1. TEETH NUMBERING SYSTEMS
UNCLASSIFIED//REL TO NATO/ISAF

2. OBJECTIVES
Understand the FDI (federation dentaire international) tooth numbering system
Describe how numbering systems designate arch quadrant, and tooth

3. FEDERATION DENTAIRE INTERNATIONALE (FDI)
The FDI numbering system was introduced to provide a standard international system of coding teeth.

4. FDI numbering
Permanent Teeth
Primary Teeth
Maxillary right 1 5
Maxillary left 2 6
Mandibular left 3 7
Mandibular right 4 8
The teeth within each quadrant are then numbered 1 to 8, from the midline. The primary teeth are numbered 1 to 5.

5. FDI numbering Each tooth is identified with a two-digit figure:
the first digit designates the quadrant
the second digit codes the individual tooth.
Permanent teeth
Primary teeth

6. FDI numbering By example: 63 Primary teeth Permanent teeth 46
the right permanent first mandibular molar is the tooth #46.
The left upper primary canine is the tooth # 63. 63
Primary teeth
Permanent teeth 46

7. The American numbering system
Be aware there are other systems
Most of the world uses the FDI however the United States uses the “Universal” system.
You are not required to know this system, however the following slide shows the numbering for your information only.

8. The American numbering system
Permanent teeth:
Maxillary
Mandibular

9. UNCLASSIFIED//REL TO NATO/ISAF
سوالات؟ Questions?
UNCLASSIFIED//REL TO NATO/ISAF