Deck 14: Advances in Detecting and Monitoring the Periodontal Diseases

Question 1

Which of the following tests only identifies bacterial size and shape?

A)Culture and sensitivity
B)Phase-contrast microscopy
C)GCF enzyme
D)DNA probe
E)PST

Answer 1

Phase-contrast microscopy

Question 2

To which of the following assays does ELIZA belong?

A)Immunologic
B)Genetic
C)Enzyme-based
D)Microbial

Answer 2

Immunologic

Question 3

Which of the following tests determines a patient's genetic susceptibility to periodontal diseases?

A)PST
B)DMDx
C)Culture
D)GCF enzyme

Answer 3

PST

Question 4

To which of the following assays does genotype PST belong?

A)Immunologic
B)Genetic
C)Enzyme-based
D)Microbial

Question 5

Which of the following enzymes may be a predictor for clinical attachment loss?

A)Aspartate aminotransferase
B)Hyaluronidase
C)Proteinase
D)Gelatinase

Question 6

Which of the following diagnostic tests are used for research purposes rather than in clinical practice?

A)Genetic assays
B)Nucleic acid probe analyses
C)Enzyme-based assays
D)Culture and sensitivity tests

Question 7

Which of the following substances is a marker for genetic susceptibility to periodontal diseases?

A)Collagenase
B)Glucuronidase
C)Protease
D)Interleukin-1

Question 8

Since the etiology of and risk factors for periodontal diseases are multifactorial, the most important steps for patient evaluation include a comprehensive clinical and radiographic analysis and identification of modifying systemic risk factors.

A)Both statement and reason are correct.
B)Both statement and reason are incorrect.
C)The statement is correct, but the reason is incorrect.
D)The statement is incorrect, but the reason is correct.

Question 9

All of the following are adjunctive diagnostic tests for detecting bacteria except one. Which one is the exception?

A)DNA probe
B)Dark-field microscopy
C)Culture and sensitivity
D)Interleukin-1 genotype

Question 10

All of the following are indications for using DNA testing on a patient except one. Which one is the exception?

A)Refractory disease
B)Monitoring implant sites
C)All periodontal patients
D)Monitoring therapy outcome

Question 11

All of the following bacteria are detected with the DNA probe except one. Which one is the exception?

A)Actinobacillus actinomycetemcomitans
B)Prevotella intermedia
C)Porphyromonas gingivalis
D)Eikenella corrodens
E)Peptostreptococcus micros

Question 12

All of the following features are found in the culture test except one. Which one is the exception?

A)Determines antibiotic sensitivity
B)Specific for targeted periodontal pathogens
C)Rapid identification
D)Expensive
E)Specimen collected chairside

Question 13

Since genetics is the most important risk factor for periodontal diseases, it is important to perform a genetic susceptibility test on every periodontal patient.

A)Both statement and reason are correct.
B)Both statement and reason are incorrect.
C)The statement is correct, but the reason is incorrect.
D)The statement is incorrect, but the reason is correct.

Question 14

Which of following fluids/cells does the PST genetic test utilize?

A)Crevicular fluid
B)Mucosa from inner cheek
C)Epithelial tongue scrapings
D)Saliva

Question 15

For patients with which of the following conditions should adjunctive diagnostic tests be used?

A)Chronic periodontitis
B)Aggresssive periodontitis
C)Refractory periodontitis
D)Necrotizing ulcerative gingivitis
E)Hormonal-influenced gingivitis

Question 16

For which of the following reasons would the clinician collect GCF?

A)To collect enzymes produced by host cells
B)To identify bacterial waste products
C)To retrieve serum samples
D)To aggregate high levels of collagen

Question 17

When performing a DNA probe analysis, which of the following is inserted into the pocket to obtain a subgingival sample?

A)Paper point
B)Probe
C)Explorer
D)Gutta percha

Question 18

All of the following features are found in the DNA probe assay except one. Which one is the exception?

A)Highly sensitive
B)Specific for targeted periodontal pathogens
C)Rapid identification
D)Specimen collected from saliva
E)Good for screening purposes

Question 19

Which of the following tests is highly sensitive for specific periodontal microorganisms?

A)PST
B)DNA probe
C)Culture and sensitivity
D)GCF enzyme

Question 20

Which of the following bacterium is very strongly pathogenic for periodontal disease?

A)Treponema denticola
B)Porphyromonas gingivalis
C)Prevotella intermedia
D)Streptococcus sanguis

Question 21

The PST is a test to detect minimal changes in subgingival bacterial population.

Question 22

Testing for bacterial collagenase is done with saliva.

Question 23

________ allows for the growth of certain microorganisms found in periodontal pockets.

Question 24

Culture and sensitivity identifies specific microorganisms.

Question 25

Gingival ________ fluid increases flow with increasing inflammation.

Question 26

The patient's serum is an abundant source of inflammatory mediators that break down tissue associated with periodontitis.

Question 27

Phase-contrast microscopy is good for chairside patient awareness of bacteria.

Question 28

Supplemental diagnostic tests in periodontics attempt to detect disease-active sites.

Question 29

DNA ________ assay identifies DNA sequences specific for certain subgingival periodontal pathogens.

Question 30

All living organisms contain DNA, which carries all genetic information needed for the coding of proteins.

Question 31

Immunologic assays are primarily used in research.

Question 32

________ is an enzyme that breaks down collagen.