{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T06:51:00Z","timestamp":1792219860534,"version":"4.4.0"},"reference-count":10,"publisher":"Wiley","issue":"S1","license":[{"start":{"date-parts":[[2018,6,21]],"date-time":"2018-06-21T00:00:00Z","timestamp":1529539200000},"content-version":"vor","delay-in-days":20,"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":["aap.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Periodontology"],"published-print":{"date-parts":[[2018,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    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\n                    <jats:italic>staging<\/jats:italic>\n                    and\n                    <jats:italic>grading<\/jats:italic>\n                    system. S\n                    <jats:italic>taging<\/jats:italic>\n                    is largely dependent upon the severity of disease at presentation as well as on the complexity of disease management, while\n                    <jats:italic>grading<\/jats:italic>\n                    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.\n                  <\/jats:p>\n                  <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>\n                  <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>\n                  <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":"10.1002\/jper.17-0721","type":"journal-article","created":{"date-parts":[[2018,6,21]],"date-time":"2018-06-21T06:43:40Z","timestamp":1529563420000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1787,"title":["Periodontitis: Consensus report of workgroup 2 of the 2017 World Workshop on the Classification of Periodontal and Peri\u2010Implant Diseases and Conditions"],"prefix":"10.1002","volume":"89","author":[{"given":"Panos N.","family":"Papapanou","sequence":"first","affiliation":[{"name":"Columbia University  New York NY USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mariano","family":"Sanz","sequence":"additional","affiliation":[{"name":"Universidad Complutense Madrid  Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nurcan","family":"Buduneli","sequence":"additional","affiliation":[{"name":"Ege University  Izmir Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Dietrich","sequence":"additional","affiliation":[{"name":"University of Birmingham  Birmingham United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Magda","family":"Feres","sequence":"additional","affiliation":[{"name":"Universidade Guarulhos  Guarulhos Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel H.","family":"Fine","sequence":"additional","affiliation":[{"name":"Rutgers University  Newark NJ USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas F.","family":"Flemmig","sequence":"additional","affiliation":[{"name":"University of Hong Kong  Hong Kong SAR China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Raul","family":"Garcia","sequence":"additional","affiliation":[{"name":"Boston University  Boston MA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"William V.","family":"Giannobile","sequence":"additional","affiliation":[{"name":"University of Michigan  Ann Arbor MI USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Filippo","family":"Graziani","sequence":"additional","affiliation":[{"name":"University of Pisa  Pisa Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Henry","family":"Greenwell","sequence":"additional","affiliation":[{"name":"University of Louisville  Louisville KY USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Herrera","sequence":"additional","affiliation":[{"name":"Universidad Complutense 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 Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kenneth S.","family":"Kornman","sequence":"additional","affiliation":[{"name":"University of Michigan  Ann Arbor MI USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Purnima S.","family":"Kumar","sequence":"additional","affiliation":[{"name":"The Ohio State University  Columbus OH USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bruno G.","family":"Loos","sequence":"additional","affiliation":[{"name":"Academic Center for Dentistry (ACTA) University of Amsterdam and Vrije Universiteit Amsterdam  Amsterdam The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eli","family":"Machtei","sequence":"additional","affiliation":[{"name":"Rambam Health Care Campus &amp; Israel Institute of Technology  Haifa Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huanxin","family":"Meng","sequence":"additional","affiliation":[{"name":"Peking University  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrea","family":"Mombelli","sequence":"additional","affiliation":[{"name":"University of Geneva  Geneva Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ian","family":"Needleman","sequence":"additional","affiliation":[{"name":"University College London  London United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Steven","family":"Offenbacher","sequence":"additional","affiliation":[{"name":"University of North Carolina  Chapel Hill NC USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gregory J.","family":"Seymour","sequence":"additional","affiliation":[{"name":"University of Queensland  Brisbane Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ricardo","family":"Teles","sequence":"additional","affiliation":[{"name":"University of Pennsylvania  Philadelphia PA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maurizio S.","family":"Tonetti","sequence":"additional","affiliation":[{"name":"University of Hong Kong  Hong Kong SAR 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