Tooth 65 (FDI): maxillary left primary second molar
Quick answer
- Tooth 65 in FDI is Universal J and Palmer ULE: the maxillary left primary second molar.
The three numbers
| System | Number |
|---|---|
| FDI | 65 |
| Universal | J |
| Palmer | ULE |
About this tooth
- Name
- Maxillary left primary second molar
- Set
- Baby (primary)
- Position
- Upper arch, patient left (upper left, quadrant 6)
- Erupts
- 25 to 33 months
- Sheds
- 10 to 12 years
- Roots
- 3
- Crown surfaces
- Mesial, distal, buccal, palatal (lingual) and occlusal.
- Also written
- Letter J (Universal), 6.5 (FDI with a dot), upper left E
Read on 23 October 2026. Sources: American Dental Association, Tooth development charts (primary and permanent); Kim and others, Root and Canal Morphology of Maxillary Primary Molar using CBCT and 3D CT, Journal of the Korean Academy of Pediatric Dentistry 2021; 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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