Comparative teeth

Question 1

the presence of a set of teeth with different morphologies is called

Answer 1

heterodont

Question 2

Difference between hypsodont and brachydont

Answer 2

h = long crown and short root
b = short crown and long root

Question 2

2 classifications of crown and root ratio

Answer 2

brachydont and hypsodont

Question 3

anelodont

Answer 3

limited period of growth
A large crown enables a lot of growth time
usually associated with hypsodont

Question 4

4 occlusal pattern morphology

Answer 4

lophodont
bunodont
selodont
secodont

Question 5

lopohodont

Answer 5

the cusps get connected by a ridge = loph
rasp to break down the material

Question 6

horses have what occlusal pattern?

Answer 6

lophodont

Question 7

secodont

Answer 7

teeth design to cut
dogs and cats

Question 8

bunodont

Answer 8

soft and round cusps

Question 9

examples of
lophodont
secodont
selodont
bunodont

Answer 9

l = horses
sc = dogs and cats
sl = ruminants
b = pigs

Question 10

equine primary dentition formula

Answer 10

3 incisors
0 canines
3 pre molars
0 molars
same in maxilla and mandibula

Question 11

equine permanent dentition formula

Answer 11

3 incisors
1 canine
3-4 pre molars
3 molars
same in maxilla and mandibula

Question 12

the wolf tooth is a

Answer 12

pre molar
may or may not be present

Question 13

how many teeths have horses?

Answer 13

40-42

Question 14

The triadan numbering system was developed based on

Answer 14

pigs

Question 15

pigs have

Answer 15

44 teeth

Question 16

t/f permanent teeth erupt slightly earlier in large breeds

Answer 16

true

Question 17

t/f eruption dates will not be affected by a growth hormone deficiency

Answer 17

false

Question 18

The first teeth to erupt in horses are

Answer 18

3 incisors

Question 19

Id1 erupts at
The cup disappears at

Answer 19

6 days
10 months

Question 20

Id2 erupts at
The cup disappears at

Answer 20

6 weeks
12 months

Question 21

Id3 erupts at
The cup disappears at

Answer 21

6 months
18-24 months

Question 22

the permanent mandibular I1 erupts at
the cup disappears at

Answer 22

2.5 yrs
6 yrs

Question 23

the permanent mandibular I2 erupts at
the cup disappears at

Answer 23

3.5 yrs
7 yrs

Question 24

the permanent mandibular I3 erupts at the cup disappears at

Answer 24

4.5 yrs 8 yrs

Question 25

the central incisor is always #?

Answer 25

1

Question 26

The following incisors are

Answer 26

2 and 3

Question 27

the canines are always

Answer 27

4

Question 28

# of pre-molars

Answer 28

5-8

Question 29

the molars are

Answer 29

9-11

Question 30

what other factors should be taken in consideration for horse aging?

Answer 30

breed feeding habits medical history

Question 31

parrot mouth

Answer 31

Skeletal deformity where the mandible is significantly shorter than the maxilla

Question 32

Incisors are specialized for

Answer 32

prehension and cutting

Question 33

Premolars and molars are specialized for

Answer 33

grinders during mastication

Question 34

Teeth in horses that are not hypsodonts

Answer 34

canines and first pre-molar

Question 35

What characteristics have the hypsodont teeth providing extra material for wear and tear?

Answer 35

Enamel extending past the gum line

Question 36

transitory tubercles

Answer 36

present on mandible retard the advance of P3 and P4

Question 37

The masticatory surface of teeth in horses is increased due to

Answer 37

folding of the enamel during development

Question 38

The folding of enamel during development results in the formation of

Answer 38

cement folding infundibula = cups

Question 39

Cups in the incisors serve for

Answer 39

indicating the horses age

Question 40

primary canine teeth usually

Answer 40

do not erupt

Question 41

if they erupt, primary canine teeth are more common in

Answer 41

males erupting at around 5 yrs of age

Question 42

adult equine mouth normally contains how many cheek teeth?

Answer 42

24

Question 43

anisognathia

Answer 43

In normal horses the distance between the maxillary arcades is wider than that between the mandibular arcades

Question 44

sharp enamel points

Answer 44

lingual edge of mandibular cheek teeth buccal edge of the maxillary cheek teeth due to angles of the occlusal surfsace of the cheek teeth

Question 45

floating

Answer 45

removal of enamel points

Question 46

criteria for estimating the age of a horse

Answer 46

eruption and wear of the deciduous incisors eruption and wear of the permanent incisors shape of the occlusal surfaces of the permanent incisors profile angle between the upper and lower incisors. diet and husbandry

Question 47

wear

Answer 47

- contact between maxillary and mandibular incisors

Question 48

Level

Answer 48

adjacent teeth at same height

Question 49

Cup

Answer 49

hollow upper segment of the infundibulum

Question 50

Enamel Ring/Spot

Answer 50

enamel of the infundibulum

Question 51

Dental Star

Answer 51

Secondary dentin laid down over pulp cavity

Question 52

characteristics of primary incisors

Answer 52

are whiter have a neck wider and shallower infundibula than their permanent successors, which erupt on their lingual aspect

Question 53

characteristics of permanent incisors

Answer 53

curved on their labial aspect spaces develop between them