If you’ve been living with an incomplete smile or relying on dentures because of missing teeth, you may no longer have to. Japanese scientists are developing an innovative drug that could allow humans to regrow teeth, bringing new hope to millions of people.
According to Popular Mechanics, the key to this breakthrough drug is to inhibit a protein called “uterine sensitization-associated gene-1” (USAG-1). Studies have shown that USAG-1 hinders the natural growth of teeth, and inhibiting this protein through antibodies may reactivate the tooth development mechanism.
Researchers from Kyoto University and the University of Fukui have achieved positive results in experiments on ferrets and mice. “We have confirmed that inhibiting USAG-1 helps regenerate teeth, but whether it is sufficient to achieve this in humans requires further verification,” said Dr. Masaru Takahashi, the leader of the study. He also mentioned that ferrets have similar tooth structure to humans, making them a suitable experimental animal.
Excitingly, past studies have also suggested that humans may have a third row of teeth in the budding state in the mouth. Dr. Takahashi believes that these “sleeping” tooth germs may be activated by drugs to promote their development into normal teeth.
According to Dentistry Today, the first phase of the clinical trial plans to recruit 30 male participants aged 30 to 64, each missing one tooth. If the initial trial is safe and effective, it will be expanded to younger children with more severe tooth loss in the future, especially those aged 2 to 7 who are missing at least four teeth.
The research team hopes that this tooth regeneration therapy will be available around 2030, bringing a more natural and long-term solution to countless patients around the world.