Answer :
i) This type of dentition in man is known as heterodont dentition. They have 2 sets of teeth throughout their life span (milk teeth and permanent teeth) and 4 kinds of teeth- incisors, canines, molars and premolars.
ii) b) Canines
Dental formula is defined as an expression of number of teeth of each type in one half of upper and lower jaw. Dental formula of a mammal is 2123/2123. Incisors-2, canines-1, Premolars-2, Molars-3 in each half of upper and lower jaw.
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