Lecture 1: Equine Dentistry Flashcards
What is the triadan number system for right upper. Then just list what hundreds number corresponds with other sections
101-103- incisors
104- canine
105- 1st premolar/wolf tooth
106-108- 2nd-4th premolars
109-111- 3 molars
Left upper: 200’s
Left lower: 300’s
Right lower: 400’s
What are hundreds used for naming deciduous teeth in each section
Right upper: 500
Left upper: 600
Left lower: 700
Right lower: 800
What type of teeth do horses have
Continually erupting hypsodont teeth
How much do young horses teeth erupt/year
4mm
What 3 things are teeth composed of
Enamel, cementum, and dentine
What is the role of enamel
Keep teeth strong
What is the softest dental tissue
Cementum
What structure of the tooth forms major structural component of equine crown
Cementum
What covers each pulp. Color is dark brown
Dentine
When does the first deciduous incisor erupt
8 days
When does the second deciduous incisor erupt
8 weeks
When does third deciduous incisor erupt
8 months
What does it mean for a tooth to be “in wear”
Occlusal surfaces are touching
When does first and second deciduous teeth become “in wear”
1 year
When does third deciduous tooth become “in wear”
2 years
When do adult central incisors erupt and when are they “in wear”
Erupt: 2.5 years
In wear- 3 years
When do adult middle incisors erupt and when are they “in wear”
Erupt: 3.5 years
In wear- 4 years
When do adult corner incisor teeth erupt and when are they in wear
Erupt: 4.5 years
In wear- 5 years
Owner calls for concern of these “bumps” on mandible of young horse. What are they
Eruption bumps- normal
When do deciduous premolars erupt
At birth or within first week
When do adult 2nd/06’s premolars erupt
3yrs
When do adult 3rd/07’s premolars erupt
3yrs
When do adult 4th/08’s premolars erupt
4 years
When do 1st/09’s molars erupt
1 year