{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,29]],"date-time":"2026-10-29T17:34:37Z","timestamp":1793295277781,"version":"4.5.0"},"reference-count":29,"publisher":"Springer Science and Business Media LLC","issue":"12","license":[{"start":{"date-parts":[[2024,11,30]],"date-time":"2024-11-30T00:00:00Z","timestamp":1732924800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2024,11,30]],"date-time":"2024-11-30T00:00:00Z","timestamp":1732924800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"name":"Herzzentrum G\u00f6ttingen"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Clin Oral Invest"],"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                <jats:title>Objectives<\/jats:title>\n                <jats:p>This prospective controlled clinical trial aimed to compare periodontal parameters of proximal deep-margin-elevation (DME) restoration margins with supragingival\/equigingival restoration margins (control) on the opposite proximal surface of the same tooth.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Materials and methods<\/jats:title>\n                <jats:p>Subgingival one-sided proximal defects (mesial or distal) on (pre-)molars were restored with composite DME and CAD\/CAM-manufactured lithium disilicate ceramic partial-coverage restorations. Periodontal parameters (bleeding on probing (BOP), periodontal probing depths (PPD), plaque index (PI)) were recorded after insertion of the ceramic restoration (baseline) and at 1-year recall visit and compared between DME and control on the same tooth (Fisher\u2019s exact test and Wilcoxon signed rank test, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Sixty-eight patients with 77 restorations were included. At baseline, periodontal parameters did not differ between DME and control. Sixty-two restorations could be examined after 1 year. BOP was significantly increased for DME (p<jats:sub>adj.<\/jats:sub>\u2009=\u20090.003), but not for control (p<jats:sub>adj.<\/jats:sub>\u2009=\u20090.714). Surfaces with DME showed a significantly higher proportion of BOP than control surfaces (DME: 45 restorations (73.8%), control: 27 restorations (44.3%); p<jats:sub>adj.<\/jats:sub>\u2009=\u20090.005). PI increased significantly on all tooth surfaces (p<jats:sub>adj.<\/jats:sub>&lt;0.001), but did not differ between DME and control side (p<jats:sub>adj.<\/jats:sub>\u2009=\u20090.162). Probing depths did not differ between baseline and follow-up (DME: p<jats:sub>adj.<\/jats:sub>\u2009=\u20090.199, control: p<jats:sub>adj.<\/jats:sub>\u2009=\u20090.116). Two restorations were replaced due to a ceramic fracture and secondary caries.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>Proximal DME is associated with increased gingival inflammation compared to supragingival or equigingival restoration margins.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Clinical relevance<\/jats:title>\n                <jats:p>DME is a promising treatment approach for indirect restoration of teeth with deep proximal defects, but gingival inflammation should be expected.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00784-024-06053-y","type":"journal-article","created":{"date-parts":[[2024,11,30]],"date-time":"2024-11-30T00:56:30Z","timestamp":1732928190000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Periodontal health in teeth treated with deep-margin-elevation and CAD\/CAM partial lithium disilicate restorations\u2014a prospective controlled trial"],"prefix":"10.1007","volume":"28","author":[{"given":"Tim","family":"Hausd\u00f6rfer","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Clemens","family":"Lechte","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Philipp","family":"Kanzow","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tina","family":"R\u00f6dig","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Annette","family":"Wiegand","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,11,30]]},"reference":[{"key":"6053_CR1","doi-asserted-by":"publisher","first-page":"237","DOI":"10.1111\/j.1365-2842.1976.tb00949.x","volume":"3","author":"J Valderhaug","year":"1976","unstructured":"Valderhaug J, Birkeland JM (1976) Periodontal conditions in patients 5 years following insertion of fixed prostheses. 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