When flesh and bone crumble into oblivion, teeth stubbornly persist. Their enamel, the hardest tissue in the body, often outlasts everything else, turning each molar into a tiny time capsule. In this roundup, we’ll explore 10 secrets locked within these stubborn artifacts, revealing diets, diseases, fires, and even ancient medicines that have shaped our ancestors’ lives.
From the high‑carb cravings of Paleolithic hunters to the smoky lungs of fire‑using cavemen, each set of chompers tells a story louder than any written record. Grab your dental floss of curiosity and let’s pull apart these fascinating findings, one tooth at a time.
10 Secrets Locked: Unveiling Dental Mysteries
10. The Real Paleo Diet
The modern Paleo craze touts a low‑carb, high‑protein lifestyle, but ancient teeth from Morocco’s Grotte des Pigeons tell a different tale. Researchers found that these Paleolithic peoples were actually indulging in sweet acorns, loading up on carbs well before agriculture ever took root.
Analysis of the dentition shows that over half of the individuals bore cavities—a striking 50‑plus percent—leaving only three specimens untouched by decay. This overturns the long‑standing belief that tooth decay only became prevalent after the advent of farming around 10,000 years ago.
While the Grotte des Pigeons population might represent an outlier, earlier surveys of pre‑agricultural societies reported dental disease rates ranging from zero to 14 percent. Intriguingly, more than 90 percent of the remains are missing their front incisors, hinting that they may have been intentionally removed during ritual practices.
9. Mystery Ape Of The Ur‑Rhine
In 2017, scientists from Mainz’s Museum of Natural History announced a jaw‑dropping find: a hominid tooth dating back 9.7 million years, potentially upending the classic out‑of‑Africa narrative.
The fossil emerged from the ancient Rhine riverbed and belongs to an Australopithecus-like creature reminiscent of “Lucy.” The site, dubbed “Ur‑Rhine,” has become a fossil hotspot, yielding 25 new species over the past decade and a half.
So far, researchers have unearthed two teeth—a left upper canine and a left upper molar—from a sediment layer that stretches back ten million years. The first of these appeared in September 2016, but the team held back on publishing until a year later to verify the astonishing implications.
If confirmed, these teeth suggest that hominid relatives were roaming Europe far earlier than previously thought, predating similar African species by about four million years.
8. Secrets Of The Gunk
Earlier this year, a comparative study of dental calculus from Belgium’s Spy Cave and Spain’s El Sidron site shed fresh light on Neanderthal lifestyles. The Belgian specimens revealed a meat‑heavy diet, packed with wild sheep and woolly rhinoceros.
Conversely, the Spanish teeth painted a picture of a forest‑dwelling Neanderthal community thriving on mushrooms, pine nuts, and moss—an entirely plant‑based menu.
Researchers observed that these dietary shifts mirrored changes in the microbial communities inhabiting the dental plaque. One Spanish individual even displayed signs of self‑medication for a painful abscess, along with traces of the parasite Microsporidia.
Further analysis uncovered poplar bark—an ancient source of aspirin—and the presence of the mold Penicillium in the calculus, suggesting that this Neanderthal may have deliberately consumed rotting, mold‑laden vegetation to harness natural antibiotics, a precursor to modern penicillin.
7. Prehistoric Pollution
In 2015, a team of researchers uncovered what may be the earliest evidence of anthropogenic pollution preserved in 400,000‑year‑old dental plaque. The fossils came from Israel’s Qesem Cave, where tartar deposits contained tell‑tale traces of respiratory irritants, most notably charcoal particles from indoor hearths.
Qesem Cave is among the first sites that demonstrates regular fire use. Charred soil clumps, burnt bones, and a 300,000‑year‑old hearth all point to a long‑standing relationship between these early humans and controlled combustion.
While the consensus holds that fire was first harnessed roughly a million years ago, the exact timeline for routine cooking remains hazy. The Qesem evidence pushes the regular use of fire back at least 300,000 years.
Unfortunately, the very technology that improved nutrition also introduced a health cost: the teeth showed wear and damage consistent with chronic smoke inhalation, a stark reminder that progress can come with unintended side effects.
6. Hobbit Teeth
Discovered in 2003, the remains of an 18,000‑year‑old diminutive hominin from Indonesia’s Flores island have long intrigued scientists. Dubbed “hobbits,” these tiny bodies sparked debate: were they deformed modern humans or a distinct species, Homo floresiensis?
In 2015, a comparative dental analysis showed that the hobbit’s teeth most closely resembled those of Homo erectus, suggesting an evolutionary link between the two.
Islands often drive extreme dwarfism; on Flores, the ancestors of the hobbits—likely a population of H. erectus—shrank dramatically. Between 95,000 and 17,000 years ago, average stature fell from roughly 165 cm (5 ft 5 in) to just 110 cm (3 ft 7 in), while brain volume dropped from about 860 cc to 426 cc.
These pint‑sized hominins survived well into the era of modern humans, potentially representing the last non‑human hominin species before disappearing, much like the dodo.
5. The Chompers Of Chaucer’s Children
In 2016, a team employed three‑dimensional microscopic imaging on the teeth of 44 children, aged one to eight, interred at St. Gregory’s Priory and Cemetery in Canterbury. These youngsters lived between the 11th and 16th centuries.
The analysis revealed that most children were weaned around their first birthday. Their early diet consisted of simple fare: pap, a thin porridge, and a broth‑like bread soup known as panada.
Notably, fruits and vegetables were largely absent from their meals. While the diet was bland, the lack of refined sugars meant these medieval kids suffered far less tooth decay than today’s children.
An unexpected discovery: socioeconomic status did not influence the children’s diets. Unlike adults, where wealth dictated food variety, poor and wealthy youngsters ate essentially the same meals.
4. Prehuman Dentistry
In 2015, researchers examined teeth unearthed a century ago from Croatia’s Krapina site, uncovering evidence of dental care dating back 130,000 years. Several teeth—including a premolar and a third molar—displayed deliberate modifications.
These modifications featured grooves, enamel fractures, and scratches consistent with the use of a primitive tooth‑pick crafted from bone or grass. The uneven wear, especially on the tongue side, suggests the manipulations occurred while the individual was still alive.
The findings dovetail with other Krapina artifacts, such as ornamental eagle talons, challenging the outdated view of Neanderthals as brutish and lacking symbolic behavior.
Today, we recognize that Neanderthals responded to dental pain and aesthetic concerns much like modern humans, using tools to alleviate discomfort and perhaps even for decorative purposes.
3. Daoxian Teeth
In 2015, a team of paleoanthropologists uncovered a collection of 47 modern‑human teeth deep within China’s Fuyan Cave in Dao County. Radiometric dating places these teeth at a minimum of 80,000 years old—well before the widely accepted out‑of‑Africa migration window.
The cave also housed remains of several other species, including an extinct giant panda. No stone tools were found, leading researchers to hypothesize that a predator may have dragged the human remains into the cave.
Because the teeth were too ancient for conventional carbon dating, scientists turned to calcite deposits surrounding the fossils to estimate their age. This method pushed the timeline of human presence in East Asia back by roughly 20,000 years.
These discoveries challenge the prevailing out‑of‑Africa model, which posits that Homo sapiens spread from Africa between 50,000 and 70,000 years ago, suggesting instead that multiple waves of migration—or earlier dispersals—may have occurred.
2. Pompeii’s Lovely Teeth
In 2015, researchers harnessed CT scanning technology to peer inside the plaster casts of victims from the AD 79 eruption of Mount Vesuvius. The scans revealed that the Pompeian populace boasted remarkably healthy teeth despite the era’s lack of formal dental care.
Archaeologist Giuseppe Fiorelli originally pioneered the practice of casting the bodies in 1886, allowing for the safe transport of remains without further degradation.
Until the advent of modern imaging, only the external features of these casts were accessible, leaving the internal dental health hidden for nearly two millennia.
The CT scans uncovered that the victims’ diets were rich in fibrous vegetables and fruits, and the volcanic environment may have supplied elevated levels of fluorine in both air and water—factors that together contributed to their excellent dental condition.
1. Mediterranean Missing Link
In 2017, researchers from Germany’s University of Tübingen announced a startling find: a potential human‑chimpanzee common ancestor uncovered not in Africa, but in the Mediterranean. Dated to 7.2 million years ago, the specimen—named Graecopithecus freybergi—was recovered from sites in Greece and Bulgaria.
The discovery rests on a single tooth and a lower jawbone, both of which predate comparable fossils from the East African “cradle of humanity” by several hundred thousand years.
What makes this tooth especially intriguing is the morphology of its roots. While typical great‑ape teeth possess two to three diverging roots, Graecopithecus exhibits convergent, fused roots—a characteristic shared with early hominins and modern humans.
These findings suggest that the split between the lineages leading to humans and chimpanzees may have occurred in the Mediterranean rather than Africa, possibly driven by shifting climates that created expansive grasslands in Europe and spurred bipedal adaptations.
A leading authority on occult music, Geordie McElroy hunts spell songs and incantations for the Smithsonian and private collectors. Dubbed “the Indiana Jones of ethnomusicology” by TimeOut, he also fronts the Los Angeles‑based band Blackwater Jukebox.