This article was originally published on Undark. When a dentist told Corrine Rivera that her 7-year-old daughter needed a baby root canal at her routine checkup, Rivera didn’t understand that ...

Dr. Christen Simpson from Simpson Dental stopped by First Look at Four to walk us through the process of a Root Canal.

They have extra training that helps them diagnose and treat tooth pain and perform root canals, a special procedure designed to save an infected or decayed tooth.

Erie's lack of endodontists worsened during the COVID-19 pandemic when two of them retired, leaving Pat DeMarco as the only one still practicing.