{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T21:06:53Z","timestamp":1788383213848,"version":"build-2803163510"},"reference-count":29,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2012,12,5]],"date-time":"2012-12-05T00:00:00Z","timestamp":1354665600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2014,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>To assess and characterize pollution micro\u2010particles and bacterial growth on customized titanium abutments after steaming, ultrasonic and plasma cleaning treatments.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>Thirty commercially available implant abutments, after customization, were randomly divided into 3 groups of 10 and cleansed by steam (considered as control group), ultrasonic cleaning (test group 1) and plasma of Argon (test group 2). For all specimens, SEM analysis and EDAX microanalysis were performed to count and characterize pollution micro\u2010particles, both on the abutment surface and implant\u2013abutment connection. For the control and test groups, mean values and standard deviations were calculated for number and density of micro\u2010particles. Statistical differences were determined by one\u2010way ANOVA with Scheffe multiple comparison test. The level of statistical significance was set at <jats:italic>P\u00a0<\/jats:italic>\u2264<jats:italic>\u00a0<\/jats:italic>0.05. Additional microbiologic analysis was performed to detect bacterial contamination on the abutment surface.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In the control group, the number of micro\u2010particles on average was 117.5, and 14.1, respectively, on the abutment surface and connection. In the test groups, no pollution was revealed on the abutment (average of 1.09 and 1.13 spots, respectively, in test group 1 and test group 2) and connection (1.28 and 1.41, respectively, in test group 1 and test group 2). The analysis of variance (ANOVA) showed a statistically significant difference for all the variables examined. For each variable, at least one of the groups differs from the others. Scheffe multiple comparison test showed that all comparisons for every variables between the control group and both groups are significant, while there were some comparisons between test group 1 and test group 2 that were not significant. EDAX microanalysis identified micro\u2010particles as residual of lubricant mixed with traces of Titanium and other metals. Microbiologic analysis demonstrated the presence of bacterial growth on the abutment surface only in the control group (111.5\u00a0\u00b1\u00a011.43\u00a0CFU\/ml\/implant\u2013abutment as mean value). In the test groups, absence of growing microorganisms was found.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This study confirmed that both plasma and ultrasonic treatments can be beneficially adopted for abutment cleaning process after laboratory technical stages, to supposedly favor soft tissue healing and implant\u2013prosthetic connection stability.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.12089","type":"journal-article","created":{"date-parts":[[2012,12,5]],"date-time":"2012-12-05T20:09:50Z","timestamp":1354738190000},"page":"328-336","source":"Crossref","is-referenced-by-count":53,"title":["Microscopical and microbiologic characterization of customized titanium abutments after different cleaning procedures"],"prefix":"10.1111","volume":"25","author":[{"given":"Luigi","family":"Canullo","sequence":"first","affiliation":[{"name":"Independent Researcher, Private Practice Rome Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Costanza","family":"Micarelli","sequence":"additional","affiliation":[{"name":"Independent Researcher, Private Practice Rome Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luigi","family":"Lembo\u2010Fazio","sequence":"additional","affiliation":[{"name":"Department of Biology and Biotechnology \u201cC. Darwin\u201d University \u201cLa Sapienza\u201d Rome Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giuliano","family":"Iannello","sequence":"additional","affiliation":[{"name":"Independent Researcher, Private Practice Rome Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marco","family":"Clementini","sequence":"additional","affiliation":[{"name":"Department of Dentistry University \u201cTor Vergata\u201d Rome Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2012,12,5]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600-0501.1996.070303.x"},{"key":"e_1_2_7_3_1","first-page":"211","volume-title":"Tissue\u2010Integrated Prosthesis. 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