periodontitis

From Ancient Greek περί (perí, “around”) + ὀδούς (odoús, “a tooth”) +‎ -itis.

periodontitis (usually uncountable, plural periodontitides)

1. (periodontology) A serious form or stage of periodontal disease which may lead to loss of bone and falling out of teeth.

   An untreated gingivitis may lead to periodontitis, both forms of periodontal disease.

   • 1932, The Journal of Periodontology, volume 3, page 29:

     Schlein reports favorable results from the use of Besredka's antivirus in cases of ulcerous stomatitis, acute pulpitis and periodontitides.

• parodontitis

• “periodontitis”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.
• “periodontitis”, in OneLook Dictionary Search.

periodontitis f (uncountable)

1. periodontitis

   Synonym: piorrea