# Tooth #3 (FDI 16): upper right first molar

> FDI tooth 16 is the upper right first molar (quadrant 1): Universal #3, Palmer UR6. With neighbouring teeth and the full chart.

Source: https://hajto.de/en/tooth-chart/tooth-16  
Last updated: 2026-10-17T11:13:51Z  
German version: https://hajto.de/zahnschema/zahn-16.md

- **FDI (ISO 3950):** 16
- **Universal (ADA):** #3
- **Palmer:** 6┘ (UR6)
- **Name:** Upper right first molar
- **Tooth type:** First molar
- **Group:** Posterior tooth
- **Quadrant:** Quadrant 1: upper right (maxillary right)
- **Dentition:** Permanent dentition

## Neighbouring teeth

- [Tooth 15](https://hajto.de/en/tooth-chart/tooth-15.md): upper right second premolar
- [Tooth 17](https://hajto.de/en/tooth-chart/tooth-17.md): upper right second molar

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

- [Tooth 46](https://hajto.de/en/tooth-chart/tooth-46.md): lower 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.