FDI World Dental Federation Notation - Table of Codes

Table of Codes

FDI Two-Digit Notation
Permanent teeth
upper right upper left
18 17 16 15 14 13 12 11 21 22 23 24 25 26 27 28
48 47 46 45 44 43 42 41 31 32 33 34 35 36 37 38
lower right lower left
Deciduous teeth (baby teeth)
upper right upper left
55 54 53 52 51 61 62 63 64 65
85 84 83 82 81 71 72 73 74 75
lower right lower left

Codes, names, and usual number of roots:

  • 11 21 51 61 maxillary central incisor 1
  • 41 31 81 71 mandibular central incisor 1
  • 12 22 52 62 maxillary lateral incisor 1
  • 42 32 82 72 mandibular lateral incisor 1
  • 13 23 53 63 maxillary canine 1
  • 43 33 83 73 mandibular canine 1
  • 14 24 maxillary first premolar 2
  • 44 34 mandibular first premolar 1
  • 15 25 maxillary second premolar 1
  • 45 35 mandibular second premolar 1
  • 16 26 54 64 maxillary first molar 3
  • 46 36 84 74 mandibular first molar 2
  • 17 27 55 65 maxillary second molar 3
  • 47 37 85 75 mandibular second molar 2
  • 18 28 maxillary third molar 3
  • 48 38 mandibular third molar 2

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