Dental calculus

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

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Notion

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Science and technology

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What Wikipedia says

In dentistry, dental calculus or tartar is a form of hardened dental plaque. It is caused by precipitation of minerals from saliva and gingival crevicular fluid (GCF) in plaque on the teeth.

Excerpt from the Wikipedia article “Dental calculus”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: DRosenbach at English Wikipedia, Public domain, via Wikimedia Commons.