Pronunciation: (per"ē-ō-don-tī'tis), Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/periodontitis.html on line 71 [key]
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. Cf. pyorrhea (def. 2).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.