The primary teeth are identified using letters and the permanent teeth are identified using numbers with which of the following tooth numbering systems?
A)Palmer Notation System
B)Universal/National System
C)International Standards Organization (ISO) System
D)Fédération Dentaire Internationale (FDI) System

Question

Quizplus · Accepted Answer

In the Universal/National System,the primary teeth are identified using letters A to T and the permanent teeth are identified using numbers 1 to 32.
The Palmer Notation System uses brackets to identify the quadrants with letters for primary teeth and numbers for permanent teeth.
In the ISO/FDI System,the first digit indicates the quadrant,and the second digit indicates the tooth within the quadrant,with numbering from the midline toward the posterior.Permanent teeth are numbered 1 to 4 and primary teeth are numbered 5 to 8 for the first digit.
The ISO System is based on the FDI System and is used in most countries.In the ISO/FDI System,the first digit indicates the quadrant,and the second digit indicates the tooth within the quadrant,with numbering from the midline toward the posterior.

The Primary Teeth Are Identified Using Letters and the Permanent