MunichDental Academy

Tooth O (FDI 71): lower left primary central incisor

FDI tooth 71 is the lower left primary central incisor (quadrant 7): Universal O, Palmer LLA. With neighbouring teeth and the full chart.

Notation in the three numbering systems

FDI (ISO 3950)
71
Universal (ADA)
O
Palmer
┌A (LLA)
Name
Lower left primary central incisor
Tooth type
Primary central incisor
Group
Anterior tooth
Quadrant
Quadrant 7: lower left (mandibular left)
Dentition
Primary dentition

Position in the tooth chart

Tooth 55 (FDI), upper right primary second molar55Tooth 54 (FDI), upper right primary first molar54Tooth 53 (FDI), upper right primary canine53Tooth 52 (FDI), upper right primary lateral incisor52Tooth 51 (FDI), upper right primary central incisor51Tooth 61 (FDI), upper left primary central incisor61Tooth 62 (FDI), upper left primary lateral incisor62Tooth 63 (FDI), upper left primary canine63Tooth 64 (FDI), upper left primary first molar64Tooth 65 (FDI), upper left primary second molar65Tooth 85 (FDI), lower right primary second molar85Tooth 84 (FDI), lower right primary first molar84Tooth 83 (FDI), lower right primary canine83Tooth 82 (FDI), lower right primary lateral incisor82Tooth 81 (FDI), lower right primary central incisor81Tooth 71 (FDI), lower left primary central incisor71Tooth 72 (FDI), lower left primary lateral incisor72Tooth 73 (FDI), lower left primary canine73Tooth 74 (FDI), lower left primary first molar74Tooth 75 (FDI), lower left primary second molar75

Dentist's view: R = patient's right side. Every tooth in the chart links to its page.

Neighbouring teeth

Tooth 81lower right primary central incisorTooth 72lower left primary lateral incisor

Opposing tooth

Tooth at the same position in the opposite jaw, on the same side:

Tooth 61upper left primary central incisor
Open the interactive tooth chart and converter

Reference for dentists and dental students. Notation according to the FDI two-digit system (ISO 3950) and the ADA Universal Numbering System.