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RUSVM Small Animal Surgery 1 > Dental Disease > Flashcards

Dental Disease Flashcards

1
Q

What is retained deciduous tooth?

A

Failure of the primary tooth’s root to undergo resorption

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2
Q

What are the most commonly retained deciduous teeth?

A

Canine and incisors

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3
Q

An erupting maxillary canine erupts _______ to deciduous canines

A

Rostral

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4
Q

Mandibular adult canines erupt ________ to deciduous canines- retained deciduous K9s can cause base narrow adult canines

A

Lingual

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5
Q

The space between two teeth is called?

A

Diastema

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6
Q

T/F: permanent teeth erupt lingual/palatal to deciduous teeth

A

True

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7
Q

What is the most commonly crowded tooth

A

Maxillary 3rd premolar

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8
Q

T/F: decreased free space due to crowding may predispose to periodontal disease

A

True

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9
Q

What is the most common supranumerary tooth?

A

Maxillary P3 most common

And incisors

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10
Q

What are possible consequences of supernumerary teeth?

A

Interfere with normal occlusion, cause overcrowding, malposition, malocclusion, or incomplete eruption of adjacent teeth

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11
Q

Tooth has extra cusp and extra root of normal size. What is this?

A

Supernumerary root — most common in PM3 (maxillary)

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12
Q

What is fusion and germination of teeth?

A

Fusion — joining of two teeth ( one crown and too roots or two root canals)

Germination — incomplete splitting f two teeth ( two crowns, one root if single rooted or two normal roots medial and distal and large common root in center if multi-rooted)

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13
Q

Name for missing teeth?

A

Anodontia/oligodontia/hypodontia

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14
Q

What are causes of missing teeth?

A

Genetic defect - never developed

Impacted

Slow eruption

Fell out

Trauma
Extracted

Premolars>incisors>molars

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15
Q

What is the normal occlusion in the dog/cat?

A

Maxillary incisors are rostral to the mandibular with the mandibular incisors in contact with the cingulum of the maxillary incisor

Mandibular canine should be rostral to the maxillary canine

Scissor bite with mandibular teeth ahead of corresponding maxillary teeth

4th maxillary premolar should cover the back of the 4th premolar and the lower 1st molar

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16
Q

What is the cingulum?

A

Shelf on the palatal surface of the maxillary incisors where mandibular incisors rest

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17
Q

What class of malocclusion is due to malpositioned teeth within a jaw that is normal length

A

Class I Neutroclusion

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18
Q

What are some examples of a class I neutroclusion?

A

Rostra (anterior) or caudal (posterior) cross-bite

Base narrow canines

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19
Q

What type of malocclusion is a parrot mouth/ overshot?

A

Class 2 Mandibular distocclusion

— mandibular brachygnathism

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20
Q

What class of malocclusion is an undershot jaw?

A

Class 3

— mandibular prognathism

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21
Q

What type of malocclusion is a “wry” bite?

A

Class 4- asymmetrical skeletal malocclusion

22
Q

What is a lance tooth?

A

Rostral displaced adult canine tooth with a deciduous tooth in normal position

23
Q

Lance tooth is considered genetic in what breeds?

A

Sheltie

Schnauzer
Italian greyhound
Fox terrier

24
Q

What are possible treatments for lance tooth?

A

Non
Crown reduction + endodontic
Extraction
Orthodontics

25
Q

One or mor of the maxillary incisors are displaced toward the palate.
What is this?

A

Rostral (anterior) cross bite

Class I malocclusion

26
Q

One or more the the maxillary premolars are lingual to the mandibular premolars or molars

What do you call this?

A

Caudal (posterior) cross bite

Class I malocclusion

27
Q

What is “level bite”?

A

When the crowns of the incisors meet

Class III malocclusion —> prognathism

Leads to abnormal wear on incisors (attrition) commonly repaired by tertiary dentin

28
Q

What are causes of wry mouth?

A

Trauma

Inherited

29
Q

What are possible treatments for malocclusions?

A

Interceptive orthrodontics

Crown reductions

Orthodontic applicants
- eg “ball therapy” for base narrow canines

Exodontis

30
Q

What type of procedure is the removal of primary teeth to avoid or correct a problem?

A

Interceptive orthodontics

31
Q

What are possible causes of impacted teeth?

A

Lack of space in dental arch or mal-alignment of the tooth bud

Can result due to trauma, including traumatic extraction of retained primary teeth

32
Q

How are impacted teeth diagnosed?

A

Radiographs

33
Q

T/F: impacted or malformed teeth should be extracted in most cases?

A

True

  • can result in abscess or cyst formation
34
Q

T/F: a vial impacted tooth can potentially erupt into its normal position if the overlying gingiva and alveolar bone is removed

A

True

35
Q

What is a fluid filled cyst surrounding the crown of an unerupted tooth resulting form persistence of the enamel forming epithelium

A

Dentigerous cyst

36
Q

Clinical signs of a dentigerous cyst?

A

Missing teeth
Swelling with “blue hue” and may be fluctuant
Pain

37
Q

What is the treatment for a dentigerous cyst?

A

Extract impacted tooth and lining of cyst

Extract compromised adjacent teeth

“Bone graft”

38
Q

Damage to ameloblastoma during enamel development r exposure of enamel to corrosive material can cause???

A

Enamel hypoplasia / hypocalcification

39
Q

What are some EDX of enamel hypoplasia?

A

High fever
Distemper
Periacpical inflammation or trauma of permanent tooth bud or endocrine dysfunction early in life

40
Q

What is radicular dysplasia?

A

Developmental root abnormality where the root is very shallow

—> can be seen with enamel hypoplasia

41
Q

What are the treatment options for enamel hypoplasia if there is only one or a few teeth affected?

A

Conservative management
Extraction
Composite restoration
Crown

42
Q

What are the treatment options for enamel hypoplasia if there is diffuse involvement?

A

Good home care - frequent brushing

Regular professional dental cleanings

Extractions as needed

43
Q

What the difference between abrasion and attrition?

A

Attrition = Pathological wearing due to contact with opposite grade teeth (malocclusion )

Abrasion = wearing due to contact with a foreign object (tennis balls, cages, rocks, etc)

44
Q

Treatment for attrition?

A

Orthodontic correction
Crown reduction
Extraction

45
Q

When there is abrasion on the teeth, you should asses for endodontic exposure. How would you do this? How should you treat if there is endodontic exposure?

A

Dental explorer

— if it enters the pulp chamber —> extract or do root canal

46
Q

Clinical signs of a periapical granuloma/abscess?

A 
Nasal disease — sneezing, nasal discharge 
Maxillary/mandibular abscesses 
Intramural fistula 
Retrobulbar disease 
Pathological fracture
47
Q

A draining tract associated with the teeth is called?

A

Parulis

These draining tracts can result due to fact, or endodontic dz

48
Q

What is retrobulbar disease?

Clinical signs?

A

The roots of maxillary molars 1 and 2 are in the zygomatic arch

Swollen
Exopthalamus
Abscess in back of mouth

Pain when opening mouth

49
Q

What is the etiology of gingival hyperplasia?

A

Focal due to peridontal dz

Generalized often seen in boxers

Drugs - cyclosporine, Ca channel blockers, anticonvulsant

50
Q

Treatment for gingival hyperplasia?

A

Remove excessive tissue to return sulcus depth to normal

— try to recreate normal scalloped contour
After surgery use chrohexidine rinse BID for 2 weeks

RUSVM Small Animal Surgery 1 (39 decks)

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