equine 3

Question 1

when should retained deciduous cheek teeth be removed?

Answer 1

only if they’re loose

2-5 years old

Question 2

valve vs open diastema

Answer 2

valve= space near gum is wider than near occlusal surface, more likely to catch food

open= equal width

Question 3

which teeth are most affected by diastema

Answer 3

caudal mandibular cheek teeth

Question 4

tx for diastema

Answer 4

remove food and odontoplasty

+/- diastema widening and packing OR extraction

Question 5

dietary management of diastema

Answer 5

switch out long fibers. add milled grass/alfalfa.

encourage grazing

Question 6

what is chaff? do you want it in diastema diet?

Answer 6

short chopped hay/fiber

no

Question 7

supernumary cheek teeth is when you have more than ___ in a row. do you need to extract?

Answer 7

6
depends (may just need to remove overgrowth)

Question 8

periodontal dx in horses c.f. dogs/cats?

Answer 8

initiated in interdental spaces due to feed entrapment (not caused by biofilm )

Question 9

once PD develops, what happens to horse chewing?

Answer 9

moves from horizontal to vertical

*cycle of inflammation and PD tissue degradation

Question 10

what is dental carries? 2 types?

Answer 10

demineralization of cementum.

infundibular and peripheral.

Question 11

infundibular caries arises from

Answer 11

developmental disorder where incomplete filling of infundibula cementum

Question 12

signs that you need to start restoration for infundibular caries

Answer 12

dark staining around infundibular enamel

Question 13

peripheral caries arise from

Answer 13

feeding high water soluble carbs

Question 14

tx for peripheral caries

Answer 14

chlorhex rinse mouthwash

Question 15

tx for traumatic cheek tooth issues

Answer 15

AB –> extraction if needed

Question 16

which teeth most commonly gets cheek tooth fracture? what type of fracture?

Answer 16

maxillary (09s)

buccal slab fracture (1st and 2nd pulp chambers)

Question 17

slab vs sagittal fracture

Answer 17

slab = outter pulp chambers

sagittal = thru infundibula (center)

Question 18

why only extract loose bit of tooth, not whole thing?

*extract if sagittal midline fracture

Answer 18

prevent drifting of other teeth

Question 19

signs of periapical infection of cheek teeth

Answer 19

swelling, nasal discharge, pus tracts

Question 20

what is anachoresis

Answer 20

blood/lymph infection of apical pulp

Question 21

who usually gets anachoresis

Answer 21

young horses w recent permenant tooth eruption (gets inflammed –> more susceptible)

Question 22

indications for tooth extraction

Answer 22

Apical infeciton
Sagittal fracture
Retained deciduous
Loose
Impacted
Overgrowth causing trauma

Question 23

sedation for extraction?

Answer 23

Bolus + CRI of alpha 2 agonist

Question 24

nerve blocks for cheek teeth

Answer 24

maxillary or mandibular

Question 25

nerve blocks for inciro

Answer 25

infraorbital or
mental

Question 26

what is extraction per os

Answer 26

Should be attempted first
Breakdown of periodontal ligament

Question 27

how to do extraction per os

Answer 27

1. elevator for ligament
2. Molar spreaders between
3. Rotational pressure w forceps until squelching
4. Place fulcrum, apply gentle pressure to pull tooth out
5. Pack top 2/3 of space (allow granulation from bottom)

Question 28

If crown if fractured (so cannot grab w forceps), what extraction technique?

Answer 28

minimally invasive transbuccal –> repulsion (hammer from other side)

Question 29

with acute pulp exposure, perform a pulpotomy, where remaining healthy pulp is capped with ____ to induce production of _______.

Answer 29

calcium hydroxide

tertiary dentine

Question 30

when do to pulpectomy

Answer 30

when there is devitalized tissue in pulp canal. surrounding dentine must still be intact