Tooth 36 (FDI): mandibular left first molar
Quick answer
- Tooth 36 in FDI is Universal 19 and Palmer LL6: the mandibular left first molar.
The three numbers
| System | Number |
|---|---|
| FDI | 36 |
| Universal | 19 |
| Palmer | LL6 |
About this tooth
- Name
- Mandibular left first molar
- Set
- Adult (permanent)
- Position
- Lower arch, patient left (lower left, quadrant 3)
- Erupts
- 6 to 7 years
- Roots
- 2
- Root canals
- 3 or more
- Crown surfaces
- Mesial, distal, buccal, lingual and occlusal.
- Also written
- #19 (Universal), 3.6 (FDI with a dot), lower left 6
Read on 23 October 2026. Sources: American Dental Association, Tooth development charts (primary and permanent); Number of roots and canals, from Ingle's Endodontics; Dental anatomy, citing Ash and Nelson, Wheeler's Dental Anatomy, Physiology and Occlusion. Ages and counts are usual figures, and teeth vary from person to person.
On the chart
Teeth next to it
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