{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T13:01:04Z","timestamp":1785502864854,"version":"3.56.0"},"reference-count":34,"publisher":"MJS Publishing, Medical Journals Sweden AB","license":[{"start":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T00:00:00Z","timestamp":1785456000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["AOS"],"abstract":"<jats:p>treatment strategies, and prognostic assessments made by dental hygienists in general dentistry, compared with the 1999 classification.\nMaterials and Methods: A questionnaire comprising five patient cases was administered to dental hygienists in Sweden on two separate occasions. For each case, diagnoses, treatment plans, and prognostic assessments were proposed, first using the 1999 and subsequently the 2018 classification. Cases ranged from no marginal bone loss attributed to periodontitis and few (&lt;10%) bleeding sites to marginal bone loss &gt;30% and generalized inflammation (&gt;30%). Answers from the two occasions were compared.\nResults: A total of 142 dental hygienists completed both questionnaires. Diagnostic assessments changed significantly in three of the five cases when using the 2018 classification (p &lt; 0.05). In four cases, fewer treatment sessions were recommended, and more optimistic prognostic assessments were made when using the 2018 classification (p &lt; 0.05).\nConclusion: The 2018 classification resulted in greater variation in proposed diagnoses in cases without clear attachment loss and was associated with fewer recommended treatment sessions and more optimistic prognostic assessments. However, it appeared at least as effective as the 1999 classification in identifying cases with periodontitis.<\/jats:p>","DOI":"10.2340\/aos.v85.46574","type":"journal-article","created":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T12:06:35Z","timestamp":1785499595000},"page":"503-510","source":"Crossref","is-referenced-by-count":0,"title":["Impact of the 2018 periodontal classification on diagnosis, treatment strategies, and assessment of prognosis by dental hygienists in Swedish general dental care"],"prefix":"10.2340","volume":"85","author":[{"given":"Emelie","family":"Stenberg","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nina","family":"Lundegren","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bengt","family":"G\u00f6trick","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aleksandar","family":"Milosavljevic","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1183","published-online":{"date-parts":[[2026,7,31]]},"reference":[{"key":"164339","doi-asserted-by":"crossref","unstructured":"Caton JG, Armitage G, Berglundh T, Chapple ILC, Jepsen S, Kornman KS, et al. A new classification scheme for periodontal and peri-implant diseases and conditions \u2013 introduction and key changes from the 1999 classification. J Periodontol. 2018;89 Suppl 1:S1\u20138.","DOI":"10.1002\/JPER.18-0157"},{"key":"164340","unstructured":"Chapple ILC, Mealey BL, Van Dyke TE, Bartold PM, Dommisch H, Eickholz P, et al. Periodontal health and gingival diseases and conditions on an intact and a reduced periodontium: consensus report of workgroup 1 of the 2017 World Workshop on the classification of periodontal and peri-implant diseases and conditions. J Periodontol. 2018;89 Suppl 1:S74\u201384."},{"key":"164341","unstructured":"Papapanou PN, Sanz M, Buduneli N, Dietrich T, Feres M, Fine DH,"},{"key":"164342","unstructured":"et al. Periodontitis: consensus report of workgroup 2 of the 2017 world workshop on the classification of periodontal and peri-implant diseases and conditions. 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Periodontal diagnosis affected by variation in terminology. J Periodontol. 2013;84(5):606\u201313.","DOI":"10.1902\/jop.2012.110743"},{"key":"164347","doi-asserted-by":"crossref","unstructured":"Milosavljevic A, G\u00f6trick B, Hallstr\u00f6m H, Jansson H, Knutsson K. Different treatment strategies are applied to patients with the same periodontal status in general dentistry. Acta Odontol Scand. 2014;72(4):290\u20137.","DOI":"10.3109\/00016357.2013.824605"},{"key":"164348","doi-asserted-by":"crossref","unstructured":"Dietrich T, Ower P, Tank M, West NX, Walter C, Needleman I, et al. Periodontal diagnosis in the context of the 2017 classification system of periodontal diseases and conditions \u2013 implementation in clinical practice. Br Dent J. 2019;226(1):16\u201322.","DOI":"10.1038\/sj.bdj.2019.3"},{"key":"164349","doi-asserted-by":"crossref","unstructured":"Abrahamian L, Pascual\u2010LaRocca A, Barallat L, Valles C, Herrera D, Sanz M, et al. Intra\u2010and inter\u2010examiner reliability in classifying periodontitis according to the 2018 classification of periodontal diseases. J Clin Periodontol. 2022;49(8):732\u20139.","DOI":"10.1111\/jcpe.13618"},{"key":"164350","doi-asserted-by":"crossref","unstructured":"Ravid\u00e0 A, Travan S, Saleh MHA, Greenwell H, Papapanou PN, Sanz M, et al. Agreement among international periodontal experts using the 2017 World Workshop classification of periodontitis. J Periodontol. 2021;92(12):1675\u201386.","DOI":"10.1002\/JPER.20-0825"},{"key":"164351","doi-asserted-by":"crossref","unstructured":"Marini L, Tonetti MS, Nibali L, Rojas MA, Aimetti M, Cairo F, et al. The staging and grading system in defining periodontitis cases: consistency and accuracy amongst periodontal experts, general dentists and undergraduate students. 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