what is pulp devitaliser ? how and when to use it

Hear you will know about pulp devitaliser Topic cover How to use pulp devitaliser when to use pulp devitaliser where to use pulp devitaliser best pulp devitaliser is used in this video composition of pulp devitaliser lidocaine paraformaldehyde camfer parachlorophenol pulp devitaliser is used when their is pain even after using dental anesthesia