Permanent tooth reference
Tooth #2: Upper right second molar
In FDI notation, tooth #2 is 17. It is a second molar in the upper right part of the mouth.
Tooth #2 at a glance
- Location
- upper right
- Tooth type
- second molar
- FDI notation
- 17
- Adjacent teeth
- #1 and #3
- Opposing tooth
- #31
- Wisdom tooth
- No
What does tooth #2 identify?
Tooth #2 identifies the upper right second molar in the Universal numbering system used in the United States. It is a back tooth. Its matching FDI designation is 17.
A treatment plan or benefit statement may use the number alone. Confirm the number with the dental office if the document is unclear; a tooth number identifies location and does not explain a diagnosis or treatment by itself.