Formerly Diapex, DiaPex Plus is the same trusted calcium hydroxide paste with iodoform that has been used by many dentists around the world. Rated as Top 100 New Product in Dentistry Today many years in a row, DiaPex Plus is used in root canal filling therapy in temporary procedures. The addition of Iodoform to the Calcium Hydroxide improves radiopacity and adds an antibacterial agent to the paste.