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Randomized Controlled Trial: Lip Piercing: The Impact of Material on Microbiological Findings

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Purpose: The purpose of this study was to investigate whether there are microbiological differences in bacterial samples collected from labial piercings made of different materials. Methods: Sterile piercings of 4 materials were randomly allocated to 80 pierced subjects. After 2 weeks, microbiologic samples were collected and processed by checkerboard DNA-DNA hybridization methods. Wilcoxon signed ranks and Mann-Whitney tests were used for statistical analysis (adjustment for multiple comparisons). Results: There were no statistically significant differences between material groups in relation to baseline data. In samples from stainless steel piercings, the total microbial load was significantly higher than the other materials (P<.05). Ten (mainly periopathogenic) species were found at significantly higher levels (P<.001) on steel than on polypropylene and/or polytetrafluoroethylene piercings. Conclusions: Labial piercings made of stainless steel could promote the development of a pathogenic biofilm.
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Document Type: Research Article

Affiliations: 1: Department of Restorative and Operative Dentistry, Innsbruck Medical University, Innsbruck, Austria 2: Department of Restorative and Prosthetic Dentistry, Innsbruck Medical University, Innsbruck, Austria 3: Department of Oral and Maxillofacial Surgery, Innsbruck Medical University, Innsbruck, Austria 4: Department of Periodontology, Clinical Dental Research Center, School of Dental Medicine, University of Bern, Bern, Switzerland

Publication date: January 1, 2013

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  • Pediatric Dentistry is the official publication of the American Academy of Pediatric Dentistry, the American Board of Pediatric Dentistry and the College of Diplomates of the American Board of Pediatric Dentistry. It is published bi-monthly and is internationally recognized as the leading journal in the area of pediatric dentistry. The journal promotes the practice, education and research specifically related to the specialty of pediatric dentistry. This peer-reviewed journal features scientific articles, case reports and abstracts of current pediatric dental research.
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