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periodontitis

[per-ee-oh-don-tahy-tis]
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noun Dentistry.
  1. inflammation of the periodontium caused by bacteria that infect the roots of teeth and the surrounding gum crevices, producing bleeding, pus formation, and gradual loss of bone and the tissues that support the teeth.Compare pyorrhea(def 2).

Origin of periodontitis

First recorded in 1870–75; periodont(ium) + -itis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Word Origin and History for periodontitis

n.

1842; see periodontal + -itis.

Online Etymology Dictionary, © 2010 Douglas Harper

periodontitis in Medicine

periodontitis

(pĕr′ē-ō′dŏn-tītĭs)
n.
  1. Disease of the periodontium characterized by inflammation of the gums, resorption of the alveolar bone, and degeneration of the periodontal membrane.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.