A Neanderthal Tooth Reveals Ancient Dental Expertise
A recent study has uncovered evidence that a Neanderthal, living around 59,000 years ago, had a tooth drilled to treat a painful cavity. This discovery, found in a Russian cave, suggests that Neanderthals may have possessed advanced medical knowledge and an understanding of dental care long before modern humans.
The tooth was discovered in Chagyrskaya Cave, located in south-western Siberia, a site known for its rich deposits of Neanderthal fossils. The molar belonged to an adult and was found in a sediment layer dating back approximately 59,000 years. What makes this find remarkable is the presence of a deep hole in the tooth, reaching into its central cavity — the part that contains the dental pulp, which includes nerves and blood vessels.
Researchers used X-ray scanning to examine the hole and found microscopic patterns that could not have been created by natural processes. These patterns were similar to those produced when drilling with stone tools, which were commonly found in the cave. This led the team to conclude that the hole was deliberately made by a human.
Evidence of Deliberate Intervention
Professor Kseniya Kolobova, a senior author of the study from the Russian Academy of Sciences’ Institute of Archaeology and Ethnography, stated that the tooth represents the oldest known example of invasive dental treatment. She emphasized that this finding challenges the outdated perception that Neanderthals were less intelligent than modern humans.
“The impulse to treat disease and relieve suffering is not uniquely modern,” she said. “It is ancient and part of our shared hominin heritage.”
The researchers also determined that the hole must have been drilled while the individual was still alive. The edges of the hole showed signs of healing and wear, indicating that the tooth continued to be used after the procedure. The walls of the cavity displayed a distinct polish, likely caused by repeated contact with food or other materials.
This discovery is significantly older than the previous earliest example of dental treatment, which was a 14,000-year-old Homo sapiens tooth found in Italy. It shows that Neanderthals engaged in complex medical practices, including treating painful conditions such as tooth decay.
Treating a Painful Condition
Professor Kolobova explained that drilling into the pulp chamber would have helped relieve pressure and remove infected tissue, reducing pain and preventing further infection. The fact that the tooth remained functional after the procedure suggests that the individual survived the treatment.
While the procedure may have been challenging, it highlights the dexterity and skill required to perform such a task. It is even possible that the Neanderthal performed the drilling on themselves, given the complexity of the operation.
Neanderthals Practised Complex Medical Care
The study adds to growing evidence that Neanderthals were capable of providing care for injured or ill individuals. Dr. Michelle Langley, an archaeologist at Griffith University who was not involved in the study, described the drilling theory as “quite convincing.”
“This isn’t normal wear that you would get from eating,” she said. “It caught their eye because it is such an unusual thing to have, this big hole in the middle.”
Professor Kolobova believes that this discovery fundamentally reshapes our understanding of Neanderthals. It demonstrates that they had the ability to connect a painful sensation to an internal infection and develop a method to address it.
Future Research and Discoveries
Although cavities are rare among Neanderthal teeth, the researchers hope that this discovery will encourage others to look for similar evidence in other fossils. They have provided a diagnostic framework that can be applied to other specimens.
The team is also planning to investigate whether the tooth was treated further, possibly with wax or another organic material. If such residues are found, it would provide new insights into Neanderthal medical knowledge and techniques.
[map: cave]
