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Microbial Insights: The Gingival Health Quiz

An illustration showing various types of bacteria, biofilms, and their interactions in the oral cavity, emphasizing microbial health in dental contexts.

Microbial Insights: The Gingival Health Quiz

Test your knowledge of the microbial factors associated with gingival health and periodontal disease. This quiz explores complex theories about microbial biofilms and their role in oral health.

Key Topics:

Microbial Complexes
Red Complex Pathogens
Biofilm Evolution
Gram-Positive and Gram-Negative Bacteria

13 Questions3 MinutesCreated by ExploringMicrobes234

Microbes designated as __,__, __, and __ were thought to be compatible with gingival health

Red, Orange, Yellow, Green

Yellow, green, orange, blue

Yellow, green, blue, purple

Red complexes can be found in the absence of periodontal disease.

True

False

We now recognize...

Pathogenic microbial biofilm is a prerequisite for perio to develop, but the presence of a pathogenic oral biofilm alone is insufficient to cause the disease

A pathogen oral biofilm alone is enough to cause an inflammatory disease

While red complex are strongly associated with inflammatory disease, there is no evidence to support that they are potent initators of the disease

Red complex microorganisms are strongly associated with inflammatory disease and evidence shows they are potent initatiors of the disease

The ecological plaque hypothesis states thatit is a shift in the local environment that drives the changes in microbial composition

True

False

What theory is this: Host related factors and environment factors are all now recognized as major factors that contribute to the initiation and progression of periodontal disease

Ecological

Host-response

Keystone pathogen

What theory is this: The presence of certian microbial pathogens - even in low numbers - can cause a shift from beneficial to pathogenic microbes in the biofilm community

Ecological

Host Response

Keystone Pathogen

Gram- Positive Bacteria

Single wall

Multiple walls

Purple

Pink

Gram Negative Bacteria

Multiple membranes

Single Membrane

Red or Pink

Purple

Biofilms can exist on any solid surface that is exposed to a microbe containing fluid

True

False

Select the time frame: Microbes produce an initial extracellular protective matric and become increasingly resistant to antiseptics and antibiotics

2 to 4 hours

6 to 12 hours

2 to 4 days

Select the time frame: The biofilm evolves into fully mature biofilm colonies that are extremely resistant to antibiotics; can rapidly recover from mechanical disruption and reform a mature biofilm with 24 hours

2 to 4 hours

6 to 12 hours

2 to 4 days

Select the time frame: Microbes form strongly attached microcolonies

2 to 4 hours

6 to 12 hours

2 to 4 days

Within minutes, free-floating microbes attach to a surface.

True

False

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