Tooth B – Upper right baby first molar
4th baby tooth back from the middle, upper right.
- International
- 54
- Palmer
- D
- Type
- Baby molar
- Roots
- 3
- Comes in
- 13–19 months
- Falls out
- 9–11 years
The first of the two baby back teeth (baby molars) on the upper right, just behind the canine.
- In front: C upper right baby canine
- Behind: A upper right baby second molar
- Same tooth on the other side: I upper left baby first molar
- Bites against: S lower right baby first molar
upper right first premolar (#5), which comes in after this tooth falls out at 9–11 years.
This tooth is B in the US and 54 internationally, where the 5 means the upper right quarter and the 4 is its place counting from the front.
In Palmer it's D, but in the US system D is the upper right baby lateral incisor.
American Dental Association 2024; Harris 2005; American Dental Association 2012; Tafti et al. 2023; Ozcan et al. 2016. Full titles are on the About page.