Universal tooth 1
Tooth 1: Upper Right Third Molar
In the Universal Numbering System, tooth 1 is the upper right third molar (maxillary right third molar). Its FDI (ISO 3950) designation is 18 and its Palmer designation is 8 in the upper right quadrant. It is a molar in the upper arch with typically 3 roots.
- Universal
- 1
- FDI / ISO 3950
- 18
- Palmer
- 8
- Type
- Molar
- Arch & side
- upper, right
- Typical roots
- 3
Commonly called the wisdom tooth.
Upper right · Permanent
Upper Right Third Molar
Maxillary Right Third Molar
- Universal
- 1
- FDI / ISO
- 18
- Palmer
- 8
- Type: Molar
- Arch & side: Upper (maxillary), right
- Typical roots: 3 (varies between individuals)
- Note: Commonly called the wisdom tooth.
Full conversion table
Print / save as PDFUpper right
| Tooth | Universal | FDI | Palmer |
|---|---|---|---|
| 8 | 11 | 1 | |
| 7 | 12 | 2 | |
| 6 | 13 | 3 | |
| 5 | 14 | 4 | |
| 4 | 15 | 5 | |
| 3 | 16 | 6 | |
| 2 | 17 | 7 | |
| 1 | 18 | 8 |
Upper left
| Tooth | Universal | FDI | Palmer |
|---|---|---|---|
| 9 | 21 | 1 | |
| 10 | 22 | 2 | |
| 11 | 23 | 3 | |
| 12 | 24 | 4 | |
| 13 | 25 | 5 | |
| 14 | 26 | 6 | |
| 15 | 27 | 7 | |
| 16 | 28 | 8 |
Lower left
| Tooth | Universal | FDI | Palmer |
|---|---|---|---|
| 24 | 31 | 1 | |
| 23 | 32 | 2 | |
| 22 | 33 | 3 | |
| 21 | 34 | 4 | |
| 20 | 35 | 5 | |
| 19 | 36 | 6 | |
| 18 | 37 | 7 | |
| 17 | 38 | 8 |
Lower right
| Tooth | Universal | FDI | Palmer |
|---|---|---|---|
| 25 | 41 | 1 | |
| 26 | 42 | 2 | |
| 27 | 43 | 3 | |
| 28 | 44 | 4 | |
| 29 | 45 | 5 | |
| 30 | 46 | 6 | |
| 31 | 47 | 7 | |
| 32 | 48 | 8 |