Tooth Number Chart is a free learning resource for dental students, dental hygiene students and patients who want to understand how teeth are numbered.
We cover the three systems in everyday use (Universal, FDI/ISO 3950 and Palmer) for both adult and baby teeth, with an interactive chart and a practice quiz.
Accuracy
Content is based on the American Dental Association Universal Tooth Designation System and the FDI World Dental Federation / ISO 3950 standard. If you spot an error, please let us know.
Medical disclaimer
This site is for education only. It is not dental or medical advice. Always talk to your dentist about your own teeth and treatment.