Oral Thrush Figure (Figure 24.13). Reprinted from OpenStax Microbiology (p. 991), by N. Parker, M. Shneegurt, A.-h. Thi Tu, B. M. Forester, and P. Lister, 2016, Rice University. Copyright 2016 by Rice University.

Oral Thrush Figure

Overgrowths of Candida, a yeast that is part of the normal microbiota of the body, can lead to infections like oral thrush. Individual with weak immune systems like developing infants are vulnerable to such infections due to the lack of a robust normal microbiota.

Oral Thrush Caused by Candida Infection

Candida (yeast) infection or overgrowth in the oral cavity

(Photo credits in References)

University of Notre Dame

Despite defenses against them, some microbes continue to inhabit the mouth which can lead to diseases and infections including:

- Dental Caries
- Peridontal Disease
- Oral Thrush
- Herpetic Gingivostomatitis
- Mumps

Microbial Infections of the Mouth and Oral Cavity

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Lesions in the teeth due to tooth decay by microbes. Microbes are attracted to the food in saliva that comes into contact with teeth, forming a biofilm called plaque that contains many bacterial species that promote tooth decay.

(Photo credits in References)

Dental Caries

Disease caused by microbial infections leading to inflammation and damage in tissues and areas around the teeth.

Periodontal Disease

Herpetic gingivostomatitis is a condition characterized by inflammation of the mouth and gums, typically caused by a herpes virus infection.

Herpetic Gingivostomatitis

Oral Thrush

An illness of the parotid glands caused by the mumps virus and leading to swelling

(Photo credits in References)

Mumps

The main characteristics of mouth and oral cavity infections are depicted in the table below.

(Photo credits in References)

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