from the ADA
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
