Nutrition Teeth
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)
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
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
Cow/ Sheep/ Goat: I 0/4 C 0/0 P 3/3 M 3/3 = 32
Sheep
Cattle
Goat Mediterranean islands.
Pig I 3/3 C 1/1 P 4/4 M 3/3 = 44
Pig
Horse
Horse
Humans: I 2/2 C 1/1 P 2/2 M 2/2 = 32 Look at the person next to you!
Canine: I3, C1, P1, P2, P3, P4, M1, M2
Canine
Canine
Feline: 2(I 3/3 C1/1 P 3/2 M 1/1) = 30
Feline
Digestive System: Congenital And Inherited Anomalies Of The Digestive System http://www.merckvetmanual.com/mvm/htm/bc/cat_img_20000.htm Will’s Skull Page: LIST of species featured in this website: http://www.skullsite.co.uk/lists.htm
GP The dental formula is 2(I 1/1, P 1/1, M 3/3) = 20. All teeth are open-rooted.