Oral Cavity

Question 1

What are the skull types?

Answer 1

Mesaticephalic
Brachycephalic
Dolichocephalic

Question 2

What is the most common skull type?

Answer 2

Mesaticephalic

Question 3

Describe mesaticephalic skulls

Answer 3

Head shape of medium proportions

In breeds such as labs, poodles, and beagles

Question 4

Describe brachycephalic skulls

Answer 4

Short, wide head
May have crowded/rotated premolar teeth
In breeds such as pugs, bulldogs, and persian cats

Question 5

Describe dolichocephalic skulls

Answer 5

Long, narrow head type
In breeds such as sighthounds and collies
Malocclusions are common in caudal mouth

Question 6

What are the tooth types?

Answer 6

Homodont

Heterodont

Question 7

What are the types of tooth development?

Answer 7

Monophyodont
Polyphyodont
Diphyodont

Question 8

What are the crown types?

Answer 8

Brachydont

Hypsodont

Question 9

What species have the brachydont crown type?

Answer 9

Dogs
Cats
Primates

Question 10

Describe brachydont crown type

Answer 10

Shorter crow:root ratio

Question 11

What species have the hypsodont crown type?

Answer 11

Horse

Cow

Question 12

Describe hypsodont crown type

Answer 12

Submerged, longer anatomical or reserved crown and comparatively short roots

Question 13

What are diphyodont teeth?

Answer 13

There are 2 sets of teeth

Question 14

What are heterodont teeth?

Answer 14

Different sizes and shapes

Question 15

What are brachydont teeth?

Answer 15

Don’t continually erupt

Question 16

Describe the 4th premolar

Answer 16

A 3-rooted tooth

Often referred to as the carnassial tooth

Question 17

How many molars are there behind the 4th premolar?

Answer 17

2

Question 18

What runs through the dental arch?

Answer 18

Palatine artery

Question 19

What is the 2nd premolar on the mandible used as a landmark for?

Answer 19

Deadening the nerve at that point to do some work at the rostral end of the mouth

Question 20

What is the canine deciduous dental formula?

Answer 20

I 3/3
C 1/1
PM 3/3
All multiplied by 2 is 28 teeth

Question 21

What is the canine permanent dental formula?

Answer 21

I 3/3
C 1/1
PM 4/4
M 2/3
All multiplied by 2 is 42 teeth

Question 22

What is the root structure of incisors, canines, and PM1 of an adult dog?

Answer 22

1

Question 23

What is the root structure for maxillary PM2 and 3 of an adult dog?

Answer 23

2

Question 24

What is the root structure of maxillary PM4 of an adult dog?

Answer 24

3

Question 25

What is the root structure of maxillary M1 and 2 of an adult dog?

Answer 25

3

Question 26

What is the root structure of mandibular PM2, 3, and 4 of an adult dog?

Answer 26

2

Question 27

What is the root structure of mandibular M1 and 2 of an adult dog?

Answer 27

2

Question 28

What is the root structure of mandibular M3 of an adult dog?

Answer 28

1

Question 29

What is the feline deciduous dental formula?

Answer 29

I 3/3 C 1/1 PM 3/2 All multiplied by 2 is 26 teeth

Question 30

What is the feline permanent dental formula?

Answer 30

``` I 3/3 C 1/1 PM 3/2 M 1/1 All multiplied by 2 is 30 teeth ```

Question 31

What premolars do cats not have?

Answer 31

First on top | First or second on the bottom

Question 32

What is the root structure of incisors and canines of an adult cat?

Answer 32

1

Question 33

What is the root structure of maxillary PM2 of an adult cat?

Answer 33

1

Question 34

What is the root structure of maxillary PM3 of an adult cat?

Answer 34

2

Question 35

What is the root structure of maxillary PM4 of an adult cat?

Answer 35

3

Question 36

What is the root structure of maxillary M1 of an adult cat?

Answer 36

2

Question 37

What is the root structure of mandibular PM3 and 4 of an adult cat?

Answer 37

2

Question 38

What is the root structure of mandibular M1 of an adult cat?

Answer 38

2

Question 39

What is the equine deciduous dental formulas?

Answer 39

I 3/3 C 0-1/0-1 PM 3/3

Question 40

What is the equine permanent dental formula?

Answer 40

``` I 3/3 C 0-1/0-1 PM 3(4)/3(4) M 3/3 All multiplied by 2 is 40-44 teeth ```

Question 41

What is the cattle/small ruminant deciduous dental formula?

Answer 41

I 0/4 PM 3/3 All multiplied by 2 is 20 teeth

Question 42

What is the cattle/small ruminant permanent dental formula?

Answer 42

I 0/4 PM 3/3 M 3/3 All multiplied by 2 is 32

Question 43

What is the swine deciduous dental formula?

Answer 43

I 3/3 C 1/1 PM 3/3 All multiplied by 2 is 28 teeth

Question 44

What is the swine permanent dental formula?

Answer 44

``` I 3/3 C 1/1 PM 4/4 M 3/3 All multiplied by 2 is 44 teeth ```

Question 45

What is occlusion?

Answer 45

Relationship of the mandibular and maxillary teeth when closed or during excursive movements of the mandible

Question 46

What is the hardest substance in the body?

Answer 46

Enamel

Question 47

What is enamel made of?

Answer 47

96% inorganic hydroxyapatite crystals, magnesium

Question 48

What is enamel formed by?

Answer 48

Ameloblasts

Question 49

What is cementum?

Answer 49

The outer covering of the root

Question 50

What is cementum produced by?

Answer 50

Cementoblasts

Question 51

What constitutes the bulk of the tooth?

Answer 51

Dentin

Question 52

What is dentin formed by?

Answer 52

Odontoblasts

Question 53

What is the periodontal ligament?

Answer 53

The attachment apparatus of the tooth