Permanent tooth reference
Tooth #31: Lower right second molar
In FDI notation, tooth #31 is 47. It is a second molar in the lower right part of the mouth.
Tooth #31 at a glance
- Location
- lower right
- Tooth type
- second molar
- FDI notation
- 47
- Adjacent teeth
- #30 and #32
- Opposing tooth
- #2
- Wisdom tooth
- No
What does tooth #31 identify?
Tooth #31 identifies the lower right second molar in the Universal numbering system used in the United States. It is a back tooth. Its matching FDI designation is 47.
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.