{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T07:20:39Z","timestamp":1791357639199,"version":"4.3.1"},"reference-count":41,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2019,3,14]],"date-time":"2019-03-14T00:00:00Z","timestamp":1552521600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Capital Medical Development and Research Fund, PRC","award":["2011-4025-04"],"award-info":[{"award-number":["2011-4025-04"]}]},{"name":"Capital foundation for Clinical Characteristics and Application Research","award":["#Z161100000516042"],"award-info":[{"award-number":["#Z161100000516042"]}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2019,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To use cone beam computed tomography (CBCT) to assess the alterations of socket dimensions after a 6\u2010month healing period following molar extraction.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>Seventeen molars were extracted due to advanced periodontitis. CBCT scans were taken immediately after extraction and once more 6\u00a0months later. Superimposition of CBCT images was used to measure the following: horizontal changes at extraction sites at three corono\u2010apical levels (\u22121, \u22123, and \u22125\u00a0mm) below the bone crest, three mesio\u2010distal levels (mesial, central, and distal), vertical changes at nine regions of the alveolar crest, and alveolar bone volume.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The width of the central crests at \u22121\u00a0mm decreased by 0.59 and 0.72\u00a0mm in the buccal and 0.27 and 0.02\u00a0mm in the lingual, in the maxilla and mandible, respectively. No statistically significant decreases in the ridge height were observed except in the disto\u2010palatal region with a 1.11\u00a0mm decrease in the maxilla (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.05). Heights of the buccal and lingual bone plates decreased significantly and ranged from 0.56 to 1.38\u00a0mm in the mandible after 6\u00a0months of healing (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.05). Overall, ridge height changes were not significantly different between the maxilla and mandible (<jats:italic>p<\/jats:italic>\u00a0&gt;\u00a00.05) and no significant volumetric bone loss occurred in either maxillary or mandibular sockets after 6\u00a0months of healing.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Socket dimensions of molars with advanced periodontal disease showed a significant increase at the middle\u2010central portion, although there were no significant changes of horizontal width 6\u00a0months following the procedures.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.13418","type":"journal-article","created":{"date-parts":[[2019,2,26]],"date-time":"2019-02-26T06:44:07Z","timestamp":1551163447000},"page":"324-335","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["Changes in alveolar process dimensions following extraction of molars with advanced periodontal disease: A clinical pilot study"],"prefix":"10.1111","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6055-3884","authenticated-orcid":false,"given":"Liping","family":"Zhao","sequence":"first","affiliation":[{"name":"Department of Periodontology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology Peking University School and Hospital of Stomatology Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yiping","family":"Wei","sequence":"additional","affiliation":[{"name":"Department of Periodontology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology Peking University School and Hospital of Stomatology Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tao","family":"Xu","sequence":"additional","affiliation":[{"name":"Department of Emergency, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology Peking University School and Hospital of Stomatology Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bo","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Periodontology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology Peking University School and Hospital of Stomatology Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenjie","family":"Hu","sequence":"additional","affiliation":[{"name":"Department of Periodontology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology Peking University School and Hospital of Stomatology Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kwok\u2010Hung","family":"Chung","sequence":"additional","affiliation":[{"name":"Department of Restorative Dentistry University of Washington Seattle Washington"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,3,14]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00784-008-0231-7"},{"key":"e_1_2_8_3_1","first-page":"1133","article-title":"Bone tissue formation in extraction sockets from sites with advanced periodontal disease: A histomorphometric study in humans","volume":"23","author":"Ahn J. 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