<prompt> How many teeth are present in a 3 year old child?14202432  <response>: Ans. is b i.e., 20 Temporary teeth, milk teeth or deciduous teeth start appearing at about 6 months, are 20 in number: being 4 incisors, 2 canines and 4 molars in each jaw. They start shedding at about 6 years, when permanent teeth start appearing. Eruption of Primary teath is complete by 20-30 months of age. Thus, at 3 years there are 20 teeth. Permanent teeth are 32 in number: being 4 incisors, 2 canines cuspids, 4 premolars bicuspids, and 6 molars tricuspids, in each jaw. 6 permanent molars which erupt extra in each jaw without replacing any teeth are called superadded permanent teeth, while all other permanent teeth are successional permanent teeth. 