Having supernumerary teeth is also rare: The condition is found in a maximum of 3.8% of permanent teeth. The prevalence of having more than three supernumerary teeth is less than 1%, and in most of ...

A photograph supposedly showing the mouth of an adult suffering from hyperdontia (i.e., an excessive number of teeth) has been circulating online for several years. In February 2019, the Facebook page ...

Wisdom teeth do not grow back after they’ve been removed. It is possible, however, for someone to have more than the typical four wisdom teeth. These extra teeth, which can erupt after your original ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...