{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,21]],"date-time":"2026-08-21T13:50:24Z","timestamp":1787320224483,"version":"build-2736575974"},"reference-count":64,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2020,7,17]],"date-time":"2020-07-17T00:00:00Z","timestamp":1594944000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Clinic Periodontology"],"published-print":{"date-parts":[[2020,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>The aim of this randomized clinical trial was to compare clinical and volumetric outcomes of tunnel technique (TUN) with subepithelial connective tissue graft (CTG) versus coronally advanced flap (CAF) with enamel matrix derivate (EMD) 2\u00a0years after gingival recession (GR) treatment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and methods<\/jats:title>\n                    <jats:p>Twenty\u2010three patients contributed 45 Miller class I or II GR. At baseline and follow\u2010up examinations, study models were collected. Their three\u2010dimensional scans allowed precise computer\u2010assisted measurement of recession depth (REC), complete root coverage (CRC), percentage of root coverage (RC), pointwise (pTHK) and mean areal (aTHK) marginal soft tissue thickness. Clinical examination delivered probing depths (PPD) and height of keratinized tissue.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      24\u00a0months after surgery, digitally evaluated CRC was present in 60.0% of the TUN\u00a0+\u00a0CTG and 0.0% of the CAF\u00a0+\u00a0EMD\u2010treated sites (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a0.0001), meaning a certain relapse of the gingival margin ragarding both approaches. RC amounted to 94.0% (TUN\u00a0+\u00a0CTG) and 57.3% (CAF\u00a0+\u00a0EMD), respectively (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a0.0001). REC reduction (RECred) was significantly higher for TUN\u00a0+\u00a0CTG (1.81\u00a0\u00b1\u00a00.56\u00a0mm) than for CAF\u00a0+\u00a0EMD (0.90\u00a0\u00b1\u00a00.45\u00a0mm) (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a0.0001). pTHK and aTHK values were significantly greater in the TUN\u00a0+\u00a0CTG group (1.41\u00a0\u00b1\u00a00.35\u00a0mm and 1.11\u00a0\u00b1\u00a00.26\u00a0mm) than in the CAF\u00a0+\u00a0EMD group (0.78\u00a0\u00b1\u00a00.32\u00a0mm and 0.60\u00a0\u00b1\u00a00.26\u00a0mm) (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a0.0001). Statistical analysis detected positive correlations between THK and both RC and RECred (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a0.001).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Two years post\u2010operatively, CTG showed better clinical and volumetric outcomes than EMD. Increased THK values were associated with improved outcomes regarding RC and RECred.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jcpe.13328","type":"journal-article","created":{"date-parts":[[2020,6,8]],"date-time":"2020-06-08T09:04:02Z","timestamp":1591607042000},"page":"1144-1158","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":37,"title":["Tunnel technique with connective tissue graft versus coronally advanced flap with enamel matrix derivate for root coverage: 2\u2010year results of an RCT using 3D digital measuring for volumetric comparison of gingival dimensions"],"prefix":"10.1111","volume":"47","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8315-2015","authenticated-orcid":false,"given":"Otto","family":"Zuhr","sequence":"first","affiliation":[{"name":"Private Practice H\u00fcrzeler\/Zuhr Munich Germany"},{"name":"Department of Periodontology Center of Dentistry and Oral Medicine (Carolinum) Johann Wolfgang Goethe\u2010University Frankfurt\/Main Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4134-9271","authenticated-orcid":false,"given":"Stephan F.","family":"Rebele","sequence":"additional","affiliation":[{"name":"Private Practice Rebele Dinkelsb\u00fchl Germany"},{"name":"Department of Periodontics School of Dental Medicine University of Pennsylvania Philadelphia PA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kirstin","family":"Vach","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Medical Center Institute of Medical Biometry and Statistics University of Freiburg Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8901-8017","authenticated-orcid":false,"given":"Hari","family":"Petsos","sequence":"additional","affiliation":[{"name":"Department of Periodontology Center of Dentistry and Oral Medicine (Carolinum) Johann Wolfgang Goethe\u2010University Frankfurt\/Main Germany"},{"name":"Private Practice Dr. Korte Soest Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Markus B.","family":"H\u00fcrzeler","sequence":"additional","affiliation":[{"name":"Private Practice H\u00fcrzeler\/Zuhr Munich Germany"},{"name":"Department of Operative Dentistry and Periodontology University School of Dentistry Albert\u2010Ludwigs\u2010University Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"name":"the Research Group for Oral Soft Tissue Biology & Wound Healing","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,7,17]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jormas.2017.09.005"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2009.01492.x"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.12112"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.12627"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.1999.70.9.1077"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.2015.150346"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/jre.12094"},{"issue":"2","key":"e_1_2_9_9_1","first-page":"126","article-title":"Connective tissue graft technique assuring wide root coverage","volume":"14","author":"Bruno J. 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