Dental pain is not a modern problem. Cavities, abscesses, infections, and cracked teeth have tormented humanity for tens of thousands of years, and the evidence is written directly into ancient skeletons. Fossilized human skulls more than 500,000 years old show signs of tooth decay and wear. But the problem exploded when humans shifted from hunting and gathering to agriculture around 10,000 BCE.
Farming introduced grains, which introduced refined carbohydrates, which feed the bacteria in the mouth that produce the acid that dissolves enamel. Studies of early farming communities consistently show dramatically higher rates of cavities than in hunter-gatherer populations. By the time the great ancient civilizations rose in Egypt, Mesopotamia, and the Indus Valley, dental pain was practically a universal human experience. Each civilization developed its own answers, and some of those answers were surprisingly effective.
Ancient Egypt produced some of the earliest recorded dental care. The Ebers Papyrus, one of the oldest medical documents ever discovered and dating to around 1550 BCE, contains detailed descriptions of dental treatments. Egyptian healers packed pastes made from cumin, frankincense, and coriander berries directly into cavities or pressed them against swollen gums. They also used honey, which modern science confirms has strong antimicrobial properties.
Packing honey into an infected tooth socket would not cure the underlying infection, but it would inhibit bacterial growth and create some relief. Skulls from the era also show teeth that were deliberately removed and holes drilled through the jawbone, likely to drain abscesses, all conducted without anesthesia. In Mesopotamia, the Sumerians and Babylonians blamed toothaches on a worm living inside the tooth. This toothworm theory became one of the most persistent myths in medical history, lasting in European medicine well into the 1700s.
A Sumerian text from around 5,000 BCE describes the worm crying out to be fed, with treatments involving incantations begging the gods to pull it out by its root. The Babylonians elaborated on this with rituals and herbal treatments using henbane, a plant containing alkaloids that actually dull pain. The priest-physicians had no idea they were administering proto-anesthesia, but that is essentially what they were doing. The toothworm theory only died when the microscope allowed scientists to examine dental pulp and find nothing crawling inside it.
Ancient Indian medicine took a different path. Foundational Ayurvedic texts contain oral health protocols of remarkable sophistication. The practice of oil pulling, swishing oil around the mouth for extended periods, originates here, with sesame oil most commonly used. Modern studies on oil pulling have produced mixed results, but some evidence suggests it reduces certain strains of oral bacteria.
Indian practitioners also used neem twigs as toothbrushes. Neem contains compounds with documented antibacterial, antifungal, and anti-inflammatory properties. For acute dental pain, Ayurvedic practitioners recommended clove oil applied directly to the tooth. The numbing sensation it causes comes from eugenol, a compound still used in dental procedures today as a topical anesthetic and antiseptic.
The ancient Greeks approached dental disease through their theory of bodily humors. Hippocrates attributed toothaches to inflammation caused by phlegm settling near the roots of the teeth. He recommended astringent mouthwashes made from oak bark, alum, or vinegar. Vinegar has some antibacterial properties, and oak bark contains tannins with mild antiseptic qualities.
The underlying theory was wrong, but the practical application was useful. Hippocrates also described extraction as a last resort, noting the serious risks of infection, excessive bleeding, and occasionally death if the wound became septic. Without any understanding of sterile technique, tooth extraction in the ancient world was dangerous. Aristotle, confidently incorrect on several things, believed teeth continued to grow throughout a person’s life and that women had fewer teeth than men.
His influence on European medicine meant some of these misconceptions persisted for centuries. Ancient Rome refined the Greek approach with a brutally practical attitude. The physician Galen recommended a root called pellitory for toothaches, which contains compounds that create a genuine numbing sensation in mucous membranes. Another physician, Scribonius Largus, writing in the first century CE, described treating toothaches with fumigation: holding the mouth open over burning henbane seeds so the smoke would drive the worm out.
Wealthy Romans used tooth powders made from pumice stone, crushed oyster shells, and powdered ox hooves mixed with honey or rose water. These abrasive mixtures worked similarly in principle to modern toothpaste. Archaeological evidence also points to early forms of dental bridge work, with false teeth secured to existing teeth using gold wire. Ancient Chinese medicine operated on the concept of qi, with dental pain understood as a disruption in energy pathways.
Acupuncture targeted specific meridian points, particularly one known as hegu, located between the thumb and index finger. Modern research has shown that stimulating this point can reduce the perception of pain, potentially through the release of endorphins. Chinese practitioners also used arsenic compounds to treat severely decayed teeth, packing the paste into cavities to kill the nerve and deaden the pain. The risks were real, but the underlying mechanism was sound: killing the nerve removes the pain signal.
This was, at its conceptual core, what a modern root canal does. Medieval Europe is where dental care gets particularly disturbing. The barber surgeon handled both haircuts and bloodletting and tooth extractions. These practitioners operated with iron instruments, no anesthesia beyond perhaps some wine or a bite of leather, and a technique based more on brute force than precision.
Tooth keys, hooked extraction devices that leveraged the tooth against the jawbone, were in use by the medieval period. They were effective at removing teeth but notorious for fracturing crowns, leaving roots behind, or occasionally breaking the jaw. Patients sometimes bit through their own lips during the procedure, which was considered an acceptable outcome. Public tooth extractions were sometimes performed at markets and fairs.
The barber surgeon would set up a booth and extract teeth in front of gathered crowds, sometimes with a musician playing loudly to drown out the screaming. Across the Atlantic, pre-Columbian civilizations developed their own approaches. The Maya filed teeth into shapes and inlaid them with jade and pyrite, drilling holes for gemstone decorations. Archaeological evidence shows these inlays were fitted with such precision that they remained in place for thousands of years without adhesive, and the craftspeople understood enough tooth anatomy to drill without damaging the pulp.
Maya healers used plants like copal, a tree resin with antiseptic properties, and capsaicin-containing peppers to temporarily desensitize painful areas, using the same pathway that modern capsaicin-based pain creams exploit. Willow bark deserves particular attention, as it may be the most extraordinary example of cross-cultural pharmaceutical discovery in human history. Ancient Egyptians used it. Ancient Greeks wrote about it.
Chinese medical texts reference it. Indigenous North American tribes used it. Medieval European herbalists prescribed it. Across thousands of years and dozens of isolated cultures, people who had never communicated with each other all independently arrived at the same conclusion: chewing on willow bark relieves pain.
The reason is salicin, a compound the body metabolizes into salicylic acid, the active component in aspirin. Humanity discovered aspirin over and over independently in culture after culture because the evidence was sitting right there in nature, and observant people kept noticing it. Skeletal studies show ancient people walked around with severe chronic dental infections for years. Abscesses the size of marbles, bone loss in the jaw from untreated periodontal disease, and teeth worn down to the pulp from gritty grain milled on stone, all endured while farming, fighting wars, building monuments, and raising families.
Dental pain was simply a condition of human existence for most of recorded history. The first clear evidence of actual fillings comes from Slovenia, where a 6,500-year-old tooth was discovered with beeswax packed into a crack in the enamel. Beeswax is antimicrobial and would have sealed the tooth while cushioning the exposed dentin. Someone 6,500 years ago looked at a cracked tooth and arrived at beeswax as the solution.
By the medieval period in China, amalgam-like fillings made from silver and tin were in use. In Europe, gold leaf was occasionally used by wealthy patients as far back as Roman times. Modern dentistry traces directly to these ancient discoveries. When a dentist applies clove oil to a gum before an injection, the treatment has a pedigree stretching back at least 4,000 years.
The molecule has been isolated, the application refined, and the theory completely overhauled, but the core insight that cloves dull dental pain was figured out by someone in ancient India who never heard of eugenol and was simply trying to help a person whose tooth hurt.
