they are numbered 1 – 16 on the top (starting on your upper right) and 17 – 32 on the bottom (starting on your lower left). your wisdom teeth are numbered 1, 16, 17, and 32.
do we lose all 20 primary (baby) teeth?
yes, we lose all 20 of our primary teeth by about the age of 12 or 13. by this age, most people will have all of their permanent teeth (with the exception of wisdom teeth).
do we lose our “baby” molars?
yes. we get our first primary molars around 12 – 19 months and then our second primary molars around 23 – 33 months (upper and lower teeth vary). most 