Baby teeth chart
Pick a baby tooth or tap one to see when it comes in, when it falls out and which adult tooth replaces it.
Tooth O – Lower left baby central incisor
1st baby tooth back from the middle, lower left.
- International
- 71
- Palmer
- A
- Type
- Baby incisor
- Roots
- 1
- Comes in
- 6–10 months
- Falls out
- 6–7 years
US letters (Universal)
A to T, starting with the upper right back baby tooth, going around the top, then back along the bottom.
International numbers (FDI)
51 to 85: the first digit (5 to 8) is the quarter of the mouth, the second is the tooth counted from the front.
Palmer
Letters A to E in each quarter, counted from the front, with a corner mark for the quarter.
All 20 baby teeth, by where they are
Laid out like the chart, with the age each tooth usually comes in.
Upper left
Upper right
Lower left
Letters and numbers: American Dental Association, tooth designation standard. Ages: ADA baby teeth eruption chart.