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Universal 19FDI 36Palmer LL6

Lower left first molar

The lower left first molar sits in the lower left (q3), in the mandibular (lower) arch. It is Universal number 19, FDI/ISO 36, and LL6 in Palmer notation.

At a glance

Universal number
19
FDI / ISO number
36
Palmer notation
LL6
Quadrant
Lower left (Q3)
Arch
Mandibular (lower)
Side
Left
Tooth type
Molar
Typical roots
2
Typical canals
MB, ML, D

Also known as

  • Mandibular left first molar
  • Six-year molar

Surfaces

  • Mesial
  • Distal
  • Buccal (facial)
  • Lingual
  • Occlusal

Common procedures

  • Composite or amalgam filling
  • Crown
  • Root canal (endodontic) treatment
  • Onlay
  • Extraction

Adjacent teeth