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

noun, Dentistry.
inflammation of the 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 (def 2).

1842; see periodontal + -itis.

periodontitis per·i·o·don·ti·tis (pěr’ē-ō’dŏn-tī’tĭs)
Disease of the periodontium characterized by inflammation of the gums, resorption of the alveolar bone, and degeneration of the periodontal membrane.


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    periodontoclasia per·i·o·don·to·cla·sia (pěr’ē-ō-dŏn’tə-klā’zhə, -zē-ə) n. Pathological destruction of the periodontium. No longer in technical use.

  • Periodontology

    [per-ee-oh-don-tol-uh-jee] /ˌpɛr i oʊ dɒnˈtɒl ə dʒi/ noun 1. .

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    [per-ee-oh-don-toh-sis] /ˌpɛr i oʊ dɒnˈtoʊ sɪs/ noun, Dentistry. (no longer in technical use) 1. . periodontosis per·i·o·don·to·sis (pěr’ē-ō’dŏn-tō’sĭs) n. A degenerative disease of the periodontal ligament and tooth sockets, characterized by looseness and migration of teeth.

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