How To Number Supernumerary Teeth

This follows the "Universal/National" system that is commonly used in the U.S.

This system is identified as code set "JP" on dental claim forms and on HIPAA standard electronic dental insurance claim transactions.

Permanent Dentition:
Supernumerary teeth, permanent dentition

Simply put, 50 is added to the tooth number that is closest to the supernumerary tooth.

Primary Dentition:
Supernumerary teeth, primary dentition

Simply put, the letter "S" is added to the tooth number that is closest to the supernumerary tooth.

Source: "Current Dental Terminology, CDT 2009 - 2010", American Dental Association

Further details can be found in the CDT manual.

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