1. Nutrition
Teeth

2. Teeth Functions Functions of Teeth:
Increase surface area for chemical / or microbial degradation
Cutting of foodstuffs to be presented to mouth
Protective
Inflict wounds
Kill Prey
Food gathering (for carnivores)

3. Types of Teeth Incisors (I) Canines (C) Premolars (P) Molars (M)
Most forward
Used for cutting
Canines (C)
Also fangs, eye teeth, tusks
Used for tearing and separation of food mass
Premolars (P)
Just caudal to canines
Used for grinding and chewing
Molars (M)
Larger than premolars

4. Dental Formulas Represent one side of mouth Numerator = top teeth
Denominator = bottom teeth
Animals can be aged by teeth eruption and wear
Deciduous vs. Permanent Teeth

5. Cow/ Sheep/ Goat: I 0/4 C 0/0 P 3/3 M 3/3 = 32

6. Sheep

7. Cattle

8. Goat
Mediterranean islands.

9. Pig I 3/3 C 1/1 P 4/4 M 3/3 = 44

10. Pig

11. Horse

12. Horse

13. Humans: I 2/2 C 1/1 P 2/2 M 2/2 = 32
Look at the person next to you!

14. Canine: I3, C1, P1, P2, P3, P4, M1, M2

15. Canine

16. Canine

17. Feline: 2(I 3/3 C1/1 P 3/2 M 1/1) = 30

18. Feline

19. Digestive System: Congenital And Inherited Anomalies Of The Digestive System
Will’s Skull Page: LIST of species featured in this website:

20. GP
The dental formula is 2(I 1/1, P 1/1, M 3/3) = 20. All teeth are open-rooted.