Teeth Flashcards
how many incisors
6 on top, 6 on bottom
when do canines appear
ages 4-5 ( not always in mares)
how many molars
24 in total (12 on each)
what are the 4 key changes to tell age
- appearance of permanent teeth
- cups disappear
- become more angled with age
- shape of surface changes overtime
how to does the appearance of permanent teeth work
temporary incisors (milk teeth) erupt from jaw line in pairs
when do first adult molars come in
age 1
when do center molars come in
age 3
when do intermediate molars come in
age 4
when do corner molars come in
age 5
when do cups disappear
ages 6-11
what shows when cups disappear
dental star
how do teeth change with age
start straight up and down, then stand downwards unless dental work has been done
what are two environmental affects that can change teeth angle
- stabled horses appear younger
- grazing in sandy areas appear older
where does the hook appear
upper outside incisor
what age does the hook appear
age 7
when does galvaynes groove appear
age 10
when does hook come back
age 11 till 15
what age is galvaynes groove half way down
age 15
what does equine dentistry help with
abscess
balancing ramps
broken teeth
sharp edges
what does consistent dental work do to teeth
increases tooth life
relieves pain
enhances digestion
enhances performance
what are two mouth abnormalities
parrot mouth and monkey mouth
what is parrot mouth
lower jaw is too shot (over bite)
how does parrot mouth affect horses
inhibits grazing, digestion, and performance
what is monkey mouth
lower jaw is too long
which mouth abnormality is more rare in horses
monkey mouth
what are 4 factor that affect wear on teeth
- cribbing
- grazing environment
- feeder position
- bishopping
what is cribbing
places teeth on something and sucks in air
what teeth are most affected by cribbing
incisors
what grazing environment can affect wear on teeth
sandy soil
what feeding position affects wear on teeth
feeders above ground
what is bishopping
tampering with cups to make horses look younger
what are other indicators of age besides teeth
- sides of face become depressed
- poll sticks out more
- hollows above eyes
- backbone is seen easier or may sway
- white hairs appear around eyes and muzzle
