text: does the primary human incisors have roots?   generally, if a primary tooth exfoliates on its own (falls out) you will not see a root. the adult tooth pushes on the baby root, resorbing it, therefore allowing it to fall out. if a baby tooth is extracted, for whatever reason, you will often times be able to see the root (if it has not already been resorbed)  so to answer your question: primary teeth have roots, but when it falls out, the root will no longer be there