{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T14:04:58Z","timestamp":1789653898182,"version":"4.0.0"},"reference-count":30,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T00:00:00Z","timestamp":1789603200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T00:00:00Z","timestamp":1789603200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["RS\u20102026\u201025469650"],"award-info":[{"award-number":["RS\u20102026\u201025469650"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Clinic Periodontology"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>To compare peri\u2010implant soft\u2010tissue dimensional changes following wound closure using a suture\u2010free healing abutment attachment (HAA) compared to conventional suturing during implant surgery.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>Thirty patients who were randomly allocated to the HAA group (15 patients, 20 implants) or the suture group (15 patients, 15 implants) were analysed. Clinical parameters including keratinised tissue width (KTW), buccal supracrestal tissue height (STH) and surgery time (seconds) were recorded at posterior maxillary and mandibular implant sites during surgery and over a 6\u2010month follow\u2010up period.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The HAA group demonstrated significantly less decrease in KTW compared to the suture group (\u22120.46\u2009\u00b1\u20090.71\u2009mm vs. \u22121.23\u2009\u00b1\u20090.95\u2009mm at implant level,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05). The extent of STH increase over 6\u2009months was numerically higher in the HAA group than in the suture group (0.95\u2009\u00b1\u20090.47 vs. 0.59\u2009\u00b1\u20090.67\u2009mm), and the difference was statistically significant (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05). The time required for flap stabilisation was significantly shorter in the HAA group (43.73\u2009s vs. 198.27\u2009s,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Applying the suture\u2010free HAA was more time\u2010efficient and could reduce buccal keratinised tissue shrinkage compared to the traditional wound closure by suturing.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jcpe.70200","type":"journal-article","created":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T13:38:41Z","timestamp":1789652321000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Dimensional Changes of the Peri\u2010Implant Mucosa Applying a Suture\u2010Free Wound Closure Using a Healing Abutment Attachment: A Randomised Controlled Clinical Trial"],"prefix":"10.1111","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-3741-3007","authenticated-orcid":false,"given":"Seulbin","family":"Im","sequence":"first","affiliation":[{"name":"Department of Periodontology, Research Institute for Periodontal Regeneration Yonsei University College of Dentistry  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1835-5646","authenticated-orcid":false,"given":"Young Woo","family":"Song","sequence":"additional","affiliation":[{"name":"Department of Periodontology Veterans Health Service Medical Center  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6207-8036","authenticated-orcid":false,"given":"Seung\u2010Hyun","family":"Park","sequence":"additional","affiliation":[{"name":"Department of Periodontology, Research Institute for Periodontal Regeneration Yonsei University College of Dentistry  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6408-1618","authenticated-orcid":false,"given":"Jin\u2010Young","family":"Park","sequence":"additional","affiliation":[{"name":"Department of Periodontology, Research Institute for Periodontal Regeneration Yonsei University College of Dentistry  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1764-7447","authenticated-orcid":false,"given":"Daniel S.","family":"Thoma","sequence":"additional","affiliation":[{"name":"Department of Periodontology, Research Institute for Periodontal Regeneration Yonsei University College of Dentistry  Seoul Republic of Korea"},{"name":"Clinic of Reconstructive Dentistry, Center of Dental Medicine University of Zurich  Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2055-1320","authenticated-orcid":false,"given":"Ronald E.","family":"Jung","sequence":"additional","affiliation":[{"name":"Clinic of Reconstructive Dentistry, Center of Dental Medicine University of Zurich  Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6906-7209","authenticated-orcid":false,"given":"Jae\u2010Kook","family":"Cha","sequence":"additional","affiliation":[{"name":"Department of Periodontology, Research Institute for Periodontal Regeneration Yonsei University College of Dentistry  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6371-4172","authenticated-orcid":false,"given":"Ui\u2010Won","family":"Jung","sequence":"additional","affiliation":[{"name":"Department of Periodontology, Research Institute for Periodontal Regeneration Yonsei University College of Dentistry  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,17]]},"reference":[{"issue":"115","key":"e_1_2_10_2_1","doi-asserted-by":"crossref","first-page":"114453","DOI":"10.1039\/C6RA14525F","article-title":"Polyurethane Types, Synthesis and Applications\u2013a Review","volume":"6","author":"Akindoyo J. 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