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FDI World Dental Federation notation
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Everything about Fdi World Dental Federation Notation totally explained

FDI World Dental Federation notation is widely used by dentists internationally to associate information to a specific tooth.
   Developed by the FDI World Dental Federation, World Dental Federation notation is also known as ISO-3950 notation.
   Orientation of the chart is traditionally "dentist's view", for example patient's right corresponds to notation chart left. The designations "left" and "right" on the chart, however, nonetheless correspond to the patient's left and right, respectively.

Table of codes

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:
  • 12 22 maxillary lateral incisor 1
  • 42 32 mandibular lateral incisor 1
  • 13 23 maxillary canine 1
  • 43 33 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 maxillary first molar 3
  • 46 36 mandibular first molar 2
  • 17 27 maxillary second molar 3
  • 47 37 mandibular second molar 2
  • 18 28 maxillary third molar 3
  • 48 38 mandibular third molar 2

    How the codes are constructed

    Syntax:
    1 upper right
    2 upper left
    3 lower left
    4 lower right
    1 central incisors
    2 lateral incisors
    3 canines
    4 1st premolars
    5 2nd premolars
    6 1st molars
    7 2nd molars
    8 3rd molars
    Examples:
  • "13" = permanent upper right canine
  • "32" = permanent lower left lateral incisorFurther Information

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