Rabbit and rodent dentistry by copello Flashcards

1
Q

Rat like rodents (mouse gerbil and hamster) due not have which group of teeth

A

Premolars their dental formula is 2(I1/1), (C0/0)(PM0/0), (M3/3)

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2
Q

Pikas are which species

A

Ochoton spp. order: lagomorphs

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3
Q

Describe the Rabbits dentition

A

Diphyodont Deciduous and permenanet teeth
Heterodont Diff shapes of I and CT

Elodont Aradicular continuously growing and erupting

Hypsodont long crowned

Duplicidentata Double row of MX I

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4
Q

Rabbits have a zygomatic process from the temporal bone T or F

A

True

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5
Q

What is the dental formula for rabbits?

A

28 teeth: ( I( 2/1), C (0/0), Pm (3/2), M (3/3) ) x2

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6
Q

Rodents have two different types of master muscles

A

Superficial and Deep master muscle they differ in closing actions and rostral caudal movements

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7
Q

Guinea pig is anisognathic with which jaw wider

A

Mandible

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8
Q

guinea pig dental formula:

A

2X (1/1 0/0 1/1 3/3)= 20

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9
Q

The guinea pig has elongation of the TMJ in what direction

A

Rostral caudal direction different than other species

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10
Q

Guinea pig has a tongue that is divided into how many parts

A

2 parts cranial and caudal and can move independently with a mucosal fold extending from the rostral portion to the mandible

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11
Q

Describe the guinea pigs teeth

A

Monophyodont
Heterodont

Elodont

Hypsodont

Simplicidentata

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12
Q

Describe the teeth of the chinchilla

A

Monophyodont
Heterodont

Elodont

Hypsodont

Simplicidentata

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13
Q

The chinchilla have what colored incisors

A

Orange from stained enamel

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14
Q

Chinchillas are anisognathic with which jaw wider

A

Mandible formula 2xI1/1,C0/0,P1/1,M3/3

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15
Q

Hampsters teeth are described as.

A

Monophyodont
Heterodont

Elodont

Anelodont bracydont (molars)

Simplicidentata

Formula 2xI1/1,C0/0,P0/0,M3/3=16

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16
Q

Hamsters are anisoganthic with which jaw wider

A

Mandible

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17
Q

Describe the rat dentition

A

Monophyodont
Heterodont

Elodont incisors

Anelodont bracydont molars

Simplicidentata

Formula 2xI1/1,C0/0,P0/0,M3/3=16

18
Q

Describe the Praire dog dentition

A

Monophyodont
Heterodont

Elodont Incisors

Anelodont brachydont molars

Simplicidentata

Formula 2xI1/1,C0/0,P2/1,M3/3 =22

19
Q

Lagomorphs have 4 jaw positions in chewing

A

Rest incisors in occlusions
Jaw Retraction

Jaw Protrusion

Lateral movements

20
Q

Propalineal jaw movement

A

Rostral cuadal and diagonal jaw movements

21
Q

What is a clinical signs seen often in rabbits with dental disease

A

Wet fur around the mouth without anorexia

22
Q

Mandibular incisors in the hamsters are typically ____ than the maxillary incisors

A

Longer

23
Q

Describe the position of the mandibular incisor apex in rabbits, guinea pigs chinchillas, prairie dogs and rats

A
  1. Rabbits at first cheek tooth
  2. G Pigs mid mandibular quadrant
  3. Chinchilla mid mandibular quad
  4. Prairie dog, rat, degu, hamster chipmunk all behind the mandibular Cheek teeth
24
Q

When encountering an abscess the best thing for culture and cytology is?

A

The abscess lining as the purulent material is generally sterile

25
Q

Acquired dental disease (ADD) results from malocclusion that can be congenital, traumatic Ie. primary dental disease or skeletal malocclusions
ADD forms due to what?

A

Increased occlusal pressure due to malocclusions of the incisors.

26
Q

Metabolic bone disease in rabbits what are some of the features?

A

Outdoor rabbits have lower incidence of MBD
MBD rabbits demonstrate demineralized skull bones

Serum calcium levels are lower in rabbits with severe ADD

Rabbits with ADD and MBD have higher PTH levels than normal

Increasing levels of calcium, with early MBD can reverse changes such as horizontal ridges of the incisors

27
Q

ADD in rabbits continue through stage explain

A

Increased presurre on the occlusal surface can lead to apical changes, loss of lamina dura, fracture particularly in the mandible and in end stages the teeth cease erupting and overgrowth of the opposing ensue

28
Q

Captive prairie dogs often are seen to fracture what teeth?

A

Maxillary incisors

29
Q

Pseudo-odontoma is seen most often in which teeth of which species?

A

Maxillary incisors of squirrel like rodents.

30
Q

Which of the rodent species commonly get caries?

A

Prairie dogs

31
Q

Why is obesity in rabbits noted with dental disease?

A

They can not eat forage so owners give them concentrates that they can consume and they become obese
It is important to ask the diet when see an obese animal and any history of poor mastication and change in diet.

32
Q

Trichobezar

A

Hair ball in the stomach

33
Q

Which rodents have a cheek pouch

A

Hamsters

34
Q

Which is considered a common antibiotic combination for infection in rabbits and rodents

A

enrofloxacin and penicillin the penicillin must be given parentally

35
Q

What is a good commercial hand feeding product in rabbits and rodents

A

Oxbow Critical Care

www.oxbowhay.com

36
Q

Which periodontal probe is best in rabbits and rodents

A

Michigan-O probe with williams markings

37
Q

What is this instrument used for in rabbits and rodents

A

Crossley incisor luxator

38
Q

What is this?

A

Crossley molar luxator for rabbits and rodents bent hypodermic needles can also be used.

39
Q

The use of calcium hydroxide in abscess packing is recommended by Capello yes or no

A

no tissue destruction may ensue from the caustic nature

40
Q

A rabbit is presented with a large swelling on the side of the nose what is your differentials?

A

Nasolacrimal duct abscess

Tooth abscess

41
Q

What is the steps in surgical draining of abscesses in Rabbits and rodents

A
  1. Tooth extraction if involved.
    2 .Incision at the margin of the abscess.
  2. Lavage
  3. Removal of the lining