Tooth anatomy & numbering
3D teeth with FDI, Universal and Palmer numbers, roots and canals.
Tap a tooth to see its numbers and anatomy. Drag to rotate, pinch to zoom.
FDI: the first digit is the quadrant (1 upper right, 2 upper left, 3 lower left, 4 lower right; 5–8 for primary teeth), the second digit counts from the midline. Universal: 1–32 starting at the upper right third molar; primary teeth A–T. Palmer: a quadrant bracket with 1–8 (permanent) or A–E (primary).
Name: ____________________ Date: __________
Educational material. Simplified models — always follow your faculty’s textbooks and clinical supervision.