Last updated 10.16.2026
What is the SMART protocol for amalgam filling removal?
Understand SMART amalgam removal, its precautions and evidence, plus questions to ask before replacing fillings.
Has someone told you to look for a dentist who follows the Safe Mercury Amalgam Removal Technique (SMART)? It is a set of precautions developed by the International Academy of Oral Medicine and Toxicology (IAOMT) to limit mercury exposure while a filling is removed.¹ Whether a filling needs to come out at all is a separate question, and it helps to understand both before you decide.
What you will learn in this article:
What SMART certification tells you about a dental provider's training
How the protocol addresses particles, mercury vapor and waste
Why exposure precautions do not establish long-term health benefits
What to ask about removal, replacement and costs
To have your existing fillings assessed, schedule an appointment with an Aspen Dental provider.
What is the SMART amalgam removal protocol?
SMART describes precautions surrounding amalgam removal. Your dental provider still needs to assess the tooth, explain why treatment is recommended and plan the replacement restoration.
SMART certification comes from the IAOMT. Its online program includes readings, videos and tests on mercury and the safe removal of amalgam fillings.² It identifies training through that organization; it does not guarantee a particular health outcome.
If a practice advertises SMART, ask who holds the certification and what the office includes in the procedure.
How does SMART aim to reduce mercury exposure?
The protocol combines several measures. These are some of its main recommendations, grouped by their purpose:
Patient protection: A sealed, non-latex dental dam isolates the treatment area. Protective barriers cover the body and head area, while a nasal delivery system supplies external air or oxygen.
Control at the tooth: Water cools the working area, suction collects debris and the filling is divided into larger pieces. A saliva ejector sits beneath the dam.
Air and staff protection: An aerosol vacuum near the mouth and suitable air filtration address particles and vapor. Staff protection includes coverings and respiratory equipment rated for mercury or a sealed, positive-pressure air supply.
Waste handling: An amalgam separator collects waste from the suction system, alongside procedures for handling contaminated equipment and materials.1
This is an overview, not the complete protocol. Ask your provider which measures they recommend for your care and why. The word “safe” in the name should not be read as a promise of zero exposure or a risk-free procedure.
What does the evidence say about SMART?
The IAOMT publishes its SMART recommendations alongside research it cites in support of them.¹ That helps explain why particular precautions are included. It does not, by itself, establish that the complete SMART protocol produces better long-term health outcomes than other removal approaches.
The outcome being measured matters. A study of mercury in the air during drilling answers a different question from a study of patients' health after treatment. Evidence about one should not be presented as proof of the other.
If a provider says removal will “detox” your body or improve symptoms outside your mouth, ask what clinical evidence supports that specific claim. Ask whether the research concerns people with a diagnosed condition or people with otherwise sound fillings. You deserve an explanation of both the expected benefit and the uncertainty before agreeing to treatment.
When should amalgam fillings be removed?
The U.S. Food and Drug Administration (FDA) does not recommend removing a filling that is in good condition with no decay beneath it, unless a healthcare professional considers removal medically necessary. Removing intact amalgam can cost healthy tooth structure and temporarily increase mercury-vapor exposure, and the FDA says this applies to people in higher-risk groups too.³
Advice about new fillings is different. The FDA recommends that people in certain groups avoid new amalgam fillings if possible and appropriate. Those groups include people who are pregnant or planning pregnancy, nursing mothers, children (especially those under six) and people with neurological impairment, kidney dysfunction or sensitivity to amalgam components.³
If your provider identifies decay or damage, ask them to explain the findings for that tooth and the treatment options. Your health history also belongs in that discussion, including any known material allergy.
What should you ask about SMART costs and insurance?
Request an itemized estimate for the full treatment plan. Ask whether it separates removal, the replacement restoration and any additional charges for protective measures. Also clarify whether follow-up visits or products are included.
Before scheduling, ask the office for the proposed procedure codes and check them with your insurer. Confirm network status, coverage for each service and the estimated amount you would owe. Ask specifically about elective replacement if the filling is intact. A practice's use of SMART does not tell you what your individual plan will pay.
If you have questions about your fillings, schedule an examination with your local dental provider and ask them to review the reasons for keeping or replacing each one.
What is the SMART protocol for amalgam filling removal? FAQs
Does a consultation commit you to removal?
No; you can book an assessment to discuss your options before deciding on treatment. Tell the office that this is your goal and ask about the consultation fee. Request a written plan to review at home, and seek a second opinion if you are uncertain about extensive recommendations.
Is SMART required for amalgam removal?
SMART is a set of recommendations, not a requirement. The IAOMT says it presents SMART that way and that dental practitioners use their own judgment about which treatment options to use.¹ Ask your provider which precautions they recommend for your care and why.
Do SMART precautions mean a filling should be removed?
No. SMART describes precautions during removal, not reasons for it. The FDA advises against removing intact fillings in good condition with no decay beneath them, unless a healthcare professional considers removal medically necessary.³
Sources
¹ International Academy of Oral Medicine and Toxicology: “The Safe Mercury Amalgam Removal Technique (SMART).” https://iaomt.org/resources/safe-removal-amalgam-fillings/
² International Academy of Oral Medicine and Toxicology: “SMART Certification.” https://iaomt.org/for-members/smart-certification/
³ U.S. Food and Drug Administration: “Information for Patients About Dental Amalgam Fillings.” https://www.fda.gov/medical-devices/dental-amalgam-fillings/information-patients-about-dental-amalgam-fillings