Types of Microorganisms
Bacterial Shapes
Infection & Disease
Microbiology in Dentistry
Growth and Reproduction
100

What are bacteria?

These single-celled microorganisms have no nucleus and include cocci, bacilli, and spirilla

100

What are cocci?

Round or spherical bacteria.

100

What are pathogens?

Microorganisms that cause disease.

100

What is dental plaque?

The sticky biofilm that forms on teeth and contains bacteria.

100

What is binary fission?

The process by which bacteria divide into two identical cells.

200

What are viruses?

These microorganisms require a living host cell in order to reproduce.

200

What are bacilli?

Rod-shaped bacteria.

200

What is an infection?

The presence and multiplication of microorganisms in the body.

200

What is periodontal disease?

oral disease is associated with anaerobic bacteria and inflammation of gums.

200

What is the log phase?

The phase in bacterial growth where cells actively divide.

300

What are fungi?

Yeasts and molds belong to this group of microorganisms.

300

What are spirilla?

spiral-shaped bacteria.

300

What is a communicable disease?

Disease that spreads from person to person.

300

What is sterilization?

The process of destroying all microorganisms, including spores.

300

What is an endospore?

This structure helps bacteria survive extreme environmental conditions.

400

What are protozoa?

These microorganisms are single-celled eukaryotes that may cause diseases such as malaria.

400

What are staphylococci?

Cocci arranged in grape-like clusters.

400

What is the incubation period?

The time between exposure to a pathogen and symptoms appearing.

400

What are standard precautions?

This infection control practice prevents the spread of microorganisms in dental settings.

400

What are aerobic bacteria?

Bacteria that require oxygen to grow are called this.

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