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Dental notation converter

Tooth Numbering Converter

Select a permanent or primary tooth and convert it instantly between FDI, Universal and Palmer notation.

Designed for documentation and communication.

Use the converter when preparing referrals, insurance records, clinical notes or communication between practices using different tooth-numbering systems.

Select a tooth

Choose the dentition and notation system used in the source document, then select the tooth.

Dentition
Teeth are currently displayed using FDI notation.

Tooth conversion

Select a tooth to view the corresponding notation.

FDI notation — ISO two-digit designation
Universal notation — ADA Universal/National system
Palmer notation — Modified quadrant notation
Dentition —
Arch —
Quadrant —
Tooth type —

Documentation-ready conversion

Notation references: The converter uses the ISO/FDI two-digit tooth designation system, the ADA Universal/National system and modified Palmer quadrant notation. ISO 3950 , ADA dental terminology .
Clinical note: Confirm the numbering system stated in the original record before treatment, referral or extraction. The converter covers standard permanent and primary teeth and does not assign notation for supernumerary teeth, retained duplicates or other dental anomalies.