{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,29]],"date-time":"2026-01-29T07:23:28Z","timestamp":1769671408461,"version":"3.49.0"},"reference-count":57,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2003,4,30]],"date-time":"2003-04-30T00:00:00Z","timestamp":1051660800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J of Periodontal Research"],"published-print":{"date-parts":[[2003,6]]},"abstract":"<jats:p><jats:bold>Objectives and background:<\/jats:bold> Povidone\u2010iodine [polyvinylpyrrolidone\u2010iodine complex (PVP\u2010iodine)] might constitute a valuable adjunct to current periodontal therapy because of its broad\u2010spectrum antimicrobial activity, low potential for developing resistance and adverse reactions, wide availability, ease of use, and low financial cost. This investigation employed a randomized, split\u2010mouth study design to determine the microbiological and clinical effects of 10% PVP\u2010iodine subgingival irrigation in periodontitis lesions showing radiographic evidence of subgingival calculus.<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> Sixteen adults having at least one periodontal pocket of 6\u2003mm or more in each quadrant of the dentition and harboring one or more periodontopathic bacteria participated in the study. In each subject, a study site in each quadrant was randomly chosen to receive either subgingival irrigation with 10% PVP\u2010iodine together with scaling and root planing, scaling and root planing alone, subgingival irrigation with 10% PVP\u2010iodine, or subgingival irrigation with sterile saline. Prior to therapy and at 5\u2003weeks post\u2010treatment, microbiological culture was carried out without knowledge of the clinical status or the type of treatment rendered. A blinded clinical examiner determined presence of dental plaque, probing pocket depth, and gingival bleeding on probing. Microbiological and clinical data were analyzed using a repeated measures analysis of variance and Kruskal\u2013Wallis rank test with the Tukey and Mann\u2013Whitney <jats:italic>post hoc<\/jats:italic> tests.<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> At 5\u2003weeks post\u2010treatment, subgingival irrigation with PVP\u2010iodine together with scaling and root planing caused a 95% or greater reduction in total pathogen counts in 44% of pockets having \u2265\u200a6\u2003mm depth whereas scaling and root planing alone, povidone\u2010iodine irrigation alone and water irrigation alone caused 95% reduction of total pathogens only in 6\u201313% of similar study sites (<jats:italic>P<\/jats:italic>\u2003=\u20030.02). Reduction in mean pocket depth was 1.8\u2003mm for the PVP\u2010iodine\/scaling and root planing group, 1.6\u2003mm for the scaling and root planing group, and 0.9\u2003mm for the PVP\u2010iodine and the saline monotherapy groups, with statistical significance reached for the scaling and root planing group vs. the PVP\u2010iodine group (<jats:italic>P<\/jats:italic>\u2003=\u20030.04) and for the scaling and root planing group vs. the saline group (<jats:italic>P<\/jats:italic>\u2003=\u20030.02). Reduction in visible dental plaque, which ranged from 38% to 62%, showed no significant differences among treatment groups.<\/jats:p><jats:p><jats:bold>Conclusions:<\/jats:bold> The addition of subgingival PVP\u2010iodine irrigation to conventional mechanical therapy may be a cost\u2010effective means of reducing total counts of periodontal pathogens and helping control periodontal disease. However, subgingival irrigation with PVP\u2010iodine without concomitant mechanical debridement might not improve microbiological and clinical variables in comparison with saline irrigation, at least not in sites with radiographic evidence of subgingival calculus.<\/jats:p>","DOI":"10.1034\/j.1600-0765.2003.02016.x","type":"journal-article","created":{"date-parts":[[2009,9,11]],"date-time":"2009-09-11T13:07:07Z","timestamp":1252674427000},"page":"311-317","source":"Crossref","is-referenced-by-count":67,"title":["Povidone\u2010iodine as a periodontal pocket disinfectant"],"prefix":"10.1034","volume":"38","author":[{"given":"T.","family":"Hoang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M. G.","family":"Jorgensen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R. 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