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Anatomy Test #3 - Teeth
Teeth
58
Anatomy
Undergraduate 1
11/11/2010

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Cards

Term
Which species have Carnassial Teeth? What are they used for? Where are they located?
Definition
Dogs & cats have Carnassial Teeth used for shearing food. They are the Upper P4 and Lower M1.
Term
Tusks are the canine teeth of what species? Which are larger, the upper or lower tusks? Which are larger, the tusks of the male or the female?
Definition
Tusks are the canine teeth of the Pig. The lower tusks are larger than the upper tusks, and the boar has larger tusks than the sow.
Term
What species has Wolf Teeth? Where are they located? They are usually _______.
Definition
Horses have wolf teeth located at Upper P1. They are usually absent.
Term
What species has Needle Teeth? They are what type of teeth? Where are they located? Name a notable fact about needle teeth.
Definition
The Pig has needle teeth. They are deciduous teeth. They are the I3 and canines. Needle teeth are very sharp, so they are usually nipped off in newborns for the benefit of the sow during suckling.
Term
What is "Floating"? In what region does it occur?
Definition
Floating is the filing off of sharp edges/points of the horse's cheek teeth on the inside of the lower arcade and the outside of the upper arcade.
Term
Are dental problems more common in cattle or horses?
Definition
Horses
Term
What species has a full mouth of 44 permanent teeth?
Definition
Pig
Term
The dog has how many teeth total? What teeth are missing?
Definition
The dog has 42 teeth total and they are missing the Upper M3
Term
Do all dog breeds have a constant number (the same number) of teeth? If not, what breeds are the exception?
Definition
Not all breeds have a constant number of teeth because brachiocephalic breeds may be missing additional teeth
Term
Horses are ALWAYS missing which teeth? They MAY BE missing which teeth? How many permanent teeth do horses usually have (give a range)?
Definition

Horses are ALWAYS missing Lower P1.

Horses are USUALLY missing Upper P1 (Wolf Teeth).

Horses have between 36 and 42 permanent teeth.

Term
How many deciduous teeth do horses have?
Definition
24
Term
Ruminants are missing which teeth? How many permanent teeth do they have?
Definition

Ruminants are missing the Upper Incisors & Canines as well as the Upper and Lower P1.

They have 32 permanent teeth.

Term
In the ruminant, the missing upper incisors and canines are replaced with what structure?
Definition
Dental Pad
Term

Define VESTIBULAR SURFACE.

What is another name for the vestibular surface?

Definition

Vestibular Surface: the surface of the tooth facing the lips or cheek

Also known as Buccal Surface

Term
Define LINGUAL SURFACE.
Definition
Lingual Surface: surface of the teeth facing the tongue
Term

Define CONTACT SURFACE.

What are the two types of contact surfaces?

Definition

Contact Surface: surface of the tooth adjacent to the next tooth

Two types are Mesial and Distal

Term
Define MESIAL CONTACT SURFACE.
Definition
Mesial Contact Surface: surface of the tooth that faces the median plane on the incisors and faces rostrally on the canine & cheek teeth
Term
Define DISTAL CONTACT SURFACE.
Definition
Distal Contact Surface: surface of the tooth that faces away from the median plane on the incisors and faces caudally on the canine & cheek teeth
Term
Define OCCLUSAL SURFACE.
Definition
Occlusal Surface: masticatory (chewing) surface of the tooth; surface of the tooth that faces the opposite dental arch
Term
Define PROGNATHIA.
Definition
Prognathia: "overshot" or an elongated jaw/mandible
Term
Define BRACHYGNATHIA.
Definition
Brachygnathia: "undershot" or a shortened jaw/mandible
Term
What is the PERMANENT dental formula of the PIG?
Definition
2 (I 3/3, C 1/1, P 4/4, M 3/3) = 44 total
Term
What is the DECIDUOUS dental formula of the PIG?
Definition
2 (I 3/3, C 1/1, P 3/3) = 28 total
Term
What is the PERMANENT dental formula of the DOG?
Definition
2 (I 3/3, C 1/1, P 4/4, M 2/3) = 42 total
Term
What is the DECIDUOUS dental formula of the DOG?
Definition
2 (I 3/3, C 1/1, P 3/3) = 28 total
Term

What is the PERMANENT dental formula of the HORSE?

* Keep in mind teeth the horse may or may not be missing - some parts of the formula have multiple possible answers. *

Definition
2 (I 3/3, C 1(0)/1(0), P 3(4)/3, M 3/3) = between 36-42 total
Term
What is the DECIDUOUS dental formula of the HORSE?
Definition
2 (I 3/3, C 0/0, P 3/3) = 24 total
Term
What is the PERMANENT dental formula of the RUMINANT?
Definition
2 (I 0/4, P 3/3, M 3/3) = 32 total
Term
What is the DECIDUOUS dental formula of the RUMINANT?
Definition
2 (I 0/4, P 3/3) = 20 total
Term
What is the PERMANENT dental formula of the CAT?
Definition
2 (I 3/3, C 1/1, P 3/2, M 1/1) = 30 total
Term
What is the DECIDUOUS dental formula of the CAT?
Definition
2 (I 3/3, C 1/1, P 3/2) = 26 total
Term
What is the dental formula of the RABBIT?
Definition
2 (I 2/1, C 0/0, P 3/2, M 3/3)
Term
What is the dental formula of the GUINEA PIG?
Definition
2 (I 1/1, C 0/0, P 1/1, M 3/3)
Term
What is the dental formula of the RODENT?
Definition
2 (I 1/1, M 3/3)
Term
The dog has what teeth in the FIRST 3 WEEKS of life?
Definition
None
Term

By 6 WEEKS, dogs have what teeth?

By 6 MONTHS?

Definition

6 weeks: deciduous teeth

6 months: permanent teeth

Term
In the dog, the cusps are worn off what incisors at 1.5 years old?
Definition
Lower I1
Term
In the dog, the cusps are worn off which incisors at 2.5 years old?
Definition
Lower I2
Term
In the dog, the cusps are worn off which incisors at 3.5 years old?
Definition
Upper I1
Term
In the dog, the cusps are worn off which incisors at 4.5 years old?
Definition
Upper I2
Term
In the dog, the cusps are worn off which incisors at 6 years old?
Definition
Lower I3
Term

When the dog is 16 years old, what teeth are absent?

At 20?

Definition

At 16 the incisors are absent.

At 20 the canines are absent.

Term
When the horse is under 2.5 years old, it does not have which teeth?
Definition
Permanent incisors
Term
When the horse is 2.5 years old, what teeth have erupted?
Definition
I1
Term
When the horse is 3.5 years old, what teeth have erupted?
Definition
I2
Term
When the horse is 4.5 years old, what teeth have erupted?
Definition
I3
Term
The horse's I1s are "in wear" at what age?
Definition
3 years
Term
The horse's I2s are "in wear" at what age?
Definition
4 years
Term
The horse's I3s are "in wear" at what age?
Definition
5 years
Term
At what age is the cup gone from the horse's I1?
Definition
6 years
Term
At what age is the cup gone from the horse's I2?
Definition
7 years
Term
At what age is the cup gone from the horse's I3?
Definition
8 years
Term
At what age is the cup gone from the horse's Upper I1?
Definition
9 years
Term
At what age is the cup gone from the horse's Upper I2?
Definition
10 years
Term
At what age is the cup gone from the horse's Upper I3?
Definition
11 years
Term
The horse's I1 is triangular at what age?
Definition
16 years
Term
The horse's I2 is triangular at what age?
Definition
17 years
Term
The horse has rectangular teeth at what age?
Definition
18 or over
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