Dental anatomy Flashcards
What is the dental formula of the horse?
I3/3 C1/1 or 0/0 PM3/3 or 4/4 M3/3
There are no deciduous molars or canines.
Canine may or may not be present
PM1 (05), the wolf tooth, may or may not be present
When do the deciduous incisors of the horse erupt?
6days, 6 weeks, 6 months
When do the permanent incisors of the horse errupt?
2.5y, 3.5y, 4y
When are the permanent incisors of the horse in wear?
3y, 4y, 5y
When do the permanent cheek teeth of the horse erupt?
PM 2.5y, 3.5y, 4
M 1, 2, 3.5
Draw a schematic view of the equine incisor

Draw a schematic view of the equine cheek tooth
Remember usually 5 pulp horns on teeth (caudal and rostral have extras)
Infundibular are packed with food covering cementum, pulp horns are covered with dentine.

What is the curve of spee
Maxillary curvature of the tooth - not a flat plane
What teeth of the maxilla are associated with the maxillary bone?
06, 07
What teeth of the maxilla are associated with the rostral maxillary sinus?
08, 09
What teeth of the maxilla are associated with the caudal maxillary sinus?
10, 11
At what age should all SA deciduous teeth be erupted?
6 weeks old
When do permanent SA teeth erupt?
2-7 months (rostral to caudal)
Outline the dental formula of the dog.
I3/3 C1/1 PM4/4 M2/3
Outline the dental formula of the cat.
I3/3 C1/1 PM3/2 M1/1
What numbers from the triadan system are MISSING in the cat?
05 from the maxillary arcade
05 06 from the mandibular arcade
Mesial vs distal
Mesial is towards the midline
Function of enamel
Protects dentine from temperature changes
Function of dentine
Encloses the pulp cavity
Function of the gingiva
Peridontal barrier
Function of the cementum
Anchor for the periodontal ligament
Function of the periodontal ligament
Shock absorption, limited motility, innervated
Function of the pulp
Innervation, vascular, connective tissue
What is meant by the periodontal index?
Periodontal depth + gingival recession
What is the normal probing depth of the periodontal pocket of the dog?
1-3mm
What is the normal probing depth of the periodontal pocket of the cat?
0.5-1mm