Periodontics - PART 2 Exam Review (Chpt 1-14)

periodontics-part-2-exam-review-chpt-1-14

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Question 1 of 1

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During which histologic stage in development of periodontal disease is plaque biofilm initially located ONLY supragingivally, near the gingival margin?

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Match each description to the appropriate histologic stage in development of periodontal disease:

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Match the text
initial lesion
early lesion
established lesion
advanced lesion

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tissue damage, chronic inflammation, periodontal pocket, alveolar bone loss
all usual clinical features of gingivitis evident, macrophages & lymphocytes most numerous, collagen destruction by PGE2 & MMPs
gingiva looks healthy / biochemical mediators released / PMNs / cytokines destroy healthy CT
edema/redness / macrophages & lymphocytes appear

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The first bacteria to colonize tooth surface are nonpathogenic, but lay the foundation for growth of dental plaque biofilms. These include many streptococcal species including Streptococcus mitis and Streptococcus oralis.

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Control of bacteria in dental plaque biofilms is best achieved by prescribing antibiotics.

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Explanation

best achieved via physical disruption (brushing, flossing, instrumentation)

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Dental plaque biofilm development ALWAYS begins supragingivally and progresses subgingivally.

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Explanation

Pg. 200

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Cell-to-cell adherence of one oral bacterium to another is called:

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Dense protective barrier that surrounds bacterial microcolonies and acts like a shield providing protection from antibiotics, antimicrobials, and the body's immune system is called:

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As plaque biofilm develops, a series of fluid channels are formed that penetrate the extracellular slime layer. These fluid channels direct fluids in and around the biofilm bringing nutrients and oxygen to the bacteria and carrying bacterial waste products away.

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3 primary cells involved in the inflammatory response migrate into tissues in which order:

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Explanation

Pg. 225

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1
2
3

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lymphocytes
macrophages
PMNs

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Cytokines are powerful regulatory proteins that influence behavior of other cells by signaling immune system to send additional phagocytic cells to infection site. Cytokines that cause alveolar bone destruction include (select all that apply):

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B lymphocytes originate in bone marrow.

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The first signs of clinical inflammation in the mouth include (select all that apply):

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Subgingival plaque gets its nutrients from:

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Periodontics - PART 2 Exam Review (Chpt 1-14)

Question 1 of 1

Time Left

During which histologic stage in development of periodontal disease is plaque biofilm initially located ONLY supragingivally, near the gingival margin?

Select the correct answer(s).

(0/0)

Match each description to the appropriate histologic stage in development of periodontal disease:

Match the text (click and drag)

(0/0)

initial lesion

early lesion

established lesion

advanced lesion

tissue damage, chronic inflammation, periodontal pocket, alveolar bone loss

all usual clinical features of gingivitis evident, macrophages & lymphocytes most numerous, collagen destruction by PGE2 & MMPs

gingiva looks healthy / biochemical mediators released / PMNs / cytokines destroy healthy CT

edema/redness / macrophages & lymphocytes appear

The first bacteria to colonize tooth surface are nonpathogenic, but lay the foundation for growth of dental plaque biofilms. These include many streptococcal species including Streptococcus mitis and Streptococcus oralis.

Select the correct answer(s).

(0/0)

Control of bacteria in dental plaque biofilms is best achieved by prescribing antibiotics.

Select the correct answer(s).

(0/0)

Explanation

Dental plaque biofilm development ALWAYS begins supragingivally and progresses subgingivally.

Select the correct answer(s).

(0/0)

Explanation

Cell-to-cell adherence of one oral bacterium to another is called:

Select the correct answer(s).

(0/0)

Dense protective barrier that surrounds bacterial microcolonies and acts like a shield providing protection from antibiotics, antimicrobials, and the body's immune system is called:

Select the correct answer(s).

(0/0)

As plaque biofilm develops, a series of fluid channels are formed that penetrate the extracellular slime layer. These fluid channels direct fluids in and around the biofilm bringing nutrients and oxygen to the bacteria and carrying bacterial waste products away.

Select the correct answer(s).

(0/0)

3 primary cells involved in the inflammatory response migrate into tissues in which order:

Match the text (click and drag)

(0/0)

Explanation

1

2

3

lymphocytes

macrophages

PMNs

Cytokines are powerful regulatory proteins that influence behavior of other cells by signaling immune system to send additional phagocytic cells to infection site. Cytokines that cause alveolar bone destruction include (select all that apply):

Select the correct answer(s).

(0/0)

B lymphocytes originate in bone marrow.

Select the correct answer(s).

(0/0)

The first signs of clinical inflammation in the mouth include (select all that apply):

Select the correct answer(s).

(0/0)

Subgingival plaque gets its nutrients from:

Select the correct answer(s).

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A network of rope-like collagen fiber bundles in gingival CT, located coronal to crest of alveolar bone:

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Supragingival fiber bundles functions include (select all that apply):

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