The tooth numbering system most used in Canada and European countries is ____________.

Question

Quizplus · Accepted Answer

FDI (Fédération Dentaire Internationale) is the tooth numbering system most commonly used in Canada and European countries. The FDI system assigns a two-digit number to each tooth. The first digit represents the quadrant of the mouth (1-4), while the second digit represents the tooth within the quadrant (1-8 or 9 for third molars).

The Tooth Numbering System Most Used in Canada and European