Tooth Numbering Converter
Enter a tooth number in any dental notation system and instantly see the equivalent in Universal, ISO/FDI, and Palmer formats.
Convert a Tooth Number
Conversion Result
Tooth Name
Universal (US)
ISO / FDI
Palmer
Full Permanent Teeth Chart
Click any tooth to convert it. Shaded = selected.
Upper Right Upper Left
Lower Right Lower Left
I = Incisor
C = Canine
P = Premolar
M = Molar
Quick Reference — All 32 Teeth
| Universal | FDI | Palmer | Name |
|---|
Summary
Enter a tooth number in any dental notation system and instantly see the equivalent in Universal, ISO/FDI, and Palmer formats.
How it works
- Select the notation system you are starting from (Universal, ISO/FDI, or Palmer).
- Enter the tooth number or click a tooth on the interactive dental chart.
- The converter instantly shows the equivalent in all three systems.
- Hover over any result to see the full anatomical name and quadrant.
- Use the full chart view to look up all 32 permanent teeth at once.
Use cases
- Translate tooth numbers from US patient records to international ISO/FDI format.
- Help dental students learn all three major numbering systems side by side.
- Cross-reference treatment plans received from overseas dental offices.
- Verify tooth identification when reviewing X-ray reports or referral letters.
- Quick lookup during continuing education courses that use unfamiliar notation.
- Prepare billing codes that require Universal numbering from FDI source data.
Frequently Asked Questions
Last updated: 2026-06-09 ·
Reviewed by Nham Vu