{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T16:01:14Z","timestamp":1790956874537,"version":"4.1.0"},"reference-count":31,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2018,10,16]],"date-time":"2018-10-16T00:00:00Z","timestamp":1539648000000},"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":["Dental Traumatology"],"published-print":{"date-parts":[[2018,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background\/Aims<\/jats:title>\n                    <jats:p>The number of fractured anterior teeth following trauma has been increasing while not every patient is able to afford a dental implant instead of maintaining the injured tooth. Thus, a tooth conservation solution is required to place an aesthetic and functional restoration without biologic width violation. The aim of this study was to evaluate the effectiveness of minimally traumatic controlled surgical extrusion in fractured anterior teeth crown lengthening by assessing the periodontal status through clinical examination and radiographs.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      This longitudinal observational study investigated a group of 18 patients (six males and 12 females) at the Department of Periodontology, National Hospital of Odonto\u2010stomatology, Ho Chi Minh City, Vietnam. Following pre\u2010surgery procedures and examination, minimally traumatic controlled surgical extrusion was carried out using a periotome. Patients were examined at four follow\u2010up appointments after 1\u00a0week, 1, 3 and 6\u00a0months to record the following experimental variables: periodontal parameters including the gingival index (\n                      <jats:styled-content style=\"fixed-case\">GI<\/jats:styled-content>\n                      ), pocket depth (\n                      <jats:styled-content style=\"fixed-case\">PD<\/jats:styled-content>\n                      ), bleeding on probing (\n                      <jats:styled-content style=\"fixed-case\">BOP<\/jats:styled-content>\n                      ), mobility, marginal gingiva position, alveolar ridge resorption, periapical osteogenesis, tooth resorption and ankylosis.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      All periodontal parameters were significantly decreased at 3 and 6\u00a0months post\u2010procedure (\n                      <jats:italic>P\u00a0<\/jats:italic>\n                      &lt;\n                      <jats:italic>\u00a0<\/jats:italic>\n                      0.001). Tooth mobility decreased gradually following surgery, and at 6\u00a0months, all teeth became normal at level 0. Periapical osteogenesis changes were significantly increased at 1, 3 and 6\u00a0months in comparison with pre\u2010surgery (\n                      <jats:italic>P\u00a0<\/jats:italic>\n                      &lt;\n                      <jats:italic>\u00a0<\/jats:italic>\n                      0.001). Marginal gingiva position and alveolar ridge resorption were not significantly different between pre\u2010surgery and 1, 3 and 6\u00a0months post\u2010surgery. No cases of root resorption or ankylosis were observed at 6\u00a0months post\u2010surgery.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>A minimally traumatic controlled surgical extrusion technique for clinical crown lengthening yielded highly successful results in both aesthetic and functional aspects, and no cases had unfavourable outcomes during the 6\u2010month follow\u2010up period.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/edt.12438","type":"journal-article","created":{"date-parts":[[2018,9,12]],"date-time":"2018-09-12T09:58:52Z","timestamp":1536746332000},"page":"455-463","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Periodontal status of anterior teeth following clinical crown lengthening by minimally traumatic controlled surgical extrusion"],"prefix":"10.1111","volume":"34","author":[{"given":"Hien Tin","family":"Pham","sequence":"first","affiliation":[{"name":"Department of Periodontology National Hospital of Odonto\u2010Stomatology  Ho Chi Minh City Vietnam"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Phuc Anh","family":"Nguyen","sequence":"additional","affiliation":[{"name":"Faculty of Odonto\u2010Stomatology University of Medicine and Pharmacy  Ho Chi Minh City Vietnam"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2679-6604","authenticated-orcid":false,"given":"Thuy Anh Vu","family":"Pham","sequence":"additional","affiliation":[{"name":"Department of Periodontology Faculty of Odonto\u2010Stomatology University of Medicine and Pharmacy  Ho Chi Minh City Vietnam"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,10,16]]},"reference":[{"key":"e_1_2_7_2_1","first-page":"239","volume-title":"Atlas of cosmetic and reconstructive periodontal surgery","author":"Cohen ES","year":"2007"},{"key":"e_1_2_7_3_1","doi-asserted-by":"crossref","first-page":"145","DOI":"10.1002\/9781119014775","volume-title":"Practical periodontal plastic surgery","author":"Dibart S","year":"2017"},{"key":"e_1_2_7_4_1","first-page":"38","article-title":"A new approach using the surgical extrusion procedure as an alternative for the reestablishment of biologic width","volume":"34","author":"Kim SH","year":"2004","journal-title":"Int J Periodontics Restorative Dent"},{"key":"e_1_2_7_5_1","first-page":"175","article-title":"Atraumatic surgical extrusion using periotome in esthetic zone: a case series","volume":"34","author":"Mohan KP","year":"2013","journal-title":"J Conserv Dent"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.11607\/prd.00.0598"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tripleo.2009.09.014"},{"key":"e_1_2_7_8_1","first-page":"165","article-title":"Intra\u2010alveolar transplantation. 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