Primary teeth

Question 1

Which dentition is less mineralized?

Answer 1

Primary dentition

Question 2

Which dentition is more worn?

Answer 2

Primary dentition

Question 3

What is the difference in space from the primary to permanent dentition?

Answer 3

2-4 mm

Question 4

If you have mamelons that remain beyond the age of 10 what does that indicate?

Answer 4

Open bite

Question 5

When is calcification of the primary roots complete?

Answer 5

3-4 yrs of age

Question 6

What is the order of eruption?

Answer 6

Central, Lateral, 1st molar, canine, 2nd molars

Question 7

T/F

Lowers usually erupt after uppers

Answer 7

False

Before uppers

Question 8

What is the exception to the eruption of lowers before uppers?

Answer 8

The upper laterals

Question 9

Where does the primate space develop in the maxillary primary dentition?

Answer 9

Between lateral and canine

Question 10

Where does the mandibular primary primate space develop?

Answer 10

Between canine and 1st molar

Question 11

What is the cause of primary spacing for the anterior teeth?

Answer 11

Growth of the dental arches

Question 12

What is the direction of the primary enamel rods in the cervical third?

Answer 12

Occlusal direction

Question 13

Primary molars have roots that are more or less divergent that permanent molars?

Answer 13

More divergent

Question 14

What does a primary molar lack?

Answer 14

Identifiable root trunk

Question 15

What is the root trunk?

Answer 15

From the CEJ to the furcation of the root

Question 16

What tooth has smallest faciolingual crown dimension?

Answer 16

Mandibular Central Incisor

Question 17

What tooth is the most bilaterally symmetrical tooth in the mouth?

Answer 17

Mandibular central incisor

Question 18

If you have delayed resorption of primary incisors where will the permanent incisors erupt?

Answer 18

Lingually to primary incisors

Question 19

What tooth exhibits a prominent cervical ridge on both the facial and lingual surfaces?

Answer 19

Primary maxillary central incisor

Question 20

From the facial view of the primary canine which slope is longer?

Answer 20

Mesio-incisal

Question 21

Where is the cusp tip of the primary canine offset?

Answer 21

Distally

Question 22

What primary tooth has a crown that appear like a permanent premolar?

Answer 22

Primary Maxillary 1st molar

Question 23

The primary maxillary 1st molar has roots that resemble what teeth?

Answer 23

Permanent maxillary molar

Question 24

Where is the cervical ridge most prominent in the primary maxillary teeth?

Answer 24

Mesiofacial surface on the Maxillary 1st molar

Question 25

What primary tooth generally has an oblique ridge?

Answer 25

Primary maxillary 2nd molar

Question 26

What is the only primary tooth that has a transverse and oblique ridge with a DL groove?

Answer 26

Primary maxillary 2nd molar

Question 27

What primary tooth exhibits the cusp of carabelli?

Answer 27

Primary maxillary 2nd molar

Question 28

What is the last primary tooth to erupt?

Answer 28

Primary maxillary 2nd molar

Question 29

What primary tooth has the most distinctly prominent facial cervical ridge?

Answer 29

Mandibular 1st molar

Question 30

On the facial view of the primary mandibular 1st molar the CEJ is most apically positioned where?

Answer 30

Mesial 1/3

Question 31

Which primary tooth exhibits a distal triangular fossa?

Answer 31

Mandibular 1st molar

Question 32

What primary tooth has the most distinct transverse ridge?

Answer 32

Mandibular 1st molar

Question 33

T/F

The primary mandibular 1st molar does not look like any permanent tooth.

Answer 33

True

Question 34

What primary tooth differs most from permanent teeth?

Answer 34

Mandibular 1st molars

Question 35

Where is the highest and sharpest cusp located on the primary mandibular first molar?

Answer 35

Mesiolingual cusp