Chapter 18 Of Dental Anatomy Primary Dentition

Front 1

Calcification of the primary teeth begins in utero at time period?

Back 1

13 to 16 weeks.

Front 2

True or False. There are usually primary teeth visible in the oral cavity at birth.

Back 2

false

Front 3

Which permanent teeth are the first to erupt; beginning of mixed dentition period?

Back 3

permanent mandibular first molars

Front 4

How many years does it take for completion of primary dentition?

Back 4

2 to 3 years

Front 5

Primate spaces are mainly involved between primary maxillary lateral incisor and what teeth?

Back 5

primary maxillary canines

Front 6

Primate spaces are also mainly involved between primary mandibular canines and what teeth?

Back 6

primary mandibular first molars

Front 7

What surface of primary teeth may show significant attrition?

Back 7

masticatory surfaces

Front 8

A child's first dental appointement should occur within what age?

Back 8

6 months and no later than 12 months of age.

Front 9

True or False: Primary maxillary central incisors have no mamelons.

Back 9

true

Front 10

True or False: Rarely, primary maxillary centrals have developmental depressions.

Back 10

true

Front 11

Which primary mandibular incisor has a more developed cingulum?

Back 11

laterals

Front 12

True or False: Primary molars appear to have no root trunks because the roots branch immediately from the base of the crown.

Back 12

true

Front 13

Which primary molar usullay has a fifth cusp?

Back 13

seconds (A and J)

Front 14

True or False: Shedding of primary teeth is an intermittent process, with resorption of the dental tissues being followed by apposition.

Back 14

true

Front 15

Which primary tooth most closely resembles the form of the permanent maxillary first molar?

Back 15

seconds (A and J)