Dental Formula + Dentition Questions

What is the dental formula of a dog? (I : C : P : M)

3/3 : 1/1 : 4/4 : 2/3

What is the dental formula of a Puppy? (I : C : P : M)

3/3 : 1/1 : 3/3 : 0/0

How many teeth does an adult dog have?

42

What is the dental formula of a cat? (I : C : P : M)

3/3, 1/1, 3/2, 1/1

What is the dental formula of a kitten? (I : C : P : M)

3/3, 1/1, 3/2, 0/0

How many teeth does an adult cat have?

30

What is the dental formula of a Myomorph?

1/1, 0/0, 0/0, 3/3

How many teeth should a mouse or rat have?

16

What is the dental formula of a Hystricomorph? (I : C : P : M)

1/1, 0/0, 1/1, 3/3

How many teeth should an adult guinea pig have?

20

What is the dental formula of an adult ferret? (I : C : P : M)

3/3/, 1/1, 3/3, 1/2

What is the dental formula of a Ferret kitten? (I : C : P : M)

4/3, 1/1, 3/3, 0/0

How many teeth does an adult ferret have?

34

Describe the incisors of rodents

Open rooted (Aradacular), continuously growing incisor teeth (Elodont) with hard enamel on one side (rostral) and softer dentine that wears more quickly, resulting in chisel shape forming

What is the Lower to Upper incisor crown ratio in myomorphs?

3:1 (normal to have lower incisors that look considerably longer than upper incisors)

Compare the molars of myomorphs to Hystricomorph

Myomorph molars are Anelodont, they grow for a short period then cease erupting. Meaning that molar overgrowths are not a clinical issue.

Hystricomorph, premolars and molars are elodont. Continue to erupt throughout the life of the animal. Dental disease common.