{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T22:06:38Z","timestamp":1788300398295,"version":"build-2803163510"},"reference-count":51,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2020,1,9]],"date-time":"2020-01-09T00:00:00Z","timestamp":1578528000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["aap.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Periodontology"],"published-print":{"date-parts":[[2020,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Whether immediate provisionalization can preserve facial tissue contour remains undetermined. The goal of this 12\u2010month randomized controlled clinical trial was to compare three\u2010dimensional (3D) ridge changes after immediate implant placement with and without immediate provisionalization.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Forty participants with an unrestorable maxillary anterior or premolar tooth were randomized to receive either a provisional crown (test) or standard healing abutment (control) after immediate implant placement. In each participant, three digital models taken before implant surgery, final crown delivery (4 months), and final follow\u2010up (12 months) were registered to analyze linear deviation in 3D and volume changes of ridge contour at the implant site.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The mean value of mid\u2010facial linear 3D spatial resorption ranged from 0.1 to 0.7\u00a0mm. Significant difference of linear changes of facial contour was noted over time and not between the groups. Facial volume changes at 12 months remained significantly higher in the control group than in the test group (17.4%\u00a0versus 11.9%,\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0=\u00a00.04).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Linear changes of facial soft\u2010tissue resorption at immediately placed implants were independent of immediate provisionalization. However, immediate provisionalization showed better volume preservation at the esthetic concern area (mid\u2010facial margin and 2 to 6\u00a0mm above) at the final 12\u2010month follow\u2010up.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/jper.19-0308","type":"journal-article","created":{"date-parts":[[2019,12,17]],"date-time":"2019-12-17T10:38:35Z","timestamp":1576579115000},"page":"906-916","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Volumetric facial contour changes of immediately placed implants with and without immediate provisionalization"],"prefix":"10.1002","volume":"91","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9636-2038","authenticated-orcid":false,"given":"I\u2010Ching","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Periodontics and Oral Medicine University of Michigan School of Dentistry  Ann Arbor MI"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5952-0447","authenticated-orcid":false,"given":"Hsun\u2010Liang","family":"Chan","sequence":"additional","affiliation":[{"name":"Department of Periodontics and Oral Medicine University of Michigan School of Dentistry  Ann Arbor MI"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Janet","family":"Kinney","sequence":"additional","affiliation":[{"name":"Department of Periodontics and Oral Medicine University of Michigan School of Dentistry  Ann Arbor MI"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4238-1799","authenticated-orcid":false,"given":"Hom\u2010Lay","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Periodontics and Oral Medicine University of Michigan School of Dentistry  Ann Arbor MI"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,1,9]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.11607\/prd.2022"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.12571"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1708-8240.2008.00178.x"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.11607\/jomi.2014suppl.g3.3"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1177\/0022034513506713"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/prd.12167"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2004.00565.x"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2005.00726.x"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2012.01888.x"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.joms.2009.07.009"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2008.01674.x"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2010.01687.x"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2004.01020.x"},{"key":"e_1_2_8_15_1","first-page":"657","article-title":"Immediate implant placement and provisionalization with and without a connective tissue graft: an analysis of facial gingival tissue thickness","volume":"32","author":"Rungcharassaeng K","year":"2012","journal-title":"Int J Periodontics Restorative Dent"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2007.01413.x"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2012.01921.x"},{"key":"e_1_2_8_18_1","doi-asserted-by":"crossref","first-page":"216","DOI":"10.11607\/jomi.2013.g3","article-title":"Consensus statements and recommended clinical procedures regarding optimizing esthetic outcomes in implant dentistry","volume":"29","author":"Morton D","year":"2014","journal-title":"Int J Oral Maxillofac Implants"},{"key":"e_1_2_8_19_1","first-page":"345","article-title":"Relationship between clinical periodontal biotype and labial plate thickness: an in vivo study","volume":"31","author":"Cook DR","year":"2011","journal-title":"Int J Periodontics Restorative Dent"},{"key":"e_1_2_8_20_1","first-page":"218","article-title":"Immediate total tooth replacement","volume":"22","author":"Garber DA","year":"2001","journal-title":"Compend Contin Educ Dent"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1111\/prd.12212"},{"key":"e_1_2_8_22_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1708-8208.2007.00029.x"},{"key":"e_1_2_8_23_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2010.01650.x"},{"key":"e_1_2_8_24_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.2014.130632"},{"key":"e_1_2_8_25_1","doi-asserted-by":"publisher","DOI":"10.1111\/clr.13125"},{"key":"e_1_2_8_26_1","first-page":"237","article-title":"Gingival biotype assessment in the esthetic zone: visual versus direct measurement","volume":"30","author":"Kan JY","year":"2010","journal-title":"Int J Periodontics Restorative Dent"},{"key":"e_1_2_8_27_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.13171"},{"key":"e_1_2_8_28_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2010.01937.x"},{"key":"e_1_2_8_29_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":"Int J Periodontics Restorative Dent"},{"key":"e_1_2_8_30_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2009.01824.x"},{"key":"e_1_2_8_31_1","doi-asserted-by":"publisher","DOI":"10.1111\/clr.12896"},{"key":"e_1_2_8_32_1","doi-asserted-by":"publisher","DOI":"10.11607\/prd.1821"},{"key":"e_1_2_8_33_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2008.01209.x"},{"key":"e_1_2_8_34_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2008.01237.x"},{"key":"e_1_2_8_35_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2007.01388.x"},{"key":"e_1_2_8_36_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2009.01825.x"},{"key":"e_1_2_8_37_1","doi-asserted-by":"publisher","DOI":"10.1111\/cid.12014"},{"key":"e_1_2_8_38_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.2004.75.4.572"},{"key":"e_1_2_8_39_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2009.01848.x"},{"key":"e_1_2_8_40_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2006.01315.x"},{"key":"e_1_2_8_41_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2010.01920.x"},{"key":"e_1_2_8_42_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2009.01842.x"},{"key":"e_1_2_8_43_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2009.01870.x"},{"key":"e_1_2_8_44_1","first-page":"1514","article-title":"Evaluation of buccal alveolar bone dimension of maxillary anterior and premolar teeth: a cone beam computed tomography investigation","volume":"27","author":"Vera C","year":"2012","journal-title":"Int J Oral Maxillofac Implants"},{"key":"e_1_2_8_45_1","first-page":"1107","article-title":"Single\u2010tooth replacement in the aesthetic zone with immediate provisionalization: fourteen consecutive case reports","volume":"10","author":"Wohrle PS","year":"1998","journal-title":"Pract Periodontics Aesthet Dent"},{"key":"e_1_2_8_46_1","first-page":"817","article-title":"Immediate placement and provisionalization of maxillary anterior single implants: a surgical and prosthodontic rationale","volume":"12","author":"Kan JY","year":"2000","journal-title":"Pract Periodontics Aesthet Dent"},{"key":"e_1_2_8_47_1","doi-asserted-by":"publisher","DOI":"10.11607\/prd.3123"},{"key":"e_1_2_8_48_1","first-page":"335","article-title":"Considerations of implant abutment and crown contour: critical contour and subcritical contour","volume":"30","author":"Su H","year":"2010","journal-title":"Int J Periodontics Restorative Dent"},{"key":"e_1_2_8_49_1","first-page":"524\u2010532, 534","article-title":"The dual\u2010zone therapeutic concept of managing immediate implant placement and provisional restoration in anterior extraction sockets","volume":"33","author":"Chu SJ","year":"2012","journal-title":"Compend Contin Educ Dent"},{"key":"e_1_2_8_50_1","doi-asserted-by":"publisher","DOI":"10.11607\/prd.2178"},{"key":"e_1_2_8_51_1","doi-asserted-by":"publisher","DOI":"10.1111\/cid.12222"},{"key":"e_1_2_8_52_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.12666"}],"container-title":["Journal of Periodontology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2FJPER.19-0308","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/JPER.19-0308","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1002\/JPER.19-0308","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/aap.onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/JPER.19-0308","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,19]],"date-time":"2025-10-19T14:15:59Z","timestamp":1760883359000},"score":1,"resource":{"primary":{"URL":"https:\/\/aap.onlinelibrary.wiley.com\/doi\/10.1002\/JPER.19-0308"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,1,9]]},"references-count":51,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2020,7]]}},"alternative-id":["10.1002\/JPER.19-0308"],"URL":"https:\/\/doi.org\/10.1002\/jper.19-0308","archive":["Portico"],"relation":{},"ISSN":["0022-3492","1943-3670"],"issn-type":[{"value":"0022-3492","type":"print"},{"value":"1943-3670","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,1,9]]},"assertion":[{"value":"2019-05-20","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2019-12-01","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2020-01-09","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}