In the Universal System,#19 Refers To

Question

In the Universal System,#19 refers to
A) permanent mandibular left first molar
B) permanent mandibular left second molar
C) permanent mandibular right first molar
D) permanent mandibular left second premolar

Accepted Answer

In the Universal System the permanent mandibular left first molar is identified as tooth #19.The Universal system utilizes numbers 1-32 to identify the permanent teeth.This system begins with the maxillary right third molar as tooth number 1 and proceeds across the arch to the maxillary left third molar,tooth number 16.The system then identifies the mandibular left third molar as tooth number 17 and proceeds across the arch to mandibular right third molar,tooth number 32.