# Tooth F (FDI 61): upper left primary central incisor

> FDI tooth 61 is the upper left primary central incisor (quadrant 6): Universal F, Palmer ULA. With neighbouring teeth and the full chart.

Source: https://hajto.de/en/tooth-chart/tooth-61  
Last updated: 2026-10-17T11:14:26Z  
German version: https://hajto.de/zahnschema/zahn-61.md

- **FDI (ISO 3950):** 61
- **Universal (ADA):** F
- **Palmer:** └A (ULA)
- **Name:** Upper left primary central incisor
- **Tooth type:** Primary central incisor
- **Group:** Anterior tooth
- **Quadrant:** Quadrant 6: upper left (maxillary left)
- **Dentition:** Primary dentition

## Neighbouring teeth

- [Tooth 51](https://hajto.de/en/tooth-chart/tooth-51.md): upper right primary central incisor
- [Tooth 62](https://hajto.de/en/tooth-chart/tooth-62.md): upper left primary lateral incisor

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

- [Tooth 71](https://hajto.de/en/tooth-chart/tooth-71.md): lower left primary central incisor

[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.