caa a22 4500 445347678 CHVBK 20180317142834.0 cr unu---uuuuu 170323e20110701xx s 000 0 eng 10.1007/s00056-011-0024-5 doi (NATIONALLICENCE)springer-10.1007/s00056-011-0024-5 Prevalence of Helicobacter pylori in the adolescent oral cavity [Elektronische Daten] Dependence on orthodontic therapy, oral flora and hygiene [A. Wichelhaus, L. Brauchli, Q. Song, G. Adler, G. Bode] Prävalenz von Helicobacter pylori in der Mundhöhle Jugendlicher Abhängigkeit von orthodontischer Behandlung, Mundflora und Mundhygienestatus Background: Helicobacter pylori (HP) infection usually occurs in childhood. While there are various studies on the prevalence of HP in dental plaque, ours is the first to analyze its prevalence during orthodontic therapy and its interaction with competitive bacteria in adolescents. Subjects and methods: The prevalence of HP was examined before and during the first 12weeks of orthodontic therapy with fixed appliances in 11patients with a mean age of 12.7years. A total of 93plaque samples were analyzed using PCR. The data acquired at every consultation were the following: PCR analysis of dental plaque and 13C urea breath tests for HP, quantitative analyses of saliva for Lactobacilli and Streptococcus mutans, the interproximal plaque index (API), and sulcus bleeding index (SBI). Results: The prevalence of HP in plaque was 82% before orthodontic therapy, dropping to 54% during therapy (t test, p≤0.05). In contrast to HP's prevalence, the Lactobacilli count rose (p≤0.05). The number of Streptococcus mutans bacteria in saliva decreased during orthodontic therapy (p≤0.05). Conclusion: The prevalence of HP in dental plaque amounted to 82%. Orthodontic treatment did not reduce its prevalence. The prevalence of Lactobacilli was inversely proportional to that of HP. Urban &amp; Vogel, Muenchen, 2011 Helicobacter pylori nationallicence Dental plaque nationallicence 13C urea breath test nationallicence Lactobacilli nationallicence Streptococcus mutans nationallicence Helicobacter pylori nationallicence Dentale Plaque nationallicence 13C-Harnstoff-Atemtest nationallicence Lactobazillen nationallicence Streptococcus mutans nationallicence Wichelhaus A. Klinikum der Ludwig-Maximilians-Universität München, Poliklinik für Kieferorthopädie, Goethestr. 70, 80336, München, Deutschland aut Brauchli L. Clinic of Orthodontics and Pedodontics, University of Basel, Basel, Schweiz aut Song Q. Department of Pediatrics, Emory University, School of Medicine, Atlanta, GA, USA aut Adler G. Department of Internal Medicine, University of Ulm, Ulm, Deutschland aut Bode G. Department of Epidemiology, University of Ulm, Ulm, Deutschland aut Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie Springer-Verlag 72/3(2011-07-01), 187-195 1434-5293 72:3<187 2011 72 56 https://doi.org/10.1007/s00056-011-0024-5 text/html Onlinezugriff via DOI 1 article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00056-011-0024-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Wichelhaus A. Klinikum der Ludwig-Maximilians-Universität München, Poliklinik für Kieferorthopädie, Goethestr. 70, 80336, München, Deutschland aut NATIONALLICENCE 700 1- Brauchli L. Clinic of Orthodontics and Pedodontics, University of Basel, Basel, Schweiz aut NATIONALLICENCE 700 1- Song Q. Department of Pediatrics, Emory University, School of Medicine, Atlanta, GA, USA aut NATIONALLICENCE 700 1- Adler G. Department of Internal Medicine, University of Ulm, Ulm, Deutschland aut NATIONALLICENCE 700 1- Bode G. Department of Epidemiology, University of Ulm, Ulm, Deutschland aut NATIONALLICENCE 773 0- Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie Springer-Verlag 72/3(2011-07-01), 187-195 1434-5293 72:3<187 2011 72 56 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer