{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T12:29:17Z","timestamp":1791289757076,"version":"4.3.0"},"reference-count":26,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2023,10,3]],"date-time":"2023-10-03T00:00:00Z","timestamp":1696291200000},"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":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2023,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>The objective of this study, which included a 5\u2010year follow\u2010up, was to compare peri\u2010implant soft tissue health, crestal bone loss (CBL), and buccal bone thickness (BBT) around triangular cross\u2010section neck (TN) or round neck (RN) implants, using cone\u2010beam computed tomography.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>This study was initially designed as a prospective 1\u2010year randomized controlled study and then extended with a 5\u2010year retrospective evaluation of clinical and radiographic records. In the initial 1\u2010year study, a total of 20edentulous patients receiving 40 implants with similar diameters were randomly assigned to the RN or TN groups using a split\u2010mouth design. Pocket probing depths (PPD), plaque index (PI), and gingival index (GI) were recorded at postoperative month 12. CBL and BBT at three levels (0, \u22122, and \u22124\u2009mm) were evaluated 1\u2009year after insertion. Five years after insertion, PPD, PI, GI, CBL, and BBT were recorded as patients were recalled for clinical and radiographic monitoring.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Nineteen patients completed the study. After 5\u2009years, no significant differences in PPD, PI, and GI scores and BBT values between the two groups (<jats:italic>p<\/jats:italic>\u2009&gt;\u2009.05). The mean\u2009\u00b1\u2009SD CBL values at the final follow\u2010up visit were \u22120.71\u2009\u00b1\u20090.69\u2009mm for TN and \u22121.03\u2009\u00b1\u20090.86\u2009mm for RN (<jats:italic>p<\/jats:italic>\u2009&lt;\u2009.01).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>These results suggest better crestal bone preservation using implants with TN when compared to RN after a 5\u2010year follow\u2010up. However, TN showed similar results to RN regarding peri\u2010implant soft tissue health and BBT.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.14190","type":"journal-article","created":{"date-parts":[[2023,10,3]],"date-time":"2023-10-03T16:04:06Z","timestamp":1696349046000},"page":"1309-1317","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["The effect of triangular cross\u2010section neck design on crestal bone stability in the anterior mandible: A retrospective study with a 5\u2010year follow\u2010up"],"prefix":"10.1111","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1149-2886","authenticated-orcid":false,"given":"Berkay","family":"Tokuc","sequence":"first","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, Faculty of Dentistry Kocaeli University  Kocaeli Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6980-2085","authenticated-orcid":false,"given":"Bahad\u0131r","family":"Kan","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, Faculty of Dentistry \u0130stanbul Okan University  Istanbul Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,10,3]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1708\u20108208.2006.00016.x"},{"issue":"1","key":"e_1_2_10_3_1","first-page":"11","article-title":"The long\u2010term efficacy of currently used dental implants: A review and proposed criteria of success","volume":"1","author":"Albrektsson T.","year":"1986","journal-title":"The International Journal of Oral & Maxillofacial Implants"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.11607\/jomi.7419"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1515\/bmt\u20102012\u20100108"},{"issue":"2","key":"e_1_2_10_6_1","first-page":"290","article-title":"Implant neck configurations for preservation of marginal bone level: A systematic review","volume":"26","author":"Bateli M.","year":"2011","journal-title":"The International Journal of Oral & Maxillofacial Implants"},{"key":"e_1_2_10_7_1","first-page":"1146","volume-title":"Clinical periodontology and implant dentistry: Implants in the esthetic zone","author":"Belser U. 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