The typical amount of teeth an infant would have is 20. These teeth are known as deciduous teeth.
An infant's gums and, later, teeth should be kept clean by wiping them with a moist cloth or a soft toothbrush
Newborn infants have no teeth.
at first none then over time they gain more and more, after time they will loose a few and grow them back
the deciduous teeth starts erupting from 6 months and continue till twenty five to thirty three months of age.