# Tooth #30 (FDI 46): lower right first molar

> FDI tooth 46 is the lower right first molar (quadrant 4): Universal #30, Palmer LR6. With neighbouring teeth and the full chart.

Source: https://hajto.de/en/tooth-chart/tooth-46  
Last updated: 2026-10-17T11:13:02Z  
German version: https://hajto.de/zahnschema/zahn-46.md

- **FDI (ISO 3950):** 46
- **Universal (ADA):** #30
- **Palmer:** 6┐ (LR6)
- **Name:** Lower right first molar
- **Tooth type:** First molar
- **Group:** Posterior tooth
- **Quadrant:** Quadrant 4: lower right (mandibular right)
- **Dentition:** Permanent dentition

## Neighbouring teeth

- [Tooth 45](https://hajto.de/en/tooth-chart/tooth-45.md): lower right second premolar
- [Tooth 47](https://hajto.de/en/tooth-chart/tooth-47.md): lower right second molar

## Opposing tooth (same position in the opposite jaw)

- [Tooth 16](https://hajto.de/en/tooth-chart/tooth-16.md): upper right first molar

[Interactive tooth chart](https://hajto.de/en/tooth-chart) · Reference for dentists and dental students. Notation according to the FDI two-digit system (ISO 3950) and the ADA Universal Numbering System.