How many teeth are present in a 3 year old child?
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.
14
20
24
32
Growth, Development, and Behavior