{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T19:13:15Z","timestamp":1781291595192,"version":"3.54.1"},"reference-count":34,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2019,9,15]],"date-time":"2019-09-15T00:00:00Z","timestamp":1568505600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["aap.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Periodontology"],"published-print":{"date-parts":[[2020,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>This study was aimed to investigate if professional oral prophylaxis before scaling and root planing (SRP) has an effect on the outcome of non\u2010surgical periodontal treatment in patients with chronic periodontitis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Fifty\u2010two individuals with chronic periodontitis receiving non\u2010surgical periodontal therapy by SRP with (test) and without (control) two appointments of professional tooth cleaning but with motivation and instruction were monitored for clinical variables, four selected microorganisms and two biomarkers at baseline, before SRP as well as 3 and 6 months after SRP. Statistical analysis included non\u2010parametric tests for intra\u2010 and intergroup comparisons.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Probing depth (PD), attachment level, bleeding on probing (BOP), and interproximal plaque index (API) were significantly improved in both groups 3 and 6 months after SRP. PD, BOP, API, and the number of sites with PD \u22655\u00a0mm were significantly lower in the test group than in the control group at the appointment immediately before SRP. <jats:italic>Tannerella forsythia<\/jats:italic> was significantly reduced in both groups at 3 and 6 months, <jats:italic>Porphyromonas gingivalis<\/jats:italic> only in the test group. Interleukin\u20101\u03b2 was significantly reduced in the control group 3 and 6 months after SRP, matrix metalloproteinase\u20108 level decreased in the test group 3 months after SRP. There was no significant difference of any clinical and non\u2010clinical variable between both groups at 3 and 6 months after SRP.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Professional tooth cleaning before the SRP does not improve the clinical results of the SRP. It has no obvious long\u2010lasting effects on major periodontopathogens in the subgingival biofilm as well as on biomarkers in the gingival crevicular fluid after SRP.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jper.19-0023","type":"journal-article","created":{"date-parts":[[2019,8,2]],"date-time":"2019-08-02T22:52:50Z","timestamp":1564786370000},"page":"174-182","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Professional tooth cleaning prior to non\u2010surgical periodontal therapy: A randomized clinical trial"],"prefix":"10.1002","volume":"91","author":[{"given":"Holger F.R.","family":"Jentsch","sequence":"first","affiliation":[{"name":"Center for Periodontology Department of Cariology Endodontology and Periodontology University Hospital of Leipzig  Leipzig Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thea","family":"Heusinger","sequence":"additional","affiliation":[{"name":"Private 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