In dental school, taking PAs in endodontics has been incredibly fiddly. It really puts patients through the ringer trying to catch that apex when you missed it the first time. How should we be taking PAs, how many should we be taking, can I just use my apex locator instead? These are questions we’ve been dying to have a clear answer for, and if you’ve thought the same thing this episode is for you. Joining us again is Endodontist Associate Professor Ha to help give a resolution to this.