Dentistry

Question 1

Know pics///

Answer 1

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Question 2

Maxillary sinus

Rostrally, which ones communicate? What about caudally?

Answer 2

Rostral: 08’s and 09’s communicate
Caudally: 10’s and 11’s communicate

Question 3

Trigeminal nerve has what 3 branches?

Answer 3

1. maxillary (sensory only)
2. Mandibular (sensory and motor)
3. Ophthalmic (sensory only)

Question 4

Dental formula of foals/deciduous teeth:

Answer 4

3 0 3 / 3 0 3 = 12

Question 5

Dental formula of adults/permanent teeth:

Answer 5

3 1 3 (4) 3 / 3 1 3 3 = 20(21)

Question 6

01 incisors erupt when? What about 02’s incisors? And 03 incisors?

Answer 6

01 at 2.5 years
02 at 3.5 years
03 at 4.5 years

Question 7

In wear occlusal surface features at __ years for middle, __ years for intermediate, and __ years for outer

Answer 7

3;4;5

Question 8

cup gone at ages __-__

Answer 8

6-8 years of age

Question 9

more of an angle means older or younger horse?

Answer 9

older

Question 10

Birth to two years-

Answer 10

Incisor malocclusions (brachynathism –like Mac–or prognathism aka underbite)
Campylorrhinus lateralis esp. in arabians
Crowded deciduous incisors (blind wolf teeth)

Question 11

what are the dental complications that may be seen in a horse that is 2-5 years:

Answer 11

Eruption problems (retained caps, impacted cheek teeth, eruption cysts or pseudocysts, canine tooth impaction) 
Several reports of complex odontomas in 2-4 year old horses

Odontoma is a begin tumor related to tooth development

Question 12

5-20 years:

Answer 12

Infundibular caries
Occlusal deviations
Mandibular teeth do not have infundibula, but they can still develop “peripheral caries”
Rostral infundibulum of maxillary teeth incompletely filled with cementum–>predisposes to caries
Occlusal deviations (wave, sheer mouth, step)

Question 13

My horse has occlusal deviations (a wave, step, sheer). what is the age range?

Answer 13

5-20 years old

Question 14

over 20 years:

Answer 14

tooth displacement, overgrown teeth cracked/broken teeth, EOTRH
((EOTRH means Equine Odontoclastic Tooth Resorption and Hypercementosis))

Question 15

horse needs floating when maxillary teeth are taller on ___ side and mandibular teeth are taller on ___ side

Answer 15

buccal; lingual

Question 16

my horse has retained caps and some impacted cheek teeth, how old is he?

Answer 16

2-5 years

Question 17

are pseudocysts normal?

Answer 17

Yes, eruption bumps of jaw remodeling and goes away with time, abn only if it creates a draining tract

Question 18

___ ____ of maxillary teeth are incompletely filled with cementum which makes them predisposed to ____

Answer 18

Rostral infundibiulum; caries (cavities)

Question 19

Mandibular teeth do not have _______ but they can still develop what??

Answer 19

infundibula; “peripheral caries”

Question 20

Name this disease/ condition:
Rare disease seen in horses over 20 where you have lysis around canine roots, cementum lays down and you have to extract the tooth and cementum, very painful

Answer 20

EOTRH (Equine Odontoclastic Tooth Resorption and Hypercementosis)