The initiation of the mixed dentition period is marked by which of the following events?
A)Eruption of the adult mandibular first molar
B)Eruption of the adult mandibular central incisor
C)Loss of the primary mandibular central incisor
D)Loss of the primary first molar

Question

Quizplus · Accepted Answer

The mixed dentition period begins with eruption of the permanent mandibular first molar tooth.
The adult first molars usually erupt before the replacement of any primary teeth by succedaneous adult teeth.
The adult first molars usually erupt before the loss of any primary teeth.The primary mandibular central incisor is usually the first primary tooth to be exfoliated.
The adult premolar teeth will replace the primary first molars.

The Initiation of the Mixed Dentition Period Is Marked by Which