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Primary tooth B

Tooth B: Primary Upper Right First Molar

In the Universal Numbering System, primary tooth B is the primary upper right first molar (primary maxillary right first molar). Its FDI (ISO 3950) designation is 54 and its Palmer designation is D in the upper right quadrant. It is a molar in the upper arch with typically 3 roots.

Universal
B
FDI / ISO 3950
54
Palmer
D
Type
Molar
Arch & side
upper, right
Typical roots
3
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Upper right · Primary

Primary Upper Right First Molar

Primary Maxillary Right First Molar

Universal
B
FDI / ISO
54
Palmer
D
  • Type: Molar
  • Arch & side: Upper (maxillary), right
  • Typical roots: 3 (varies between individuals)

Full conversion table

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Upper right

ToothUniversalFDIPalmer
E51A
D52B
C53C
B54D
A55E

Upper left

ToothUniversalFDIPalmer
F61A
G62B
H63C
I64D
J65E

Lower left

ToothUniversalFDIPalmer
O71A
N72B
M73C
L74D
K75E

Lower right

ToothUniversalFDIPalmer
P81A
Q82B
R83C
S84D
T85E