{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T02:40:28Z","timestamp":1792118428819,"version":"4.4.0"},"reference-count":10,"publisher":"Wiley","issue":"S20","license":[{"start":{"date-parts":[[2018,6,20]],"date-time":"2018-06-20T00:00:00Z","timestamp":1529452800000},"content-version":"vor","delay-in-days":19,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100005342","name":"American Academy of Periodontology Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100005342","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100009071","name":"Colgate University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100009071","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100004331","name":"Johnson and Johnson","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100004331","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100004357","name":"Procter and Gamble","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100004357","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Clinic Periodontology"],"published-print":{"date-parts":[[2018,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>A new periodontitis classification scheme has been adopted, in which forms of the disease previously recognized as \u201cchronic\u201d or \u201caggressive\u201d are now grouped under a single category (\u201cperiodontitis\u201d) and are further characterized based on a multi\u2010dimensional <jats:italic>staging<\/jats:italic> and <jats:italic>grading<\/jats:italic> system. S<jats:italic>taging<\/jats:italic> is largely dependent upon the severity of disease at presentation as well as on the complexity of disease management, while <jats:italic>grading<\/jats:italic> provides supplemental information about biological features of the disease including a history\u2010based analysis of the rate of periodontitis progression; assessment of the risk for further progression; analysis of possible poor outcomes of treatment; and assessment of the risk that the disease or its treatment may negatively affect the general health of the patient.<\/jats:p><jats:p>Necrotizing periodontal diseases, whose characteristic clinical phenotype includes typical features (papilla necrosis, bleeding, and pain) and are associated with host immune response impairments, remain a distinct periodontitis category.<\/jats:p><jats:p>Endodontic\u2010periodontal lesions, defined by a pathological communication between the pulpal and periodontal tissues at a given tooth, occur in either an acute or a chronic form, and are classified according to signs and symptoms that have direct impact on their prognosis and treatment.<\/jats:p><jats:p>Periodontal abscesses are defined as acute lesions characterized by localized accumulation of pus within the gingival wall of the periodontal pocket\/sulcus, rapid tissue destruction and are associated with risk for systemic dissemination.<\/jats:p>","DOI":"10.1111\/jcpe.12946","type":"journal-article","created":{"date-parts":[[2018,6,21]],"date-time":"2018-06-21T08:45:40Z","timestamp":1529570740000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1067,"title":["Periodontitis: Consensus report of workgroup 2 of the 2017 World Workshop on the Classification of Periodontal and Peri\u2010Implant Diseases and Conditions"],"prefix":"10.1111","volume":"45","author":[{"given":"Panos N.","family":"Papapanou","sequence":"first","affiliation":[{"name":"Columbia University  New York NY 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Madrid  Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard T.","family":"Kao","sequence":"additional","affiliation":[{"name":"Private practice  Cupertino CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Moritz","family":"Kebschull","sequence":"additional","affiliation":[{"name":"Columbia University  New York NY USA"},{"name":"Bonn University  Bonn Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Denis F.","family":"Kinane","sequence":"additional","affiliation":[{"name":"University of Pennsylvania  Philadelphia PA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keith L.","family":"Kirkwood","sequence":"additional","affiliation":[{"name":"University at Buffalo  Buffalo NY USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Kocher","sequence":"additional","affiliation":[{"name":"Greifswald University  Greifswald 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