{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T17:12:43Z","timestamp":1782925963581,"version":"3.54.5"},"reference-count":49,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2011,5,1]],"date-time":"2011-05-01T00:00:00Z","timestamp":1304208000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Periodontology"],"published-print":{"date-parts":[[2011,5]]},"abstract":"<jats:p><jats:bold>Background:<\/jats:bold> The aim of this prospective study is to evaluate the three\u2010dimensional marginal bone level around implants 5 to 15 years after loading in partially edentulous patients treated for generalized chronic periodontitis (GCP) and generalized aggressive periodontitis (GAgP).<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> Seventeen patients with GCP and 17 patients with GAgP were treated with a total of 119 implants. Patients were examined clinically on a 3\u2010month recall schedule after insertion of the superstructure, and radiographs were taken at fixed intervals. At the end of the observation period, cone\u2010beam computed tomography was used for the analysis of the circumferential three\u2010dimensional bone level (mesial, distal, buccal, and lingual\/palatal) and determination of keratinized mucosa thickness (KMT).<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> In both groups, a significant bone loss at implants was observed buccally (GAgP group: 4.49 \u00b1 2.93 mm; GCP group: 3.57 \u00b1 2.94 mm) with significantly more average bone loss in patients with GAgP (3.00 \u00b1 1.67 mm) compared to in patients with GCP (2.45 \u00b1 1.08 mm). The lowest values for KMT in both groups were found in the anterior mandible (GAgP group: 0.99 \u00b1 1.13 mm; GCP group: 0.82 \u00b1 0.91 mm). There were significant correlations between clinical parameters and bone loss in mandibles of patients with GAgP.<\/jats:p><jats:p><jats:bold>Conclusions:<\/jats:bold> The lowest value for KMT in both groups was found in the mandible. Bone loss was observed buccally and was more pronounced in patients with GAgP, with a significant correlation with keratinized mucosa and increased inflammation.<\/jats:p>","DOI":"10.1902\/jop.2010.100318","type":"journal-article","created":{"date-parts":[[2010,11,16]],"date-time":"2010-11-16T10:33:17Z","timestamp":1289903597000},"page":"689-699","source":"Crossref","is-referenced-by-count":36,"title":["Three\u2010Dimensional Measurement of Bone Loss at Implants in Patients With Periodontal 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