Oral Inflammation
Oral Inflammation - Related Videos
01:38
Inflammation
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2019
Overview In response to tissue injury and infection, mast cells initiate inflammation. Mast cells release chemicals that increase the permeability of adjacent blood capillaries and attract additional immune cells to the wound or site of infection. Neutrophils are phagocytic leukocytes that exit the bloodstream and engulf invading microbes. Blood clotting platelets seal the wound and fibers create a scaffold for wound healing. Macrophages engulf aging neutrophils to end the acute inflammatory...
08:02
Th17 Inflammation Model of Oropharyngeal Candidiasis in Immunodeficient Mice
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Cited by 11 •
2015
Although Candida infection models are available to study host immune resistance, a model to study T cell mediated immunopathology in the context of Candida infection is absent. Here we describe a method to establish Th17 immunopathology associated with oral Candida infection in immunodeficient mice.
01:27
Oral Infection Alters the Gut Microbiota in a Rat Model
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2026
Begin with a rat model with sutures tied around its upper molar teeth to support bacterial colonization.Repeatedly smear the sutures with a gum disease-causing oral pathogenic bacterium using a gel-like solution.The bacteria colonize the gum around the sutures.Colonization triggers inflammation and damages the tissues.The bacteria release toxins that diffuse through damaged tissues and enter the bloodstream.These circulating toxins reach the gut, cause inflammation, disrupt the epithelial...
09:52
A Mouse Model for Pathogen-induced Chronic Inflammation at Local and Systemic Sites
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Cited by 15 •
2014
Animal models have proven to be invaluable tools in defining host and pathogen specific mechanisms that contribute to the development of chronic inflammation. Here we describe a mouse model of oral infection with the human pathogen Porphyromonas gingivalis and detail methodologies to assess the progression of inflammation at local and systemic sites.
04:28
Utilizing an Orally Dissolving Strip for Pharmacological and Toxicological Studies: A Simple and Humane Alternative to Oral Gavage for Animals
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Cited by 4 •
2016
The following protocol describes a novel method for chronic oral drug administration using an orally dissolving strip (ODS) in lieu of the more commonly used oral gavage method. We demonstrate that preclinical, oral drug delivery using the ODS method represents a safe, convenient, and humane alternative to oral gavage.
FAQs
Immune cells in oral tissues detect danger signals associated with microbial invasion, injury, or irritation. Recognition activates signaling pathways that stimulate the release of cytokines and other inflammatory mediators. These signals coordinate nearby vascular changes and leukocyte recruitment, allowing the immune response to concentrate at the affected site rather than remaining inactive.
Cytokines and other mediators increase local blood flow and vascular permeability. These changes help create conditions that permit leukocytes to leave the circulation and reach affected oral tissues. The process supports protection during an active threat, but continued mediator release can maintain inflammation and contribute to tissue damage when the initiating problem persists.
Plaque-associated bacteria can provide continuing microbial stimuli that maintain inflammatory signaling in oral tissues. Instead of resolving after a brief challenge, the response remains active as immune cells continue to recognize danger signals and release mediators. This persistent interaction helps explain how inflammation can progress from a protective response toward tissue breakdown in gingivitis and periodontitis.
The outcome depends partly on whether the initiating stimulus is controlled. A protective response recruits immune defenses and alters local blood flow and permeability to address danger. When microbial stimulation persists, inflammatory signaling continues, and the same response can damage oral tissues. This distinction is central to understanding why inflammation may support defense yet also impair oral health.
Biology and dentistry examine oral inflammation by relating immune recognition, mediator release, vascular changes, and leukocyte recruitment to oral disease. Researchers also connect these mechanisms with plaque-associated bacterial stimulation and tissue breakdown in gingivitis and periodontitis. This framework helps organize observations about how local immune activity affects oral health and guides questions about prevention, diagnosis, and treatment.
Oral inflammation provides a mechanistic explanation for how plaque-associated bacteria can contribute to gingivitis and periodontitis. Studying the immune response shows how continued signaling may move beyond defense and become associated with tissue breakdown. This context supports efforts to understand disease development and to improve approaches for preventing, diagnosing, and treating these conditions.
Research on oral inflammation clarifies how a local immune response is initiated, coordinated, and sustained in living tissue. Because the response includes immune recognition, cytokine release, vascular changes, and leukocyte recruitment, it also offers context for examining connections between oral inflammatory activity and broader health. These findings can inform both oral disease research and wider biological understanding.