Dentistry Flashcards
types of teeth and how many of each
incisors: 12
canine: 4
wolf teeth: 0-4
pre-molar: 12
molars: 12
job of incisors
tearing grass
T/F all horses have canine teeth
FALSE. only in males
when do wolf teeth typically get removed
between ages 3-5
Blind wolf teeth
teeth are present but wont express themselves
what is the job of the molars and pre-molars
grinding feed
space between incisors and premolars
bars
what teeth make up the cheek teeth
molars and pre-molars
deciduous teeth
baby/milk teeth
-incisors and molars
what qualifies as a junior horse
<5 yrs
T/F horses prefer rougher feed to help grind down their teeth
FALSE. they prefer softer feed
characteristics of the equine mouth
high crowned
continuously erupting teeth
dentine-hard calcium(like bone)
enamel is porcelain-like
cement-bone like tissue cushions tooth
what teeth are present at or shortly after birth
central incisors
when do middle incisors become present
4-6 weeks
when do corner incisors become present
6-9 months
T/F permanent teeth do not have a well defined neck joining root and gum
TRUE
what teeth are used to tell age
corner incisors
what time of year do deciduous teeth typically shed
fall
when will central incisors be permanent
3 yrs
by what age will the horse have all of their permanent teeth
5 yrs(usually 4.5)
when will middle incisors be permanent
3.5-4
when will canine teeth appear
4
when will corner incisors be permanent
4.5-5
T/F all states require equine dentists to have a DVM
FALSE, some just need a dentistry certification
When will wolf teeth appear
2-4
why are wolf teeth removed
they make it uncomfortable to wear a bit
shape of incisors before age 12
oval
what is the pattern of cups disappearance from incisors
bottom central-6 yrs
bottom middle-8
bottom corner-9
upper central-9
upper middle-10
upper corner-11
what are cups
pits in the center of teeth that gradually disappear with age
shape of incisors by age 17
rectangle
shape of incisors by age 23
triangular
what line appears at age 10 at the gum line
galvayne’s groove
T/F galvayne’s groove is permanent
FALSE its gone by age 30
what tooth does galvayne’s groove appear on
upper corner incisor
what factors impact tooth quality(excluding age)
maintenance
nutrition
disease
when do incisors meet
5 yrs
signs indicating teeth issues
weight loss
pain in eating(dropping food)
increased whole grain in feces
head tilted while eating
milk running from nostrils(foals)
floating
rasping down sharp edges of the molars
what are wave complexes, what causes them
long sharp teeth edges due to upper and lower jaw not being inline
what should the mouth be checked for during teeth examinations
foreign objects
tongue lacerations
hemorrhages or ulcerations
caudal hooks
overgrowth of number 11 molars(last molar) that cause chewing difficulty and can prevent closing of the mouth
periodontal pocket
space between teeth and cheek that food can get stuck in(which caused periodontal disease)
what percent of horses of all ages get periodontal disease
34%
what percent of horses over 13 yrs get periodontal disease
60%