Why Mercury Removal Is an Art Form? The 1,400-Year Story of Mercury in Dentistry

"It ain't what you don't know that gets you into trouble. It's what you know for sure that just ain't so." — Mark Twain

The Word "Quack" Has a Dental Origin Story

Here is a fact that tends to stop people mid-sentence.

The word quack — as in an untrustworthy or dangerous practitioner — does not come from ducks. It comes from mercury. In 19th century Germany, mercury was commonly known as Quecksilber, meaning quicksilver. Dentists who used mercury amalgam fillings were disparagingly called Quacksalber — mercury peddlers. The insult traveled across the Atlantic, shortened along the way, and eventually became the English word we use today.

So the next time someone calls a dentist a quack, they may be more historically accurate than they realize.

The story of mercury in dentistry is long, surprisingly contentious, and — depending on where you are sitting in the dental chair — still very much unresolved. It is also one of the most important stories in the history of medicine that most patients have never been told. Until now.

A History That Begins in the Tang Dynasty

Dental amalgam — the silver-colored filling material that has filled hundreds of millions of teeth across the world — is not a modern invention. It was first documented in a Tang Dynasty medical text written by the Chinese physician Su Gong in 659 AD. It appeared in Germany in 1528. By the early 1800s, a French dentist named Auguste Taveau had developed a version using mercury and melted silver coins, and by 1833 two entrepreneurs — the Crawcour brothers — had brought it to New York City, marketing it aggressively as a cheap, durable, and easy alternative to gold fillings.

What Amalgam Actually Is

The term "silver filling" is a polite euphemism. Dental amalgam is approximately 50% mercury by weight. The remainder is a combination of silver, tin, and copper. Mercury is what makes the material soft enough to mold into a cavity and workable enough to shape before it sets hard — it acts as a binding agent, making the mixture pliable and allowing it to fill every contour of the tooth. As the amalgam hardens, mercury becomes chemically bound to the other metals. But bound does not mean inert. From that point forward, the filling releases mercury vapor continuously — at low but measurable levels — through the ordinary demands of daily life: chewing, grinding, brushing, drinking hot liquids. The filling is set. The mercury, however, is not gone.

In the 1980s, researchers developed methods that could actually measure mercury vapor emissions from fillings in real time. What they found was unambiguous: amalgam fillings release mercury vapor continuously — and at higher rates during chewing, brushing, clenching, and teeth grinding. The vapor is inhaled, absorbed through lung tissue, and distributed throughout the body. It crosses the blood-brain barrier. It crosses the placental barrier. It accumulates in the kidneys, the brain, and other organs.

This was not a fringe finding. It was confirmed across dozens of peer-reviewed studies. In 1991 the World Health Organization concluded that dental amalgam was the primary source of mercury exposure for people who had amalgam fillings — exceeding combined exposure from food, air, and water. In 2026, the European Union completed a full ban on dental amalgam, citing both human health and environmental concerns. Norway, Sweden, and Denmark had already banned it years earlier.

The conversation has changed. Irrevocably.

The Problem Is Not Just Having Amalgam. It Is Removing It Incorrectly.

Here is the part that most patients do not know — and the part that matters most right now.

If you have old amalgam fillings and you want them removed, your instinct is correct. But the removal process itself, if performed without proper precautions, can expose you to more mercury in a single appointment than years of simply leaving the filling in place. When a drill cuts through an amalgam filling, it generates heat. That heat releases mercury vapor and fine mercury containing particles into the air and into the patient's mouth in quantities that dwarf the slow, ongoing emissions of an intact filling.

This is not a hypothetical risk. It is a documented, measurable one. And it is precisely why simply calling any dentist and asking them to remove your amalgam fillings is not enough. This is where SMART comes in.

What SMART Certification Actually Means

SMART stands for Safe Mercury Amalgam Removal Technique. It is a rigorous protocol developed and administered by the International Academy of Oral Medicine and Toxicology — a global network of dentists and scientists dedicated to the biocompatibility of dental materials. To become SMART certified, a dentist must complete an extensive educational program grounded in current scientific research, pass an academic examination, and demonstrate mastery of a specific set of protective measures designed to minimize mercury exposure during removal — for the patient, the dentist, the dental team, and the environment.

The SMART protocol is detailed and non-negotiable in its core requirements. It includes high volume air filtration systems capable of capturing mercury vapor at the source. It requires a properly sealed non-latex dental dam to prevent particles from entering the patient's throat. The patient breathes through a nasal mask delivering clean air or oxygen throughout the procedure, so no mercury vapor is inhaled. The dental team wears respiratory-grade masks, face shields, protective gowns, and nitrile gloves. The amalgam is sectioned into large chunks rather than drilled into fine particles — a technique that dramatically reduces vapor generation. Before and after the procedure, the patient rinses with a slurry of charcoal or chlorella to bind and clear any residual mercury from the oral cavity. Mercury waste is collected through an amalgam separator and disposed of according to strict federal, state, and local regulations — not released into the water supply.

This is not a precautionary gesture. Every element of the SMART protocol has scientific research behind it. The IAOMT does not recommend what has not been studied. The level of protection it represents is the difference between a procedure that is genuinely safe and one that inadvertently makes the problem worse.

At Dr. Rossinski Dental Health, we are SMART certified. When we remove amalgam, we do it the right way — for you, for our team, and for the environment

Who Should Be Thinking About This

If you have silver fillings that were placed before the mid-2000s — when composite resin alternatives became widely available and amalgam use began its long decline — there is a reasonable conversation to be had about whether removal makes sense for you.

It is not a decision to make in a panic, and it is not a decision that is right for everyone at every time. The IAOMT does not recommend amalgam removal for women who are pregnant or breastfeeding, and timing and individual health circumstances always matter. What the IAOMT does recommend — and what we practice — is that when removal is appropriate, it is performed with full SMART protocol protections in place.

Some patients come to us with a long list of unexplained symptoms — chronic fatigue, neurological issues, hormonal disruption, autoimmune conditions — and a growing suspicion that their fillings may be contributing. Others simply want to move toward a mercury-free mouth as part of a broader commitment to reducing their toxic load. Others are replacing old, failing restorations and want to make the most of the opportunity. All of these are valid reasons to have the conversation.

What replaces the amalgam matters too. We use biocompatible, tooth-colored composite resin — materials that are matched to your individual tooth shade, bonded directly to the tooth structure, and free of the metals and toxins that characterized 20th century dentistry. They are also, frankly, considerably more beautiful.

One more step that we strongly encourage — and one that falls beyond the dental chair. Once every amalgam filling has been removed, we recommend consulting with your functional medicine doctor about whole-body support following the process. Mercury accumulates in tissue over years, and addressing that systemic load is a conversation worth having with a practitioner who can guide it properly. Full removal comes first. Detoxification of the body is the next chapter — and one your functional doctor is best equipped to guide.

Knowledge Is the First Step

Informed patients make better decisions. That belief guides every conversation we have about amalgam.

For those who want to understand their current mercury exposure before or after removal, we offer testing options on our website — including the Quicksilver Mercury Tri-Test, which analyzes hair, blood, and urine to distinguish between mercury from dental amalgam and mercury from dietary sources, and the Blood Metal Test, which measures levels of 15 metals in the body. Dr. Rossinski also uses EAV screening — a technology based on the Reinhold Voll method — to assess mercury exposure and overall tooth health in the context of your broader wellbeing. More information is available at: biocompatibility of dental materials.

Mercury has been in dentistry since the Tang Dynasty. It does not have to stay there.

If you have amalgam fillings and would like to discuss your options, we are here for exactly that conversation.

To learn more about SMART amalgam removal or to schedule a consultation, book a consultation online or contact Dr. Rossinski Dental Health at (212) 673-3700 or inform@rossinski.com.