Rabbit and rodent dentistry by copello Flashcards by Jane Pegg

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

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

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Pikas are which species

Ochoton spp. order: lagomorphs

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Describe the Rabbits dentition

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

True

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What is the dental formula for rabbits?

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

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Rodents have two different types of master muscles

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

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Guinea pig is anisognathic with which jaw wider

Mandible

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guinea pig dental formula:

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

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The guinea pig has elongation of the TMJ in what direction

Rostral caudal direction different than other species

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

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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Describe the guinea pigs teeth

Monophyodont
Heterodont

Elodont

Hypsodont

Simplicidentata

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Describe the teeth of the chinchilla

Monophyodont
Heterodont

Elodont

Hypsodont

Simplicidentata

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The chinchilla have what colored incisors

Orange from stained enamel

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Chinchillas are anisognathic with which jaw wider

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

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Hampsters teeth are described as.

Monophyodont
Heterodont

Elodont

Anelodont bracydont (molars)

Simplicidentata

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

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Hamsters are anisoganthic with which jaw wider

Mandible

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Describe the rat dentition

Monophyodont
Heterodont

Elodont incisors

Anelodont bracydont molars

Simplicidentata

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

Describe the Praire dog dentition

Monophyodont
Heterodont

Elodont Incisors

Anelodont brachydont molars

Simplicidentata

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

Lagomorphs have 4 jaw positions in chewing

Rest incisors in occlusions
Jaw Retraction

Jaw Protrusion

Lateral movements

Propalineal jaw movement

Rostral cuadal and diagonal jaw movements

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

Wet fur around the mouth without anorexia

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

Longer

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

Rabbits at first cheek tooth
G Pigs mid mandibular quadrant
Chinchilla mid mandibular quad
Prairie dog, rat, degu, hamster chipmunk all behind the mandibular Cheek teeth

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

The abscess lining as the purulent material is generally sterile

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

Increased occlusal pressure due to malocclusions of the incisors.

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

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

ADD in rabbits continue through stage explain

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

Captive prairie dogs often are seen to fracture what teeth?

Maxillary incisors

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

Maxillary incisors of squirrel like rodents.

Which of the rodent species commonly get caries?

Prairie dogs

Why is obesity in rabbits noted with dental disease?

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.

Trichobezar

Hair ball in the stomach

Which rodents have a cheek pouch

Hamsters

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

enrofloxacin and penicillin the penicillin must be given parentally

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

Oxbow Critical Care | www.oxbowhay.com

Which periodontal probe is best in rabbits and rodents

Michigan-O probe with williams markings

What is this instrument used for in rabbits and rodents

Crossley incisor luxator

What is this?

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

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

no tissue destruction may ensue from the caustic nature

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

Nasolacrimal duct abscess | Tooth abscess

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

1. Tooth extraction if involved. 2 .Incision at the margin of the abscess. 3. Lavage 4. Removal of the lining