Permanent Dentition

Question 1

What is the correct notation for the mandibular left permanent canine?

A.
UL3/23
B.
UR3/13
C.
LL3/33
D.
LR3/43 l.

Answer 1

C.
LL3/33

Question 2

What are the functions of the incisors with regards to food?

A.
Tearing and chewing

B.
Grinding and chewing

C.
Crushing and grinding

D.
Slicing and cutting

Answer 2

D.
Slicing and cutting

Question 3

At what age do the permanent mandibular central incisors generally erupt?

A.
4-5 years

B.
6-7 years

C.
7-8 years

D.
8-9 years

Answer 3

B.
6-7 years

Question 4

Which permanent anterior tooth is likely to have the greatest degree of variation?

A.
mandibular lateral incisor

B.
maxillary central incisor

C.
mandibular central incisor

D.
maxillary lateral incisor

Answer 4

D. maxillary lateral incisor

Question 5

What is the function of the canines?

Answer 5

gripping and tearing

Question 6

Approximately which age do the permanent maxillary canines erupt in the mouth?

Answer 6

11-12 years

Question 7

The crowns of the maxillary canines appear slightly more yellow than the other teeth. Why?

Answer 7

Due to a greater bulk of dentine

Question 8

The crown appears to lean distally. Poorly defined/no cingulum. Which permanent anterior tooth is this?

Answer 8

Mandibular canine

Question 9

What is the correct notation of the maxillary right permanent canine?

A.
UR3 / 13

B.
UL3 / 23

C.
LR3 / 43

D.
UR3 / 23

Answer 9

A.
UR3 / 13

Question 10

How many fossae are present on the occlusal surfaces of the canines?

Answer 10

2

Question 11

The mandibular canines can sometimes be seen to have a bifurcated root

True or false

Answer 11

True

Question 12

The permanent mandibular central incisor is the widest anterior tooth

True or False

Answer 12

The widest permanent anterior tooth is the maxillary central incisor

The correct answer is ‘False’

Question 13

What are the correct notations of the permanent mandibular left second incisor?

Answer 13

LL2 / 32

Question 14

What is the function of the premolars?

Answer 14

Tearing and crushing

Question 15

Select the correct notations fot the mandibular right second premolar

Answer 15

LR5 /45

Question 16

At what age does the maxillary first premolar erupt?

Answer 16

10-11 years

Question 17

There is a distinct depression on the mesial surface; there are 2 roots. Which tooth is this?

Answer 17

Maxillary first premolar

Question 18

Name the groove found on the mesial surface of the maxillary first premolar

Answer 18

Canine fossa

Question 19

How many cusps might the mandibular second premolar have?

Answer 19

2-3 cusps

Question 20

At which age approximately, does the mandibular first premolar erupt?

Answer 20

10-12 years

Question 21

Select the correct notations for the maxillary left first premolar

Answer 21

UL4 /24

Question 22

What is the name of the triangular ridge that runs across the occlusal surface of the maxillary molars?

Answer 22

oblique ridge

Question 23

The function of the molars is to crush, grind and chew

True or False

Answer 23

True

Question 24

At what age does the maxillary second molar erupt?

Answer 24

12-13 years

Question 25

Which tooth has a ‘Y’ shaped fissure pattern occlusally?

Answer 25

Mandibular first molar

Question 26

Where is the Cusp of Carabelli usually found?

Answer 26

The Cusp of Carabelli is found on the mesio-palatal surface of the maxillary first molar

Question 27

Which molars erupt at 6-7 years of age?

Answer 27

Mandibular and maxillary first molars

Question 28

The mandibular second molar has a cross shaped fissure pattern occlusally

True or False

Answer 28

True

Question 29

How many cusps does the mandibular forst molar have?

Answer 29

5