
Tooth Numbering: FDI, Universal and Palmer Compared
Three tooth numbering systems are in use: Universal (1 to 32), Palmer and FDI (11 to 48). FDI is preferred because its first digit names the quadrant.
Clinical experience, misunderstood concepts and frequently asked questions. Notes from many years of practice.

Three tooth numbering systems are in use: Universal (1 to 32), Palmer and FDI (11 to 48). FDI is preferred because its first digit names the quadrant.

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