{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T07:20:37Z","timestamp":1791357637934,"version":"4.3.1"},"reference-count":13,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2014,3,26]],"date-time":"2014-03-26T00:00:00Z","timestamp":1395792000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Clinic of Fixed and Removable Prosthodontics"},{"name":"Dental Material Science"},{"name":"Clinic of Preventive Dentistry"},{"name":"Periodontology and Cariology"},{"name":"Center of Dental Medicine"},{"DOI":"10.13039\/501100006447","name":"University of Zurich","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100006447","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Clinic Periodontology"],"published-print":{"date-parts":[[2014,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To volumetrically evaluate soft tissue changes of different ridge preservation techniques compared to spontaneous healing 6\u00a0months after tooth extraction.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>In each of 40 patients, one single\u2010rooted tooth was extracted and four treatment modalities were randomly assigned to the following groups (n\u00a0=\u00a010 each): A) \u00df\u2010tricalcium\u2010phosphate\u2010particles with a polylactid coating (\u00df\u2010<jats:styled-content style=\"fixed-case\">TCP<\/jats:styled-content>), B) demineralized bovine bone mineral with 10% collagen covered with a collagen matrix (<jats:styled-content style=\"fixed-case\">DBBM<\/jats:styled-content>\u2010C\/<jats:styled-content style=\"fixed-case\">CM<\/jats:styled-content>), C) <jats:styled-content style=\"fixed-case\">DBBM<\/jats:styled-content> with 10% collagen covered with an autogenous soft tissue punch graft (<jats:styled-content style=\"fixed-case\">DBBM<\/jats:styled-content>\u2010C\/<jats:styled-content style=\"fixed-case\">PG<\/jats:styled-content>), D) spontaneous healing (control). Impressions were obtained before extraction and 6\u00a0months later, casts were digitized and volumetric changes at the buccal soft tissues were determined. One\u2010way <jats:sc>anova<\/jats:sc> was performed and pair\u2010wise Wilcoxon rank sum test with Bonferroni\u2010Holm method was applied for comparison of differences between two groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>After 6\u00a0months, horizontal contour changes accounted for \u22121.7\u00a0\u00b1\u00a00.7\u00a0mm (A), \u22121.2\u00a0\u00b1\u00a00.5\u00a0mm (B), \u22121.2\u00a0\u00b1\u00a00.7\u00a0mm (C) and \u22121.8\u00a0\u00b1\u00a00.8\u00a0mm (D). None of the group comparisons reached statistical significance.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Six months after tooth extraction all groups revealed a horizontal volume change in the buccal soft tissue contour. Application of <jats:styled-content style=\"fixed-case\">DBBM<\/jats:styled-content>\u2010C\/<jats:styled-content style=\"fixed-case\">CM<\/jats:styled-content> or <jats:styled-content style=\"fixed-case\">DBBM<\/jats:styled-content>\u2010C\/<jats:styled-content style=\"fixed-case\">PG<\/jats:styled-content> reduced the amount of volume resorption compared to \u00df\u2010<jats:styled-content style=\"fixed-case\">TCP<\/jats:styled-content> or spontaneous healing without reaching statistically significant difference.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jcpe.12246","type":"journal-article","created":{"date-parts":[[2014,3,4]],"date-time":"2014-03-04T19:18:44Z","timestamp":1393960724000},"page":"612-617","source":"Crossref","is-referenced-by-count":58,"title":["Labial soft tissue volume evaluation of different techniques for ridge preservation after tooth extraction: a randomized controlled clinical trial"],"prefix":"10.1111","volume":"41","author":[{"given":"David","family":"Schneider","sequence":"first","affiliation":[{"name":"Clinic of Fixed and Removable Prosthodontics and Dental Material Science Center of Dental Medicine University of Zurich Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patrick R.","family":"Schmidlin","sequence":"additional","affiliation":[{"name":"Clinic of Preventive Dentistry, Periodontology and Cariology Center of Dental Medicine University of Zurich Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexander","family":"Philipp","sequence":"additional","affiliation":[{"name":"Clinic of Preventive Dentistry, Periodontology and Cariology Center of Dental Medicine University of Zurich Zurich Switzerland"},{"name":"Private Practice Effretikon Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beat M.","family":"Annen","sequence":"additional","affiliation":[{"name":"Private Practice Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Valerie","family":"Ronay","sequence":"additional","affiliation":[{"name":"Clinic of Preventive Dentistry, Periodontology and Cariology Center of Dental Medicine University of Zurich Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christoph H. F.","family":"H\u00e4mmerle","sequence":"additional","affiliation":[{"name":"Clinic of Fixed and Removable Prosthodontics and Dental Material Science Center of Dental Medicine University of Zurich Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Attin","sequence":"additional","affiliation":[{"name":"Clinic of Preventive Dentistry, Periodontology and Cariology Center of Dental Medicine University of Zurich Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ronald E.","family":"Jung","sequence":"additional","affiliation":[{"name":"Clinic of Fixed and Removable Prosthodontics and Dental Material Science Center of Dental Medicine University of Zurich Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2014,3,26]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.14219\/jada.archive.1960.0152"},{"key":"e_1_2_7_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":"Araujo M.","year":"2008","journal-title":"The International Journal of Periodontics & Restorative Dentistry"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2004.00565.x"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2009.01381.x"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2008.01209.x"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00784-012-0758-5"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.12027"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/0022-3913(67)90046-7"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2010.01987.x"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2011.02375.x"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.12111"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2010.01581.x"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2011.02331.x"}],"container-title":["Journal of Clinical Periodontology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Fjcpe.12246","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Fjcpe.12246","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/jcpe.12246","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,2]],"date-time":"2023-10-02T15:13:05Z","timestamp":1696259585000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/jcpe.12246"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014,3,26]]},"references-count":13,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2014,6]]}},"alternative-id":["10.1111\/jcpe.12246"],"URL":"https:\/\/doi.org\/10.1111\/jcpe.12246","archive":["Portico"],"relation":{},"ISSN":["0303-6979","1600-051X"],"issn-type":[{"value":"0303-6979","type":"print"},{"value":"1600-051X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2014,3,26]]}}}