{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T19:21:26Z","timestamp":1790018486926,"version":"4.0.1"},"reference-count":31,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2024,6,17]],"date-time":"2024-06-17T00:00:00Z","timestamp":1718582400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82170953"],"award-info":[{"award-number":["82170953"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100019540","name":"Science Fund for Distinguished Young Scholars of Zhejiang Province","doi-asserted-by":"publisher","award":["LR23H140001"],"award-info":[{"award-number":["LR23H140001"]}],"id":[{"id":"10.13039\/501100019540","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["aap.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Periodontology"],"published-print":{"date-parts":[[2025,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>To date, the clinical evidence regarding the effectiveness of alveolar ridge preservation (ARP) in restricting alveolar bone height and width change after extraction at periodontally compromised molar extraction sockets still remains controversial. This retrospective cohort study aims to evaluate the effect of ARP in molars extracted for periodontal reasons.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Retrospective data were collected from patient electronic records from January 2019 to December 2023. Patients with Stage III\/IV periodontitis who underwent extraction of molars for periodontal reasons were screened for eligibility. The outcomes included the horizontal and vertical dimensions of alveolar bone. The need for additional augmentation procedure during implantation was also evaluated. A linear regression model was used to adjust for known confounders.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 80 sockets were included in this study, of which 27 sockets received ARP therapy after extraction while 53 sockets experienced natural healing (NH). ARP resulted in significantly less bone height change in the periodontally compromised molar sites compared to the NH group (<jats:italic>p\u00a0<\/jats:italic>&lt;\u00a00.001). In sockets displaying a height disparity of &gt;2\u00a0mm between the buccal and palatal\/lingual walls, the ARP group exhibited advantageous outcomes in terms of ridge width change, surpassing the NH group (<jats:italic>p\u00a0<\/jats:italic>=\u00a00.004). Moreover, the percentage for additional augmentation was significantly reduced in the ARP compared to the NH group (<jats:italic>p\u00a0<\/jats:italic>=\u00a00.006). Age, sex, smoking, jaw, location, and buccal wall thickness did not show any significant effect on bone height change.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>ARP had benefits on limiting ridge resorption subsequent to molar extraction for periodontal reasons.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jper.24-0064","type":"journal-article","created":{"date-parts":[[2024,6,17]],"date-time":"2024-06-17T11:00:19Z","timestamp":1718622019000},"page":"9-20","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Effect of alveolar ridge preservation at periodontally compromised molar extraction sockets: A retrospective cohort study"],"prefix":"10.1002","volume":"96","author":[{"given":"Anna","family":"Dai","sequence":"first","affiliation":[{"name":"Key Laboratory of Oral Biomedical Research of Zhejiang Province School of Stomatology Zhejiang Provincial Clinical Research Center for Oral Diseases, Cancer Center of Zhejiang University Zhejiang University School of Medicine Stomatology Hospital  Hangzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hao\u2010Yu","family":"Li","sequence":"additional","affiliation":[{"name":"Key Laboratory of Oral Biomedical Research of Zhejiang Province School of Stomatology Zhejiang Provincial Clinical Research Center for Oral Diseases, Cancer Center of Zhejiang University Zhejiang University School of Medicine Stomatology Hospital  Hangzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sen","family":"Kang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Oral Biomedical Research of Zhejiang Province School of Stomatology Zhejiang Provincial Clinical Research Center for Oral Diseases, Cancer Center of Zhejiang University Zhejiang University School of Medicine Stomatology Hospital  Hangzhou 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