# Tooth 32: Lower Right Third Molar

> In the Universal Numbering System, tooth 32 is the lower right third molar (mandibular right third molar). Its FDI (ISO 3950) designation is 48 and its Palmer designation is 8 in the lower right quadrant. It is a molar in the lower arch with typically 2 roots.

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Last verified: 2026-07-08

Neutral tooth-designation reference only; not clinical, diagnostic, or treatment advice. Root counts describe typical permanent-tooth morphology and vary between individuals.

## Direct answer

- Which tooth is number 32? In the Universal Numbering System, tooth 32 is the lower right third molar (mandibular right third molar). Its FDI (ISO 3950) designation is 48 and its Palmer designation is 8 in the lower right quadrant. It is a molar in the lower arch with typically 2 roots.
- Universal number: 32
- FDI / ISO 3950 designation: 48
- Palmer designation: 8 LR
- Plain-language name: Lower Right Third Molar
- Anatomical name: Mandibular Right Third Molar
- Quadrant: Lower Right
- Arch and side: lower, right
- Type: molar
- Typical roots: 2

## Conversion table

| System | Designation |
| --- | --- |
| Universal Numbering System | 32 |
| FDI / ISO 3950 | 48 |
| Palmer notation | 8 LR |
| Tooth name | Lower Right Third Molar |

## Note

Commonly called the wisdom tooth.

## Search terms

- which tooth is number 32?
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- fdi 48
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- lower right molar

## Sources

- `TOOTH-1` American Dental Association — Universal Numbering System. <https://www.ada.org/publications/ada-news/2020/november/how-to-count-teeth-numbering-systems>
- `TOOTH-2` ISO 3950:2016 — Dentistry, designation system for teeth and areas of the oral cavity (FDI two-digit). <https://www.iso.org/standard/68292.html>
- `TOOTH-3` FDI World Dental Federation — two-digit notation. <https://www.fdiworlddental.org/>

## Related

- [Full tooth numbering chart](https://dentovio.com/tools/tooth-numbering-chart/index.html.md)
- [FDI to Universal converter](https://dentovio.com/tools/fdi-to-universal-converter/index.html.md)
- [Palmer notation converter](https://dentovio.com/tools/palmer-notation-converter/index.html.md)
- [Previous tooth: Tooth 31: Lower Right Second Molar](https://dentovio.com/tools/tooth-numbering-chart/tooth-31/index.html.md)