The Camphor Mono Chlorophenol is an active disinfectant for the treatment of infected root-canals & periapical infections. Following a pulpectomy: insert 1 or 2 of the preparation into the root-canal and allow a few minutes for it to take effect. Remove any excess solution with a cotton pellet or an absorbent paper point. Camphor used to be made by distilling the bark and wood of the camphor tree. Today, camphor is usually manufactured from turpentine oil. Camphor Mono Chlorophenol is very useful.