Showing results for periodontitis. Search instead for periodontitises.

periodontitis

American

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

noun

Dentistry.

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Reviews of apical periodontitis emphasize how frequently these infections go unnoticed.

From Science Daily • May 16, 2026

The human mouth contains more than 700 types of bacteria, but only a small number are linked to periodontitis.

From Science Daily • Apr. 13, 2026

A recent study suggests that older Americans who do not get enough lycopene in their diets face a much higher risk of developing severe periodontitis.

From Science Daily • Feb. 10, 2026

The researchers then recruited 45 people diagnosed with chronic periodontitis at the Nihon University Hospital School of Dentistry at Matsudo for a follow up clinical study.

From Science Daily • May 21, 2024

The infection may spread from the tooth to the alveolo-dental periosteum, and set up a periodontitis.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander

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