{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T18:19:27Z","timestamp":1792606767340,"version":"4.5.0"},"reference-count":47,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2023,10,13]],"date-time":"2023-10-13T00:00:00Z","timestamp":1697155200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Esthet Restor Dent"],"published-print":{"date-parts":[[2024,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>Regeneration of the missing papilla adjacent to single implants in the esthetic zone has always been challenging, despite advances in vertical hard and soft tissue regeneration. Orthodontic tooth extrusion has been shown to effectively gain alveolar bone and gingival tissue. This retrospective study evaluated the effectiveness of orthodontic tooth extrusion on regenerating missing papilla between existing maxillary anterior single implant and its adjacent tooth.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Patients who underwent orthodontic tooth extrusion to regenerate missing papilla adjacent to a single implant in the esthetic zone were included in this study. The gingival phenotype, orthodontic extrusion movement, proximal bone level, dento\u2010implant papilla level, facial gingival level, mucogingival junction level, and keratinized tissue width, of the extruded tooth were recorded at pre\u2010orthodontic extrusion (<jats:italic>T<\/jats:italic><jats:sub>0<\/jats:sub>), post\u2010orthodontic extrusion and retention (<jats:italic>T<\/jats:italic><jats:sub>1<\/jats:sub>), and latest follow\u2010up (<jats:italic>T<\/jats:italic><jats:sub>2<\/jats:sub>).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 17 maxillary single tooth had orthodontic tooth extrusion to regenerate missing papilla adjacent to 14 maxillary anterior single implants in 14 patients. After a mean follow\u2010up time of 48.4\u2009months, implant success rate was 100% (14\/14), with none of the orthodontically extruded teeth being extracted. After a mean extrusion and retention period of 14.3\u2009months, a mean orthodontic extrusion movement of 4.62\u2009\u00b1\u20090.78\u2009mm was noted with a mean proximal bone level gain of 3.54\u2009\u00b1\u20090.61\u2009mm (77.0% efficacy), dento\u2010implant papilla level gain of 3.98\u2009\u00b1\u20090.81\u2009mm (86.8% efficacy), and facial gingival tissue gain of 4.27\u2009mm\u2009\u00b1\u20090.55\u2009mm (93.4% efficacy). A mean keratinized tissue width gain of 4.17\u2009\u00b1\u20090.49\u2009mm with minimal mean mucogingival junction level change of 0.10\u2009\u00b1\u20090.30\u2009mm were observed. The efficacy of orthodontic eruption movement on dento\u2010implant papilla gain was less in the thin (80.5%) phenotype group when compared with that in the thick (91.5%) phenotype group.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Within the confines of this study, orthodontic extrusion is an effective, noninvasive method in regenerating mid\u2010term stable proximal bone and papilla adjacent to maxillary anterior single implants.<\/jats:p><\/jats:sec><jats:sec><jats:title>Clinical Significance<\/jats:title><jats:p>This retrospective study presents a mid\u2010term result on orthodontic extrusion as a mean to regenerate dento\u2010implant papilla defect. The extended retention period following orthodontic extrusion showed stable and efficacious proximal bone and papilla gain.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jerd.13147","type":"journal-article","created":{"date-parts":[[2023,10,13]],"date-time":"2023-10-13T11:40:32Z","timestamp":1697197232000},"page":"124-134","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Orthodontic tooth extrusion to regenerate missing papilla adjacent to maxillary anterior single implants: A 2\u2010 to 7\u2010year retrospective study"],"prefix":"10.1111","volume":"36","author":[{"given":"Joseph Y. K.","family":"Kan","sequence":"first","affiliation":[{"name":"Advanced Education in Implant Dentistry, School of Dentistry Loma Linda University  Loma Linda California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kitichai","family":"Rungcharassaeng","sequence":"additional","affiliation":[{"name":"Private Practice in Orthodontics  Claremont California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4482-1903","authenticated-orcid":false,"given":"Shi","family":"Yin","sequence":"additional","affiliation":[{"name":"Advanced Education in Periodontics and Implant Dentistry, School of Dentistry Loma Linda University  Loma Linda California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8140-3095","authenticated-orcid":false,"given":"Philip","family":"Kang","sequence":"additional","affiliation":[{"name":"Division of Periodontics, College of Dental Medicine Columbia University  New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frank","family":"Celenza","sequence":"additional","affiliation":[{"name":"Private practice in Orthodontics and Periodontics  New York New York USA"},{"name":"Department of Orthodontics Rutgers University  Newark New Jersey USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frank","family":"Spear","sequence":"additional","affiliation":[{"name":"Spear Education  Scottsdale Arizona USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ji Yeon","family":"Chung","sequence":"additional","affiliation":[{"name":"Advanced Education in Implant Dentistry, School of Dentistry Loma Linda University  Loma Linda California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jaime L.","family":"Lozada","sequence":"additional","affiliation":[{"name":"Advanced Education in Implant Dentistry, School of Dentistry Loma Linda University  Loma Linda California 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