peri·​odon·​ti·​tis ˌper-ē-(ˌ)ō-ˌdän-ˈtī-təs How to pronounce periodontitis (audio)
: inflammation of the supporting structures of the teeth and especially the periodontal membrane

Examples of periodontitis in a Sentence

Recent Examples on the Web Treatment of periodontitis can be non-surgical or surgical. Erica Lamberg, Fox News, 12 Feb. 2024 The results showed signs of a severe gum infection called periodontitis in one of the teenagers. Will Sullivan, Smithsonian Magazine, 26 Jan. 2024 The best way to prevent periodontitis is to practice good oral hygiene. Ashlyn Messier, Fox News, 25 Nov. 2023 The good news is that in most cases periodontitis can be cured. Ashlyn Messier, Fox News, 25 Nov. 2023 Likewise, periodontitis is a risk factor for high blood sugar (hyperglycemia), a defining factor of diabetes. Barbie Cervoni, Ms, Rd, Cdces, Cdn, Health, 18 Oct. 2023 Neglecting your dog's dental hygiene can lead to various health problems, including tartar buildup, periodontitis, and bad breath. Amber Smith, Discover Magazine, 3 July 2023 As artificial intelligence continues to expand into dental and medical uses, dentists are relying on the technology to quickly and accurately detect and prevent periodontitis, decay, bone loss and other gum health issues. Melissa Rudy, Fox News, 26 June 2023 But periodontitis is not just a local infection, limited in its effects to the body's entranceway. Rebecca Kreston, Discover Magazine, 22 June 2014 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'periodontitis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


New Latin

First Known Use

1870, in the meaning defined above

Time Traveler
The first known use of periodontitis was in 1870

Dictionary Entries Near periodontitis

Cite this Entry

“Periodontitis.” Dictionary, Merriam-Webster, Accessed 3 Mar. 2024.

Medical Definition


peri·​odon·​ti·​tis ˌper-ē-(ˌ)ō-ˌdän-ˈtīt-əs How to pronounce periodontitis (audio)
: inflammation of the periodontium and especially chronic inflammation that typically follows untreated gingivitis and that results in progressive destruction of the periodontal ligament, formation of pockets around the teeth, and resorption of alveolar bone chiefly in a horizontal direction with loosening or loss of teeth

called also pericementitis

More from Merriam-Webster on periodontitis

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