Ans: A. Universal system(Ref: Reddy 341e p96-97, 33/e p99-100).The given system of depiction of the 32 teeth is in accordance with Universal system.Universal system:Teeth are numbered 1 to 16 from upper right to upper left, and 17 to 32 from lower left to lower right.This follows the plan advocated by American and International Society of Forensic Odontology.