JVD 2015, Issue 2 (JW) Flashcards

1
Q

Comparison of the Diagnostic Image Quality of the Canine Maxillary Dentoalveolar Structures Obtained by Cone Beam Computed Tomography and 64-Multidetector Row Computed Tomography

True or false: Cone beam CT images were found to be significantly superior in image quality to images acquired with 64-multidetector row CT overall, and in all scored categories

A

True

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2
Q

Oral Manifestations of Chronic Kidney Disease and Renal Secondary Hyperparathyroidism: A Comparative Review

In a study of 80 cats with CKD, what % had renal secondary hyperparathyroidism? What % had it in asymptomatic CKD cats versus those with end stage CKD?

A

Overall 84%
Asymptomatic cats = 47%
End stage = 100%

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3
Q

Oral Manifestations of Chronic Kidney Disease and Renal Secondary Hyperparathyroidism: A Comparative Review

In a study of dogs, what % of dogs with CKD had hyperparathyroidism?

A

75.9%

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4
Q

Oral Manifestations of Chronic Kidney Disease and Renal Secondary Hyperparathyroidism: A Comparative Review

What body part does renal osteodystrophy preferentially affect in dogs?

A

Mandibles

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5
Q

Oral Manifestations of Chronic Kidney Disease and Renal Secondary Hyperparathyroidism: A Comparative Review

What nickname does renal osteodystrophy have?

A

Rubber jaw

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6
Q

Oral Manifestations of Chronic Kidney Disease and Renal Secondary Hyperparathyroidism: A Comparative Review

What two forms of osteodystrophy are there?

A

Young dogs with renal secondary hyperparathyroidism get hyperostotic osteodystrophy (osseous swelling and distortion of the skull and mandibles due to fibrous replacement of deminieralized bone VERSUS older dogs get rubber jaw without swollen bones (isostotic osteodystrophy)

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7
Q

Oral Manifestations of Chronic Kidney Disease and Renal Secondary Hyperparathyroidism: A Comparative Review

What is osteopenia?

A

Descriptive term that refers to decreased opacity in bone seen on a radiograph

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8
Q

Oral Manifestations of Chronic Kidney Disease and Renal Secondary Hyperparathyroidism: A Comparative Review

What is osteomalacia?

A

Clinical diagnosis that refers to soft, malleable bone that results from deficient mineralization by hydroxyapetite crystals

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9
Q

Oral Manifestations of Chronic Kidney Disease and Renal Secondary Hyperparathyroidism: A Comparative Review

What is seen on human dental radiographs of people with renal osteodystrophy?

A

Diminished radiopacity of the lamina dura
Ground glass appearance of trabecular bone
Reduced thickness of cortical bone
Pathological bone fractures

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10
Q

Oral Manifestations of Chronic Kidney Disease and Renal Secondary Hyperparathyroidism: A Comparative Review

What oral soft tissue complications have been reported in dogs with CKD?

A

Uremic ulcers
Uremic halitosis
Xerostomia
Sloughing of the rostral aspect of the tongue

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11
Q

Oral Manifestations of Chronic Kidney Disease and Renal Secondary Hyperparathyroidism: A Comparative Review

What is the median age of 42 dogs described with renal secondary hyperparathyroidism?

A

35.6 months (aka slightly less than 3 years old)

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12
Q

Oral Manifestations of Chronic Kidney Disease and Renal Secondary Hyperparathyroidism: A Comparative Review

What % of dogs diagnosed with renal osteodystrophy were sexually intact

A

88.6% (n = 31 out of 42)

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13
Q

Oral Manifestations of Chronic Kidney Disease and Renal Secondary Hyperparathyroidism: A Comparative Review

True or false: Total calcium and phosphorus become abnormal (out of the reference range) early in the course of renal secondary hyperparathyroidism

A

False - stay within reference range until late-stage

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14
Q

Oral Manifestations of Chronic Kidney Disease and Renal Secondary Hyperparathyroidism: A Comparative Review

True or false: Maxillofacial distortion due to renal osteodystrophy has not been described in domestic cats

A

True

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15
Q

The Negative Effects of Volatile Sulphur Compounds

Which two volatile sulfur compounds are most frequently associated with oral malodor

A

Hydrogen sulphide

Methyl mercaptan

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16
Q

The Negative Effects of Volatile Sulphur Compounds

What bacterial degredation products degrade further to form volatile sulfur compounds?

A

Cysteine

Methionine

17
Q

The Negative Effects of Volatile Sulphur Compounds

Is hydrogen sulfide concentration higher in the mouth or in a periodontal pocket?

A

Mouth

18
Q

The Negative Effects of Volatile Sulphur Compounds

Is Methyl mercaptan concentration higher in the mouth or in a periodontal pocket?

A

Periodontal pocket

19
Q

The Negative Effects of Volatile Sulphur Compounds

What is the salivary pH of dogs?

A

8.5

20
Q

The Negative Effects of Volatile Sulphur Compounds

What part of volatile sulfur compounds causes increased mucosal permeability and other negative side effects?

A

Reactive free thiol group

21
Q

The Negative Effects of Volatile Sulphur Compounds

Professional periodontal treatment has been shown to reduce malodor for up to ___ months in the dog

A

3 months

22
Q

Peripheral Giant Cell Granuloma in a Dog

What is the prevalence of peripheral giant cell granuloma?

A

0.99%

23
Q

Peripheral Giant Cell Granuloma in a Dog

In humans, why do peripheral giant cell granulomas develop?

A

Response to local irritants, such as trauma, tooth extraction, poorly finished restorations, plaque, calculus, and impacted food

24
Q

Peripheral Giant Cell Granuloma in a Dog

What types of PCGC have been described histologically?

A

“Classic” versus collision

25
Q

Elodontoma in Two Guinea Pigs

What type of teeth do guinea pigs have?

A

Hypsodont (long crown)

Elodont (continually growing/erupting)

26
Q

Elodontoma in Two Guinea Pigs

What is a complex odontoma?

A

Fully differentiated dental components that do not form tooth-like structures

27
Q

Elodontoma in Two Guinea Pigs

Why did the authors come up with the new term “elodontoma”?

A

Lesions were continuous with the apices of elodont incisor and cheek teeth

28
Q

Maxillary Calcifying Epithelial Odontogenic Tumor in a Siberian Tiger (Panthera Tigris Altaica)

How are calcifying epithelial odontogenic tumors characterized?

A

By epithelial proliferation, mineralization of the epithelium and stroma, and deposition of amyloid or amyloid-like substances

29
Q

step-by-step: Bilateral Rostral Mandibulectomy in the Dog

The alveolar bone margin of the surgical site is tapered approximately ___ - ____ degrees caudodorsally to reduce tension on the suture line

A

30-60 degrees