Anti-Aging Drugs Reversed Tooth Decay and Wisdom Teeth Were the Key

Recent research suggests that wisdom teeth, often discarded after extraction, may contain both an anti-aging mechanism and a personal stem cell reserve. A May 2026 study in Stem Cell Reports from Sichuan University identified a stem cell protein that vanishes from teeth as they age, making them more prone to decay. The researchers were able to restore dentin formation and pulp health in aged mice using senolytic drugs, which are already being studied for their anti-aging effects. While the findings are early and based on mouse models, they reframe wisdom tooth tissue as biologically informative. The pulp inside wisdom teeth contains mesenchymal stem cells that scientists have already used to grow neurons, heart muscle, and bone in labs. A small number of private companies now offer to cryopreserve these cells at the time of extraction.