{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T14:59:23Z","timestamp":1791471563214,"version":"4.3.4"},"reference-count":43,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T00:00:00Z","timestamp":1791417600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T00:00:00Z","timestamp":1791417600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100012226","name":"Fundamental Research Funds for the Central Universities","doi-asserted-by":"publisher","award":["226\u20102024\u201000202"],"award-info":[{"award-number":["226\u20102024\u201000202"]}],"id":[{"id":"10.13039\/501100012226","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82470973"],"award-info":[{"award-number":["82470973"]}],"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"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>The periodontal phenotype plays a critical role in periodontal stability and orthodontic risk assessment. However, an integrated evaluation of soft\u2010 and hard\u2010tissue periodontal characteristics across various sagittal and vertical skeletal patterns and dental crowding remains limited. This study applied an innovative cluster\u2010based classification of periodontal phenotype to evaluate these variances.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This cross\u2010sectional study included 180 participants and 1080 maxillary anterior teeth. Using superimposed cone beam computed tomography and intraoral scan data, the thickness of the gingiva (GT) and the thickness of the alveolar bone (ABT) was evaluated. The keratinized tissue width (KTW) was obtained from intraoral images utilizing a correction factor. Subjects were classified by sagittal skeletal classification, vertical skeletal patterns, and crowding severity. Periodontal phenotype clusters were assigned using a previously developed classification framework. Statistical analyses included chi\u2010square tests with Monte Carlo simulation for categorical comparisons and multinomial logistic regression to assess associations between cluster membership and potential covariates.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The distribution of periodontal phenotype clusters was significantly associated with the sagittal skeletal classification and vertical skeletal patterns, with Class III\u00a0and hypodivergent groups being more commonly\u00a0found in thin or majority\u2010thin clusters. While the dental crowding severity showed no significant correlation with periodontal phenotype.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The anterior periodontal phenotype is not randomly distributed but rather reflects sagittal and vertical skeletal patterns and is independent of tooth alignment and crowding severity. Class III and hypodivergent patterns are more commonly associated not only with reduced GT but also with narrow KTW and reduced ABT, which highlights the importance of phenotype\u2010guided risk assessment in orthodontic planning.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/jper.70196","type":"journal-article","created":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T14:36:12Z","timestamp":1791470172000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["New periodontal phenotype classification in patients with different types of malocclusion and dental crowding"],"prefix":"10.1002","author":[{"given":"Abeer A.","family":"Al\u2010Sosowa","sequence":"first","affiliation":[{"name":"Stomatology Hospital, School of Stomatology, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province Zhejiang University School of Medicine, Cancer 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