DentoD
FeaturesSolutionsPricingBlogHelpContact
Comparevs OpenDentalvs Dentrixvs Curve DentalSee All
Instant Demo AccessBook a meeting
← Tooth numbering chart
Universal 18FDI 37Palmer LL7

Lower left second molar

The lower left second molar sits in the lower left (q3), in the mandibular (lower) arch. It is Universal number 18, FDI/ISO 37, and LL7 in Palmer notation.

Where it sits

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17

At a glance

Universal number
18
FDI / ISO number
37
Palmer notation
LL7
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 second molar
  • Twelve-year molar

Surfaces

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

Common procedures

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

Adjacent teeth

Previous · Universal 17 · FDI 38Lower left third molarNext · Universal 19 · FDI 36Lower left first molar

Keep exploring