Dentition is a term that is used to define the set of teeth, their number, size, and arrangement. For example, human dentition is described as:
Heterodont dentition- having different types of teeth, as in incisors, canines, premolars, and molar.
Diphyodont dentition- having two sets of teeth in the life cycle as in milk teeth that are deciduous and permanent teeth that develop after the milk teeth.
Thecodont dentition- the teeth are fixed in the socket of the jaw bone.