National Dental Assisting Examining Board (NDAEB) Practice Exam

Question: 1 / 505

How many teeth are present in the primary dentition?

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20

The primary dentition, commonly referred to as "baby teeth" or "deciduous teeth," consists of a total of 20 teeth. This set includes 10 teeth in the upper arch (maxilla) and 10 in the lower arch (mandible). The primary dentition is made up of incisors, canines, and molars, specifically:

- 8 incisors (4 maxillary, 4 mandibular)

- 4 canines (2 maxillary, 2 mandibular)

- 8 molars (4 maxillary, 4 mandibular)

It's important for dental professionals to understand the composition and count of the primary dentition as it marks a critical phase in dental development for children, laying the foundation for the emergence of the permanent teeth that will replace them later on. The presence of 20 primary teeth is typically observed in children from around 6 months of age, with the full set usually in place by the age of 3.

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