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Surgery > E2- Dental Dz 1 > Flashcards

E2- Dental Dz 1 Flashcards

(71 cards)

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1
Q

___% of dogs and cats over 3 years of age will have some oral pathology that should be addressed

A

80-85%

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2
Q

Retained deciduous teeth caused by a failure of

A

the primary tooth’s root to undergo resoption

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3
Q

Retained deciduous teeth most frequently seen in?

A

toy breeds, many breeds, cats

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4
Q

What teeth are most commonly retained?

A

canine and incisiors

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5
Q

On the maxilla, adult canine come in ____ to deciduous canines. While mandibular adult canines come in ____ to deciduous canines.

A

rostral

lingual

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6
Q

What is recommened tx for retained teeth?

A

careful extractoin to avoid damage to adult teeth

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7
Q

Permanent teeth erupt ____ to the deciduous teeth- except the maxillary canines

A

lingual/palatal

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8
Q

Decreased free space may predispose to ____

A

periodontal dz

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9
Q

Supernumerary teeth

commonly seen where?

A

seen occasionally

more common in maxilla

most often premolars and/or incisors

may cause no problem, may interfere with occlusion, overcrowding

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10
Q

what is shown in this image?

A

supernumerary tooth 107

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11
Q

Supernumerary roots

common where?

A

PM3- esp maxila most common

tooth has extra cusp

extra root of normal size

primary differential

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12
Q

____ = the joining of 2 teeth

A

fusion

one crown, 2 roots

will have less than normal number of teeth in arch

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13
Q

_____= incomplete splitting into 2 teeth

A

gemination

2 crowns, one root

sometimes called twinning

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14
Q

Anodontia/Oligodontia/Hypodontia

A

missing teeth

genetic defect- never developed

impaction, slow eruption, fell out, trauma, extracted

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15
Q

If the deciduous tooth is congenitally missing, the adult tooth will ____

A

be missing as well

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16
Q

Anodontia/Oligodontia breeds

A

brachycephalics, mexican hairless, chinese crested

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17
Q

Truly missing teeth are usually what 2 teeth?

A

premolars, incisors

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18
Q

What type of luxation is this?

A

intrusive luxation

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19
Q

A normal occlusion is also called a ____ bite

A

scissor bite

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20
Q
A

extra premolar

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21
Q

what abnormality?

A

periodontal dz- bone loss

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22
Q

Decribe the scissor bite:

maxillary incisors ____ to mandibular

mandibular incisors contact what part of maxillary incisors?

mandubular canine is b/t?

A

rostral

cingulum

mandibular canine b/t lateral incisor and maxillary canine

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23
Q

what is this? describe it

A

cingulum

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

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24
Q

Malocclusion class 1

A

neutroclusion

jaw length normal

malpositioned teeth

base narrow canines

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25
Malocclusion class 2
mandibular distocclusion mandible short parrot mouth, overshot
26
Malocclusion class 3
mandiular mesiocclusion mandible too long undershot
27
Malocclusion class 4
asymmetrical skeletal malocclusion "wry" bite maxilla fissures close on one side and restrict growth on one side
28
Most common Class 1 malocclusion in dogs?
29
Lance tooth describe it breeds? cause?
rostrally displaced adult canine most common in sheltie- genetic also schnauzer, greyhound, fox terrier may be caused by retained deciduous teeth
30
Rostral (anterior) cross bite
one or more of the maxillary incisors are displaced toward palate class 1 malocclusion trauma or inherited
31
Caudal (Posterior) cross bite
maxillary premolars are lingual to mandubular premolars or molars class 1 malocclusion probably inheritied
32
4th premolar is missing manduble is a little longer- class 3
33
what class?
class 2 malocclusion mandibular distocclusion
34
what class?
class 3 malocclusion mandibular mesiocclusion
35
What type of bite?
level bite incisor crowns meet type of prognathism class 3 malocclusion leads to abnormal wear on incisors- attrition
36
What class is this?
class 4 malocclusion asymmetrical skeletal malocclusion "wry" mouth
37
Interceptive orthodontics
removal of deciduous teeth (primary) to avoid or correct problem
38
what abnormalitiy?
base narrow canines
39
How to fix base narrow canines?
bonded acrylic material build it up to make incline plane with maxi temp- non-exothermic
40
Why is an alternate technique commonly used from incline plane with maxi temp for base narrow canines?
41
T/F: impacted teeth are common in the dog and cat
false- uncommon
42
Suggested causes of impacted teeth?
lack of space in the dental arch or mal-alignment of the tooth bud
43
how to dx impacted teeth?
dental rads
44
Impacted teeth can result in ____ or ____ formation and should be extracted in most cases
abscess or cyst
45
A vital impacted tooth may potentially erupt into its normal position if the overlying ___ and ____ are removed
gingiva and alveolar bone
46
Swelling with blue hue
dentigerous cyst
47
Name and describe the lesion
Dentigerous cyst fluid filled cyst surrounding the crown of an unerupted tooth resulting from persistence of portions the enamel forming epithelium CS: missing teeth, swelling (blue hue), displacement of teeth, pain
48
Dentigerou cyst formation due to an un-erupted canine. Tx
extract impacted tooth remove lining of cyst extract compromised adjacent teeth bone graft
49
Name the lesion
enamel hypoplasia/hypocalcification
50
enamel hypoplasia/hypocalcification due to?
damage to ameloblasts during enamel development or exposure of enamel to corrosive material due to high fevers, distemper, periapical inflammation or trauma of the permanent tooth bud or endocrine dysfunction
51
Exposed dentin is prone to?
staining and premature wearing
52
name abnormality
enamel hypoplasia
53
Treatment options for enamel hypoplasia
conservative management extraction composite restoration crown frequent brushing, dentals, extractions as needed
54
Attrition
pathologic wearing due to contact with opposing tooth malocclusion tx: orthodontic correction, crown reduction, extraction
55
Abrasion
caused by abnormal contact with crown surface by foreign object- tenis ball, cages, rocks (frequent chewing) tx: remove offending objects, monitor for pulp exposure and crown fractures
56
this dog chews on rocks and stick. name the abnormality
abrasion
57
Must establish if there is ____ exposure. Assess with \_\_\_\_
endodontic exposure dental explorer- if it enters pulp chamber, extract or do root canal
58
Periapical granuloma/abscess CS
can result from endodontic, periodontal lesions or both CS: nasal dz, maxillary/mandibular abscesses, intraoral fistula, retrobulbar dz, pathologic fracture
59
abnormality?
abscess of maxillary carnassial tooth
60
Palpate the ____ when extracting, tells us how far we will have to go
juga
61
The first arrow is pointing at?
draining tract associated with the teeth is called a **_Parulis_**
62
what lesion?
apical abscess
63
**_Parulis_**
64
What is going on at the green lines?
weakening to the bone, can cause a fracture when extracting the tooth
65
Retrobulbar dz- the roots of what teeth are of concern?
maxillary molars 1 and 2 in the zygomatic arch apical dz can cause retrobulbar signs
66
name the abnormality
gingival hyperplasia
67
Etiology of gingival hyperplasia breeds?
focal- due to periodontal disease generalized- often seen in _boxers and great danes_ drugs: cyclosporine, Ca channel blockers, anticonvulsants
68
Treatment of gingival hyperplasia
remove excessive tissue to return sulcus depth to normal may recur
69
After surgical correction of gingival hyperplasia
chlorhexidine rinses BID for 2 weeks recheck in 2 weeks home care
70
How much tissue do we want to remove for gingival hyperplasia?
remove enough tissue so you leave about 1-3mm
71
What tool is preferred by most for gingiva removal?
radiosurgery common problem is heat too high, move too slow

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