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Digestion and Metabolism Exam 1 > SA - Pathology of the Oral Cavity > Flashcards

SA - Pathology of the Oral Cavity Flashcards

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1
Q

What are the components of the oral cavity?

A

Lips, teeth, tongue, salivary glands, tonsils, oral mucosa, glands, specialized submucosal tissue, alveolar bone, periodontal ligaments…. A LOT of different tissue types

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2
Q

Congenital Deformities and Dysplasias

A

Brachygnathism
Palatoschisis

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3
Q

What is the inherited genetic trait that is a breed standard for breeds such as pugs/bulldogs that results in additional URT deformities and dyspnea?

A

Brachygnathism superior

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4
Q

Palatoschisis

A

Cleft palate (Oronasal fistula)

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5
Q

Which layers of the tooth have the most organic matrix and are thus stronger?

A

Dentin and cemenum

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6
Q
A

Normal Gingival Sulcus

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7
Q
A

Normal Tooth Socket Interface

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8
Q

Neurovascular elements and connective tissue

A

Pulp

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9
Q

Producted by odontoblasts

A

dentin

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10
Q

produced by cementoblasts

A

cementum

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11
Q

produce by ameloblasts -> diet & disintegrate after tooth eruption

A

enamel

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12
Q

Dental Development

A

Odontogenesis; a symphony of cells and matrix

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13
Q

Where do the cells that form the enamel come from and what are these cells called?

A

Ectoderm; epithelial; ameloblasts AB

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14
Q

What cells come from the ectomesenchyme (neural crest)?

A

Odontoblasts - > dentin
Cementoblasts ->Cementum
Periodontal ligament (FBs)
Osteoblasts -> Alveolar bone

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15
Q
A

Odontogenesis

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16
Q
A

Erupted adult tooth terminology + cell details

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17
Q

What are the true neoplasms of the oral cavity?

A

Ameloblastomas

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18
Q

What is odontodysplasia?

A

dental malformations

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19
Q

Polyodontia

A

supernumerary teeth

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20
Q

Pseudo-polyodontia

A

retained deciduous teeth

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21
Q

What does the dog on the left showing evidence of and why/

A

Osteogenesis Imperfecta
-> weak dentin

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22
Q

Can malocclusion affect prehension and mastication?

A

yes

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23
Q

Periodontitis (Periodontal Disease)

A

A disease spectrum with a series of progressive steps

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24
Q

What are dental plaques made of?

A

Bacterial biofilm

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25
What is dental calculus?
mineralized amalgam of salivary secretions, bacteria, and debris that is firmly adhered to the tooth's surface and need's surgery to remove
26
How can plaque be removed?
Cannot be removed by saliva but is physically removable as it is loosely adhered to the enamel surface.
27
What are dental caries?
Cavities that result from enzymatic demineralization an degradation and erosions in the mineralized tooth matrix
28
Are cavities the same as resorptive lesions?
No
29
Plaque impacted in the gingival sulcus
30
Persistent gingivitis leading to erosions/ulcers and calculus on the tooth
31
Gingival recession + enzymatic and cellular tooth resorption from odontoclast activation
32
What are you detecting radiographically in periodontitis progression?
Loss of periodontal ligament and alveolar bone
33
Normal periodontal ligament junction
34
Loss of alveolar bone at bifurcation
Loss of alveolar bone at bifurcation
35
What to resorptive lesions occur from?
Chronic periodontitis
36
What is an idiopathic proliferation of the gingival epithelium & subgingival stroma that is associated with chronic gingivitis/periodontitis and has breed predispositions?
K9 Fibrogingival hyperplasia
37
What is general inflammation of the entire oral cavity?
Stomatitis
38
Inflammation of the gingiva/periodonta
gingivitis/periodontitis
39
inflammation of the bone surrounding the teeth
alveilitis/osteomyelitis
40
inflammation of the lips
cheilitis
41
inflammation of the tongue
glossitis
42
inflammation of the pharynx
phayrngitis
43
inflammation of the salivary glands
sialoadenitits
44
inflammation of the tonsils
tonsilitis
45
Vesicular stomatitis in cats is associated with what viruses?
Calicivirus, FHV-1, +/- FeLV & FIV
46
What are the gross lesions of vesicular stomatitis?
lingual and oropharungeal vesicles erosions/ulcers -> secondary inflammation
47
What are the histology lesions of vesicular stomatitis?
-Multifocal epithelial cell necrosis - subcorneal fluid pockets +/- associated with feline chronic gingivostomatitis syndrome (FCGS)
48
What are the lesions of proliferative gingivostomatitis
Focal to multifocal raised hyperemic plaques with severe plasmacytic inflammation and erosions>>>ulcers
49
What is the job of plasma cells?
To release lots of protein
50
What do the arrows indicate on these plasma cells?
Nuclear clearing
51
What are mott cells
constipated plasma cells
52
What disease is defined by the presence of well demarcated raised plaques that are flat, nodular, and/or ulcerated predominantly in cats and arctic dog breeds?
Eosinophilic granuloma complex
53
Eosinophilic granuloma complex
54
What are the histologic features of eosinophilic granuloma complex?
eosinophilic granulomas centered on collagen flame figures with hyalinized bright pink collagen and degranulated eosinophils
55
What is this a histology picture of?
Eosinophilic granuloma
56
Benign proliferative lesions of stratified squamous epithelium
papillomas
57
What aged animals are predisposed to papillomas?
young animals
58
Can papillomas undergo spontaneous regression?
yes
59
Aberrant non-neoplastic tumors
Epulides.. but nomenclature is confusing and ever changing. Note that it is not a true neoplasm. Currently calling FEPLO/POF
60
What are the gross features of FEPLO/POF?
Can look like FGH (fibrogingival hyperplasia) & acanthomatous ameloblastoma; Ddx requires a biopsy!
61
What is a common benign K9 neoplasm of odontogenic epithelium that resembles the stratum spinosum and is locally invasive and disfiguring?
Acanthomatous Ameloblastoma (CAA)
62
List some malignant neoplams of the oral cavity
Squamous cell carcinoma Adenocarcinoma Malignant melanoma Fibrosarcoma Lymphoma
63
Histologic image of high/low fibrosarcoma that looks benign

Digestion and Metabolism Exam 1 (12 decks)

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