# Tooth K (FDI 75): lower left primary second molar

> FDI tooth 75 is the lower left primary second molar (quadrant 7): Universal K, Palmer LLE. With neighbouring teeth and the full chart.

Source: https://hajto.de/en/tooth-chart/tooth-75  
Last updated: 2026-10-17T11:13:35Z  
German version: https://hajto.de/zahnschema/zahn-75.md

- **FDI (ISO 3950):** 75
- **Universal (ADA):** K
- **Palmer:** ┌E (LLE)
- **Name:** Lower left primary second molar
- **Tooth type:** Primary second molar
- **Group:** Posterior tooth
- **Quadrant:** Quadrant 7: lower left (mandibular left)
- **Dentition:** Primary dentition

## Neighbouring teeth

- [Tooth 74](https://hajto.de/en/tooth-chart/tooth-74.md): lower left primary first molar

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

- [Tooth 65](https://hajto.de/en/tooth-chart/tooth-65.md): upper left primary second 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.