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periodontitis

[ per-ee-oh-don-tahy-tis ]

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 ).


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Word History and Origins

Origin of periodontitis1

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

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Example Sentences

If you have bad breath, gingivitis or periodontitis …A probiotic lozenge or mouthwash might be your best bet.

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

Periodontitis is usually followed by the formation of an alveolar abscess.

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periodontistperiodontium