Equine Dentistry QUIZ

Question 1

What are two ways the equine dental anatomy has uniquely evolved to their diet?

Answer 1

1. Hypsodontal
   - Continually erupting to replace the wear of the constant grinding action
2. More dentin than enamel exposed on occlusal surface of cheek to teeth
   - As it wears, the enamel forms sharp cutting surface (it doesn’t polish flat)
3. Large/developed incisors for picking/cutting grass
4. Elongated skull with large cheek teeth to maximize grinding surface for tough hay

Question 2

Define the term “points” in equine dentistry.

Answer 2

When the crowns of the teeth are worn abnormally, “points” (sharp tooth edges) can be formed that can cause wounds on the inner cheeks of the horse.

Question 3

T/F: “Wolf Teeth” are always present in every horse and must be removed at birth.

Answer 3

False

Question 4

T/F: Young horses have deciduous teeth that may retain and are referred to as “caps”.

Answer 4

True

Question 5

T/F: The majority of horses require sedation for a full oral exam.

Answer 5

True

Question 6

Please identify the structure indicated by the letter. Be specific!

Answer 6

a. Left maxillary canine tooth, 204
b. Wolf tooth, pm1, 205
c. 206, PM2, premolar
d. Incisor, 303
e. Mandible
f. Temporomandibular joint

Question 7

Match disease to correct definition

Answer 7

1 & C. Wave mouth
- Irregular occlusal surface usually centering around the 4th premolar and 1st molar.
2 & A. Step mouth
- One tooth in an arcade extends beyond the occlusal surface
3 & D. Smooth mouth
- Most grinding surface is worn away.
4 & B. Shear mouth
- Acute slope to grinding surface caused by malocclusion and narrow mandible.

Question 8

Name three clinical signs a horse with dental disease might exhibit.

Answer 8

1. Dropping food while eating
2. Lowering BCS
3. Drooling

Question 9

Define the term “floating”

Answer 9

The process of filing down tooth crowns to balance out mouth & treat abnormalities in teeth.