Tooth numbering


(1) is the patient’s upper right molar and follows around the upper arch to the upper left third molar (16), descending to the lower left third molar (17) and follows around the lower arch to the lower right third molar (32). The Universal/National System is used primarily in the United States whereas the International Standards Organization System is used in most other countries. (American Dental Association “Current Dental Terminology Third Edition, 1999).

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    Pain in the tooth or gum. The most common cause of a toothache is a cavity or an injury to a tooth that exposes the pulp, which is heavily supplied by nerves.


Disclaimer: Tooth numbering definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.