{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T01:59:21Z","timestamp":1789610361977,"version":"build-2803163510"},"reference-count":43,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2019,5,31]],"date-time":"2019-05-31T00:00:00Z","timestamp":1559260800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100007619","name":"Osteology Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100007619","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Clinic Periodontology"],"published-print":{"date-parts":[[2019,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>To radiographically evaluate the effect of immediate implant placement plus alveolar ridge preservation (ARP) with a deproteneized bovine bone mineral and a collagen matrix (IMPL\/DBBM\/CM) as compared to ARP (DBBM\/CM) or spontaneous healing (SH) on vertical and horizontal bone dimensional changes after 4\u00a0months of healing.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>Thirty patients requiring extraction of one single\u2010rooted tooth or premolar were randomly assigned to IMPL\/DBBM\/CM, ARP DBBM\/CM or SH. Cone\u2010beam computed tomography (CBCT) scans, performed before tooth extraction and after 4\u00a0months, were superimposed in order to assess changes in ridge height at the buccal and lingual aspect and in ridge width at 1\u00a0mm, 3\u00a0mm and 5\u00a0mm apical to the bone crest. Kruskal\u2013Wallis test was applied for comparison of differences between groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>No statistically significant differences between the groups were observed for the vertical bone resorption of the buccal and the lingual side, while significant differences were found between SH group (\u22123.37\u00a0\u00b1\u00a01.55\u00a0mm; \u221243.2\u00a0\u00b1\u00a025.1%) and both DBBM\/CM (\u22121.56\u00a0\u00b1\u00a00.76\u00a0mm; \u221219.2\u00a0\u00b1\u00a09.1%) and IMPL\/DBBM\/CM (\u22121.29\u00a0\u00b1\u00a00.38\u00a0mm; \u221214.9\u00a0\u00b1\u00a04.9%) groups in the horizontal dimension at the most coronal aspect.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Ridge preservation techniques using DBBM and CM reduce the horizontal bone morphological changes that occur, mostly in the coronal portion of the buccal bone plate following tooth extraction, when compared to spontaneous healing. This is true regardless of whether immediate implant placement is performed or not.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jcpe.13125","type":"journal-article","created":{"date-parts":[[2019,5,3]],"date-time":"2019-05-03T12:08:53Z","timestamp":1556885333000},"page":"776-786","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":48,"title":["The effect of immediate implant placement on alveolar ridge preservation compared to spontaneous healing after tooth extraction: Radiographic results of a randomized controlled clinical trial"],"prefix":"10.1111","volume":"46","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1827-5200","authenticated-orcid":false,"given":"Marco","family":"Clementini","sequence":"first","affiliation":[{"name":"Department of Periodontology Universit\u00e0 Vita\u2010Salute San Raffaele Milan Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Agnese","family":"Agostinelli","sequence":"additional","affiliation":[{"name":"Department of Periodontology Universit\u00e0 Vita\u2010Salute San Raffaele Milan Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Walter","family":"Castelluzzo","sequence":"additional","affiliation":[{"name":"Department of Periodontology Universit\u00e0 Vita\u2010Salute San Raffaele Milan Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Federica","family":"Cugnata","sequence":"additional","affiliation":[{"name":"University Centre of Statistics for Biomedical Sciences (CUSSB) Universit\u00e0 Vita\u2010Salute San Raffaele Milan Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fabio","family":"Vignoletti","sequence":"additional","affiliation":[{"name":"Department of Periodontology Universit\u00e0 Vita\u2010Salute San Raffaele Milan Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Massimo","family":"De Sanctis","sequence":"additional","affiliation":[{"name":"Department of Periodontology Universit\u00e0 Vita\u2010Salute San Raffaele Milan Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,5,31]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/clr.12366"},{"key":"e_1_2_9_3_1","first-page":"123","article-title":"The influence of Bio\u2010Oss collagen on healing of an extraction socket: An experimental study in the dog","volume":"28","author":"Ara\u00fajo M. 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