Herbivore dentistry

Question 1

Why are dental problems common in herbivores?

Answer 1

Lots of teeth in skull
Abnormal skull shapes from breeding
Teeth made up of different hardness
Herbivores fed unnatural diet
(Horses) bridals and dentition

Question 2

What is the rabbit for rabbits permanent and deciduous teeth?

Answer 2

I2/1
C0/0
PM3/2
M3/3

Question 3

What is the formula for permanent horse teeth?

Answer 3

I3/3
C1/1 or C0/0
PM 3/3 or PM4/4
M3/3

Question 4

What is the formula for deciduous horse teeth?

Answer 4

I3/3
C1/1 or 0/0
PM 3/3 or 4/4
M0/0

Question 5

What type of teeth do rabbits have? What do these terms mean?

Answer 5

Hypsodont (high crown)
Aradicular (no true root)
Elodont (continuously grow)

Question 6

What type of teeth do horses have?

Answer 6

Hypsodont (high crown)

Radicular (true root)

Question 7

At what rate do rabbit teeth erupt?

Answer 7

3-4 mm/week incisors
3-4mm/month cheek teeth
Mandibular are faster than maxillary

Question 8

At what rate do horse teeth erupt?

Answer 8

3-4mm/year

same rate as wear

Question 9

How often should rabbit teeth be examined?

Answer 9

Every 6 months but 3 months preferable

Question 10

How often should horse teeth be examined?

Answer 10

2.5-5 years = 6 mo
5-12 years = yearly
12+ = 6 mo

Question 11

What are rabbits peg teeth?

Answer 11

Secondary rudimentary incisors

Question 12

Describe a problem of a rabbit with incisor malocclusion

Answer 12

Lower incisors have sharp cutting edge maintained by contact with upper incisors
Overgrowth

Question 13

How do rabbits cheek teeth and incisors work separately?

Answer 13

Cheeks fold into diastema

Question 14

What is the Curve of Spee?

Answer 14

Curve of maxillary teeth

Question 15

What do you have to be careful of when near mandibular cheek teeth?

Answer 15

Lingual artery

Runs medial to cheek teeth

Question 16

What are tooth cutters used for in a rabbit?

Answer 16

Reduce enamel spurs

NOT reducing crown length

Question 17

Describe the eruption and shedding of rabbit deciduous teeth

Answer 17

Erupt in utero
Incisors shed at birth
Adult teeth present at 5 wks

Question 18

Horses may or may not have canines (tushes) or first premolar (wolf teeth). These can cause problems with bits so may be removed. What number teeth are tushes and wolf teeth?

Answer 18

Tushes - 04

Wolf teeth - 05

Question 19

At what age do tushes and wolf teeth erupt?

Answer 19

5 y/o

Question 20

Which teeth in horses are not elodont?

Answer 20

Wolf teeth - brachydont

low crowned

Question 21

At what age is the Curve of Spee at it’s widest in horses

Answer 21

9-10

Question 22

Maxillary teeth are wider than mandibular. This can lead to overgrowths, ulcers and abrasions on which surface of the teeth?

Answer 22

Maxillary teeth = buccal aspect

Mandibular teeth = lingual aspect

Question 23

What are 4 year old bumps?

Answer 23

Firm swellings on mandible during eruption of cheek teeth

Question 24

Deciduous teeth in horses have no molars. What is the difference between deciduous and permanent incisors?

Answer 24

Deciduous incisors are small and whiter than permanent

Question 25

What are the 4 parts to the dental exam?

Answer 25

History Extra oral Intra oral Dental charting and treatment

Question 26

What should you find out when doing history?

Answer 26

Signalment Last exam Diet Any issues/concerns

Question 27

What equipment is needed for a dental?

Answer 27

``` Gags Probes Picks Dental rasps - hand/electric Mirror/syringe etc ```

Question 28

How do you do perform an extra oral exam?

Answer 28

``` Check facial symmetry Percuss sinuses Palpate for swellings or discomfort in intermandibular space, parotid gland, submandibular lymph node, cheeks Examine dewlap (rabbits) Check lateral movement and occlusion Check lips ```

Question 29

How do you perform an intra oral exam?

Answer 29

Flush mouth out with dilute chlorhexidine or saline Rasp buccal angle of maxillary teeth before applying gag Insert gag or oral speculum Probe infundibulum and gingival sulcus Rasp mandibular teeth and maxillary teeth Fill dental chart

Question 30

At what angle should you rasp teeth? What is the aim of rasping?

Answer 30

45 degrees | Not aiming to smooth tooth completely

Question 31

Sharp points on cheek teeth are normal. What is not normal?

Answer 31

Spurs

Question 32

When probing the gingival sulcus, how many points should be probed? The gingival sulcus is a pocket if it is not more than...

Answer 32

6 5mm (horse) 2mm (rabbit)