Primary Dentition

There are how many primary teeth when the primary dentition period is complete?

• 5

• 10

• 15

• 20

Each dental arch has how many primary incisors?

• 6

• 4

• 2

• 8

“Baby bottle tooth decay” is known as:

• • lingual erosion.

• • pseudostratified columnar epithelium.

• • early childhood caries.

• • lateral lingual swellings.

Which tooth usually has a cusp of Carabelli, the minor fifth cusp?

• • canine

• • incisor

• • primary maxillary second molar

• • primary maxillary first molar

The first eruption of a primary tooth occurs at an average age of:

• • 1 to 3 years.

• • 1 to 3 months

• • 6 to 10 years.

• • 6 to 10 months.

Specific interproximal spaces between primary teeth in most children are considered:

• • lateral lingual swellings.

• • primate spaces.

• • rami.

• • amelogenic.

Dental professionals sometimes note extensive wear or attrition, due to grinding, on the incisal ridges of which teeth?

• • primary incisors

• • secondary molars

• • canines

• • primary molars