Tooth 16 (FDI): maxillary right first molar
Quick answer
- Tooth 16 in FDI is Universal 3 and Palmer UR6: the maxillary right first molar.
The three numbers
| System | Number |
|---|---|
| FDI | 16 |
| Universal | 3 |
| Palmer | UR6 |
Careful with plain numbers: Universal 16 is a different tooth, the maxillary left third molar (FDI 28).
About this tooth
- Name
- Maxillary right first molar
- Set
- Adult (permanent)
- Position
- Upper arch, patient right (upper right, quadrant 1)
- Erupts
- 6 to 7 years
- Roots
- 3
- Root canals
- 3 or more
- Crown surfaces
- Mesial, distal, buccal, palatal (lingual) and occlusal.
- Also written
- #3 (Universal), 1.6 (FDI with a dot), upper right 6
Read on 23 October 2026. Sources: American Dental Association, Tooth development charts (primary and permanent); Number of roots and canals, from Ingle's Endodontics; Dental anatomy, citing Ash and Nelson, Wheeler's Dental Anatomy, Physiology and Occlusion. Ages and counts are usual figures, and teeth vary from person to person.
On the chart
Teeth next to it
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