Geelsu Hwang of the School of Dental Medicine and colleagues are developing a smart dental implant that resists bacterial growth and generates its own electricity through chewing and brushing to power a tissue-rejuvenating light.
![](https://pci.upenn.edu/wp-content/uploads/2021/09/Geelsu_Hwang-250x300-1.jpg)
Geelsu Hwang of the School of Dental Medicine and colleagues are developing a smart dental implant that resists bacterial growth and generates its own electricity through chewing and brushing to power a tissue-rejuvenating light.