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 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.

See also ANSI/ADA/ISO Specification No. 3950 page.

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