# Tooth #20 (FDI 35): lower left second premolar

> FDI tooth 35 is the lower left second premolar (quadrant 3): Universal #20, Palmer LL5. With neighbouring teeth and the full chart.

Source: https://hajto.de/en/tooth-chart/tooth-35  
Last updated: 2026-10-17T11:13:03Z  
German version: https://hajto.de/zahnschema/zahn-35.md

- **FDI (ISO 3950):** 35
- **Universal (ADA):** #20
- **Palmer:** ┌5 (LL5)
- **Name:** Lower left second premolar
- **Tooth type:** Second premolar
- **Group:** Posterior tooth
- **Quadrant:** Quadrant 3: lower left (mandibular left)
- **Dentition:** Permanent dentition

## Neighbouring teeth

- [Tooth 34](https://hajto.de/en/tooth-chart/tooth-34.md): lower left first premolar
- [Tooth 36](https://hajto.de/en/tooth-chart/tooth-36.md): lower left first molar

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

- [Tooth 25](https://hajto.de/en/tooth-chart/tooth-25.md): upper left second premolar

[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.