A tooth numbering system that always uses two numbers for each tooth is the
A) Palmer
B) Federation Dentaire Internationale (FDI)
C) Universal
D) Double Digit

Question

Quizplus · Accepted Answer

The Federation Dentaire Internationale (FDI) tooth identification system assigns each tooth, deciduous or permanent, a two-digit number. No letters or duplicate numbers are used. The first digit indicates the quadrant and whether the tooth is permanent or deciduous. The second digit identifies the tooth's position relative to the midline. Lowest numbers are closest to the midline.

A Tooth Numbering System That Always Uses Two Numbers for Each