Nepedia
Back to Discover
Advanced Reader
🧬

Periodontal disease

life science Maturity 11-13 Next article →

Periodontal disease refers to a group of inflammatory conditions. These conditions affect the periodontium, which is the supporting structure of the teeth.

Periodontal Disease
Periodontal Disease

This system includes the gingiva, or gum tissue, and the cementum, which is the outer layer of the tooth roots. It also involves the alveolar bone, the bony sockets that anchor teeth. Finally, the periodontal ligaments, or PDLs, are connective fibers running between the cementum and the bone. Understanding this disease is vital because it is the leading cause of tooth loss for adults globally.

Depiction of a Periodontitis patient
Depiction of a Periodontitis patient

The disease process usually begins with the development of a plaque biofilm. This is a sticky matrix that accumulates at the gum line. This biofilm harbors harmful bacteria, such as Porphyromonas gingivalis and Treponema denticola. These bacteria infect the gum tissue and trigger inflammation. In the early stage, known as gingivitis, the gums become red, swollen, and may bleed. If left untreated, the condition progresses to periodontitis. During this stage, the body's response leads to the destruction of tissue. Specifically, enzymes called collagenases destroy the collagen that holds the gums to the teeth. This creates deep pockets between the teeth and the gums.

Periodontal terms diagram gingival recession
Periodontal terms diagram gingival recession

Periodontal disease presents in distinct stages and clinical signs. Gingivitis is the first stage, characterized by inflammation without attachment loss. Periodontitis is the more advanced stage where actual tissue destruction occurs. Patients may experience gingival recession, which makes teeth appear longer. They might also notice halitosis, or bad breath, and a persistent metallic taste. In advanced cases, the bone around the teeth is lost. This can cause the teeth to become loose or fall out entirely.

Periodontalboneloss
Periodontalboneloss

Because inflammation and bone destruction are often painless, many people do not realize the disease is progressing. This can lead to significant damage before a person seeks medical help.

Researchers have studied the history and demographics of this condition extensively. In 2015, it was estimated that 538 million people were affected worldwide. This represents approximately 10% to 15% of the global population.

Periodontal disease world map - DALY - WHO2004
Periodontal disease world map - DALY - WHO2004

In the United States, the impact is even more concentrated in older groups. Nearly 50% of adults over age 30 have some form of the disease. Among those over age 65, the prevalence rises to about 70%.

Generalized perio -touched up
Generalized perio -touched up

Data also shows that males are affected more frequently than females. Recent meta-analyses suggest that the oral microbiota and its response to disease differ between men and women. These sex-specific factors may influence how the disease progresses.

Many specific factors increase a person's risk for periodontal disease. Smoking and diabetes are two major contributors. Other risks include HIV/AIDS, certain medications, and family history. High levels of homocysteine in the blood also play a role. Nutrition is a critical factor in the prognosis of the disease. For example, a deficiency in Vitamin C can cause gingival inflammation and bleeding. A lack of Vitamin D may delay healing after surgery. Vitamin E is necessary for proper wound healing, while Vitamin K helps prevent bleeding.

Overhangs
Overhangs

Doctors can diagnose the disease by visually inspecting the gums or using a probe. They also use X-rays to look for bone loss around the teeth.

Periodontal disease has significant connections to broader systemic health. The disease is linked to increased levels of systemic inflammatory markers. These include Interleukin-6 (IL-6), C-reactive protein (CRP), and Tumor Necrosis Factor (TNF). High levels of these markers are also associated with cardiovascular diseases. Periodontal disease is linked to an increased risk of stroke and myocardial infarction. It is also associated with atherosclerosis and hypertension. In people over 60, it has been linked to impairments in memory and calculation. Furthermore, the disease is associated with a higher risk of complications from COVID-19, such as ICU admission and death.

There is also a complex relationship between periodontal health and diabetes. There is a positive correlation between high blood glucose levels and the progression of the disease. In patients with uncontrolled diabetes, the formation of reactive oxygen species can occur. This can cause cell necrosis or apoptosis in the periodontal ligament. This creates a cycle where inflammation makes it harder to balance blood glucose. While no causal association is proven, periodontitis is also associated with inflammatory bowel disease and erectile dysfunction. Maintaining good oral hygiene through daily brushing and flossing is the primary way to manage these risks.

718 words

Where will your curiosity go next?

Keep exploring at your chosen reading level.

🖼️ Images & Media (8)
En.Wikipedia-VideoWiki-Periodontal disease.webm
File:Periodontal terms diagram gingival recession.png
Periodontal terms diagram gingival recession.png
File:Periodontal_Disease.png
Periodontal_Disease.png
File:Periodontalboneloss.JPG
Periodontalboneloss.JPG
File:Overhangs.jpg
Overhangs.jpg
File:Depiction of a Periodontitis patient.png
Depiction of a Periodontitis patient.png
File:Generalized perio -touched up.jpg
Generalized perio -touched up.jpg
File:Periodontal disease world map - DALY - WHO2004.svg
Periodontal disease world map - DALY - WHO2004.svg
More to explore

🔬 Go deeper

More advanced topics to explore

🪜 Step back

Simpler topics to build understanding

What is Nepedia?

A free, ad-free encyclopedia for children. Every article is written at five reading levels, so the same page works for a five-year-old and a fifteen-year-old — use the level switcher above to see this one change. No account needed to read.