Attachment of teeth in human is called
Thecodont : Teeth embedded in the socket of jaw bones, e.g., crocodile, mammals (eg: Humans).
Acrodont : Teeth attached to free surface of jaw bones, e.g., frog, shark.
Polyphyodont : Teeth replaced many times in life, e.g., fish, frog.
Monophyodont : Teeth formed once in life time, e.g., platypus, whales.