Vertuccis type III canal configuration is represented as: (A) 1/2/2001, (B) 2/1/2002, (C) 1-Feb, (D) 1-2-1-2
Answer is A. Type I…1; type II….2-1; Type III 1-2-1; type IV …2; type V..1-2, Type vi…2-1-2, type VII..1-2-1-2; type VIII…3