{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,30]],"date-time":"2026-10-30T16:46:52Z","timestamp":1793378812722,"version":"4.5.0"},"reference-count":23,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2011,8,2]],"date-time":"2011-08-02T00:00:00Z","timestamp":1312243200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2012,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    <jats:bold>Objectives:<\/jats:bold>\n                    To investigate the impact of residual defect height (RDH) following guided bone regeneration (GBR) in dehiscence\u2010type defects on the long\u2010term stability of peri\u2010implant health after a period of 4 years.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Material and methods:<\/jats:bold>\n                    The RDH values in dehiscence\u2010type defects at titanium implants were clinically assessed after 4 months of submerged healing following augmentation using a natural bone mineral (NBM) and a randomized application of either a cross\u2010linked\u2010 (VN) or a native collagen membrane (BG) (\n                    <jats:italic>n<\/jats:italic>\n                    =12 patients each). The RDH values were classified as absent (0\u2003mm, control;\n                    <jats:italic>n<\/jats:italic>\n                    =8), minimal (1\u2003mm, test 1;\n                    <jats:italic>n<\/jats:italic>\n                    =8), or advanced (&gt;1\u2003mm, test 2;\n                    <jats:italic>n<\/jats:italic>\n                    =8). Clinical parameters (i.e. bleeding on probing [BOP], probing pocket depth [PD], mucosal recession [MR]) were recorded (mesio\u2010, mid\u2010, and disto\u2010buccal aspects) at 4 years after prosthesis installation.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Results:<\/jats:bold>\n                    The mean PD (2.9\u00b10.7, 2.8\u00b10.7, 2.7\u00b10.8\u2003mm) values at 4 years were comparable in all the groups investigated. The mean MR values tended to be increased in both the test groups (0.5\u00b10.7, 0.4\u00b10.6\u2003mm, respectively), when compared with the control group (0.2\u00b10.3\u2003mm) (\n                    <jats:italic>P<\/jats:italic>\n                    &gt;0.05, respectively). The mean BOP values were also increased in both the test groups (45.8\u00b130.5%, 54.1\u00b124.8%, respectively), even reaching statistical significance when comparing test 2 and control (29.1\u00b121.3%) groups (\n                    <jats:italic>P<\/jats:italic>\n                    =0.02).\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Conclusion:<\/jats:bold>\n                    The present study indicated that (i) implants exhibiting RDH values &gt;1\u2003mm are at a higher risk of developing peri\u2010implant disease and (ii) positive RDH values may be associated with an increase in MR and may therefore compromise the overall esthetic outcome of implant therapy.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>To cite this article:<\/jats:bold>\n                    \u2028Schwarz F, Sahm N, Becker J. Impact of the outcome of guided bone regeneration in dehiscence\u2010type defects on the long\u2010term stability of peri\u2010implant health: clinical observations at 4 years.\n                    <jats:italic>Clin. Oral Impl. Res<\/jats:italic>\n                    <jats:bold>23<\/jats:bold>\n                    , 2012; 191\u2013196. \u2028doi: 10.1111\/j.1600\u20100501.2011.02214.x\n                  <\/jats:p>","DOI":"10.1111\/j.1600-0501.2011.02214.x","type":"journal-article","created":{"date-parts":[[2011,8,2]],"date-time":"2011-08-02T05:50:06Z","timestamp":1312264206000},"page":"191-196","source":"Crossref","is-referenced-by-count":79,"title":["Impact of the outcome of guided bone regeneration in dehiscence\u2010type defects on the long\u2010term stability of peri\u2010implant health: clinical observations at 4 years"],"prefix":"10.1111","volume":"23","author":[{"given":"Frank","family":"Schwarz","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Narja","family":"Sahm","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J\u00fcrgen","family":"Becker","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2011,8,2]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.1997.tb00230.x"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2008.01689.x"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.1996.tb00520.x"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2006.01357.x"},{"key":"e_1_2_6_6_1","first-page":"312","article-title":"Treatment of fenestration and dehiscence bone 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