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periodontitis

American  
[per-ee-oh-don-tahy-tis] / ˌpɛr i oʊ dɒnˈtaɪ tɪs /

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.

Etymology

Origin of periodontitis

First recorded in 1870–75; periodont(ium) + -itis

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.