{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T16:11:18Z","timestamp":1791389478636,"version":"4.3.3"},"reference-count":42,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2024,7,16]],"date-time":"2024-07-16T00:00:00Z","timestamp":1721088000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Clinic Periodontology"],"published-print":{"date-parts":[[2024,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>To compare the efficacy of non\u2010surgical re\u2010instrumentation (NSR) and papillary preservation flap (PPF) surgery at single\u2010rooted teeth with residual pockets.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Patients with at least a residual pocket depth (PD\u2009\u2265\u20095\u2009mm) after Steps I and II were enrolled and randomly assigned to receive NSR or PPF surgery. The primary outcome was PD reduction, and secondary outcomes were clinical attachment level (CAL) change and patient\u2010reported outcome measures (PROMs). Outcome variables were measured at baseline, 3 and 6\u2009months. The examiner was blinded. Statistical analysis, one site for each patient, included descriptive statistics and analysis of covariance.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Forty\u2010six participants were enrolled, and one patient dropped out in the PPF group. After 6\u2009months, both treatments resulted in significant PD reduction (1.3\u2009\u00b1\u20091.2\u2009mm, <jats:italic>p<\/jats:italic>\u2009=\u2009.009 NSR; 2.0\u2009\u00b1\u20090.7\u2009mm, <jats:italic>p<\/jats:italic>\u2009&lt;\u2009.001 PPF) and CAL gain (1.0\u2009\u00b1\u20092.4\u2009mm, <jats:italic>p<\/jats:italic>\u2009=\u2009.031 NSR; 1.4\u2009\u00b1\u20090.8\u2009mm, <jats:italic>p<\/jats:italic>\u2009&lt;\u2009.001 PPF). PD reduction between groups was not statistically significant (diff: 0.6\u2009mm; 95% confidence interval [CI] [\u22120.3 to 1.5]; <jats:italic>p<\/jats:italic>\u2009=\u2009.167). Pocket closure was 61% NSR versus 86% PPF (<jats:italic>p<\/jats:italic>\u2009=\u2009.091). Smoking was associated with less PD reduction of almost 1\u2009mm in both treatments. Treatment time was longer for PPF surgery, but PROMs and post\u2010operative pain were similar between groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Both NSR and PPF reduced PD without significant difference between treatments at 6\u2009months. PPF surgery may offer faster PD reduction, but smoking habits reduce treatment efficacy.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jcpe.14047","type":"journal-article","created":{"date-parts":[[2024,7,16]],"date-time":"2024-07-16T08:30:01Z","timestamp":1721118601000},"page":"1277-1288","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Non\u2010surgical retreatment versus papillary preservation flap surgery for residual pockets: A randomized controlled trial with clinical and patient\u2010reported outcomes"],"prefix":"10.1111","volume":"51","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0524-7980","authenticated-orcid":false,"given":"Luigi","family":"Barbato","sequence":"first","affiliation":[{"name":"Department of Experimental and Clinical Medicine, Research Unit in Periodontology and Periodontal Medicine University of Florence  Florence Italy"},{"name":"EFP Accredited Master Program in Periodontology and Implant 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