Tooth #16 – Upper left wisdom tooth
8th tooth back from the middle, upper left.
- International
- 28
- Palmer
- 8
- Type
- Molar
- Roots
- 3
- Canals
- usually 3
- Comes in
- 17–21 years
The last tooth at the very back of the upper left row, behind the second molar.
- In front: #15 upper left second molar
- Behind: nothing. It's the last tooth in the row.
- Same tooth on the other side: #1 upper right wisdom tooth
- Bites against: #17 lower left wisdom tooth
None. Adult molars come in behind the baby teeth instead of replacing one.
Usually three roots (1–5) and usually three canals (1–6).
Upper wisdom teeth: roots, canals and the studies behind the counts →
This tooth is #16 in the US and 28 in the international (FDI) system, where the 2 means the upper left quarter and the 8 is its place counting from the front.
In the international system, 16 is the upper right first molar (#3).
And in the US, #28 is the lower right first premolar.
American Dental Association 2024; Harris 2005; American Dental Association 2012. Full titles are on the About page.