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Tooth Anatomy Review

Total questions: 35

Worksheet time: 18mins

Name
Class
Date
1.

The correct name for teeth is

a)

Dentition

b)

Maxillary

c)

Mandibular

d)

Ccclusion

2.

The period between 6 and 12 years of age when adult and child teeth are erupting.

a)

Primary dentition

b)

Permanent Dentition

c)

Mixed dentition

d)

Deciduous period

3.

There are _____ succedaneous teeth.

a)

34

b)

22

c)

12

d)

20

4.

The human mouth is divided into two sections, or arches, called the:

a)

quadrants.

b)

maxillary arch.

c)

mandibular arch.

d)

b and c

5.

_____ are the longest teeth in the human dentition and are used for cutting and tearing.

a)

Canines

b)

Molars

c)

Lateral Incisors

d)

Central Incisors

6.

The mouth can be divided into four sections called:

a)

Arches

b)

Sextants

c)

Quadrants

d)

Dentition

7.

The area where the mesial or distal surfaces of the tooth touch the adjacent tooth in the arch is the:

a)

Embrasure

b)

Point Angle

c)

Contact area

d)

Cusp

8.

The relationship between the maxillary and mandibular teeth when the jaws are in a fully closed position is:

a)

Closure

b)

Occlusion

c)

Mastication

d)

Functional Occlusion

9.

The key to Angle’s classification system for occlusion and malocclusion is:

a)

The Premolars

b)

The 1st Molars

c)

TMJ Alignment

d)

The Primary Dentition

10.

Which tooth-numbering system is used most often in the United States?

a)

Palmer

b)

Federation Dentair

c)

International Standard

d)

Universal

11.

According to the ISO/FDI numbering system, an adult mandibular left first molar would be tooth number:

a)

19

b)

23

c)

36

d)

73

12.

The first set of primary teeth is also referred to as _____ teeth.

a)

deciduous

b)

dentition

c)

embrasure

d)

succedaneous

13.

Which permanent teeth are nonsuccedaneous teeth?

a)

Incisors

b)

Molars

c)

Premolars

d)

Cuspids

14.

Each quadrant of the permanent dentition contains _____ teeth, whereas each quadrant of the primary dentition contains _____ teeth.

a)

32; 20

b)

16; 10

c)

8; 5

d)

10; 16

15.

The posterior teeth include the _____ and the _____.

a)

canines; premolars

b)

premolars; molars

c)

incisors; molars

d)

incisors; canines

16.

Which type of tooth is not in the primary dentition but found only in the permanent dentition?

a)

Premolar

b)

Molar

c)

Canine

d)

Incisor

17.

In the Universal/National System, the primary teeth are identified using _____ and the permanent teeth are identified using _____.

a)

brackets with letters; brackets with numbers

b)

letters A to E; numbers 1 to 8

c)

numbers 1 to 32; letters A to T

d)

letters A to T; numbers 1 to 32

18.

The two tooth surfaces that are proximal surfaces are the _____ and the _____.

a)

mesial; distal

b)

labial; lingual

c)

incisal; occlusal

d)

palatal; masticatory

19.

The rounded enamel extensions on the incisal ridge of newly erupted central and lateral incisors are called:

a)

Cingulum

b)

Mamelons

c)

Fossa

d)

Marginal ridge

20.

The _____ are the longest teeth in the permanent dentition and are known as the cornerstone of the dental arches.

a)

Premolars

b)

Central Incisors

c)

Lateral Incisors

d)

Canines

21.

The permanent _____ replace the primary first and second molars.

a)

first molars

b)

first and second molars

c)

premolars

d)

canines

22.

The _____ premolar has two roots.

a)

Maxillary 1st

b)

Maxillary 2nd

c)

Mandibular 1st

d)

Mandibular 2nd

23.

There are _____ molars in the permanent dentition.

a)

8

b)

4

c)

16

d)

12

24.

The universal numbers of the maxillary central incisors are.....

a)

7,8

b)

24,25

c)

8,9

d)

9,10

25.

The universal numbers of the 1st molars are..

a)

2,3,14,15

b)

5,6,12, 13

c)

3,14,19,30

d)

2,15,18,31

26.

Permanent maxillary molars have _____ roots.

a)

three

b)

two

c)

one

d)

four

27.

Maxillary molars have

a)

buccal pits

b)

4 roots

c)

OL grooves

d)

3 cusps

28.

How many cusps do all 1st molars have?

a)

2

b)

3

c)

4

d)

5

29.

Which of the following adult teeth is nonsuccedaneous?

a)

Maxillary left second premolar

b)

Maxillary right canine

c)

Mandibular left second molar

d)

Mandibular right lateral incisor

30.

The cusp of Carabelli is found on the:

a)

premolars.

b)

central incisors.

c)

maxillary first molars.

d)

maxillary second molars.

31.

The primary teeth are classified in the Universal/National System using:

a)

numbers 1 through 20.

b)

letters A through T.

c)

a number for each quadrant and a number for each tooth.

d)

numbers inside a bracket.

32.

The raised border on the mesial and distal surfaces of the lingual surface of anterior teeth is the:

a)

cingulum.

b)

fossa.

c)

marginal ridge.

d)

mamelon.

33.

A common anomaly of the maxillary lateral incisors that is characterized by the tooth being abnormally pointed or tapered in shape is called:

a)

Peg Laterals

b)

barrel laterals

c)

fused laterals.

d)

dens in dente.

34.

The maxillary second premolar differs from the maxillary first premolar in that the:

a)

cusps of second premolars are not as sharp as those of first premolars.

b)

first premolar is more narrow buccolingually than mesiodistally.

c)

lingual cusp is smaller than the buccal cusp on the maxillary second premolar.

d)

all of the above.

35.

There are ___ teeth in a quadrant of the primary dentition.

a)

5

b)

10

c)

20

d)

8