Grey seals usually only have 1 to 2 babies at a time. On the east coast grey seals have their pups in the autumn. On the west coast these seals have their pups in the winter. The pups only stay with their mother for the first month of their life and then venture off on their own.
Seals use their teeth for opening food items like for example, clams or look up their other crustacean food sources that have hard shells. Anyway seals usually have many different sets of teeth. And to add to that they are very sharp too.