Transcript Equine Teeth (Part 1)

Equine Teet
Topic: 3204J
By: Anna Fields
Terminology
Mandible: lower jaw bone
Maxilla: upper jaw bone
Caudal: towards the back
Rostral: towards the front
http://www.lovehealth.co.uk/sale/skull.htm
Table: Grinding surface of teeth
Continuous Growth

Horses get 2 sets of teeth

Milk OR Deciduous teeth
 Sometimes

called caps
Permanent teeth
http://www.hanne.com/teeth-photos.htm
Horses teeth continually grow or erupt.
 Teeth are worn down when horses grind
and chew food.

The Skull & Teeth
http://www.hanne.com/teeth-anatomy.html
Incisors
Front teeth used to grab
and rip off grass while
grazing
 12 total (6 in upper jaw & 6 in

lower jaw)

Incisor used for ageing
the horse
http://www.hanne.com/teeth-anatomy.html
Incisors

Central OR Medial Incisor


Intermediate Incisor


I1
I2
Corner OR Lateral Incisor

I3
http://www.hanne.com/teeth-anatomy.html
Premolars
The first 3 (most rostral)
grinding teeth
 12 total (3 on each side of

the lower and upper jaw)
1st Premolar (PM2)
 2nd Premolar (PM3)
 3rd Premolar (PM4)

http://www.hanne.com/teeth-anatomy.html
Wolf Teeth

The wolf tooth is also technically
a premolar, but it is a very small
tooth and not a grinding tooth.
http://www.hanne.com/teeth-photos.htm
A horse may
have 0-4
wolf teeth

Wolf Tooth (PM1)

Wolf teeth are often pulled out
because the bit rests too closely
to them when a horse is being
ridden which can cause pain or
discomfort.
http://www.hanne.com/teeth-anatomy.html
Wolf Tooth


This picture is an
excellent view of
the wolf tooth
indicated by the
yellow arrow.
The blue arrow
points to a new
permanent tooth
erupting and
pushing a “cap”
out of its way.
http://www.crossroadsequinedentistry.com/article-wolf.htm
Molars
The 3 most caudal
grinding teeth
 12 total (3 on each side of

the lower and upper jaw)
1st Molar (M1)
 2nd Molar (M2)
 3rd Molar (M3)

http://www.hanne.com/teeth-anatomy.html
Canine Teeth

Usually in males only

Up to 4 total
Used in the wild during fights
 Canine Teeth OR Tushes

http://www.crossroadsequinedentistry.com/what.htm
http://www.hanne.com/teeth-anatomy.html
Interdental Space

Space between incisors &
premolars

Place where the bit rests in
horses mouth

Location of the bars of the
mouth

Bars are the hard surfaces
created by the jaw bones
http://www.hanne.com/teeth-anatomy.html