fa Clinical and microbiological parameters in patients with self-ligating and conventional brackets during early phase of orthodontic treatment ارتودنسی Orthodontics پژوهشي Research <p> <strong>Objective:</strong></p><p>  To determine the effect of different bracket designs (conventional brackets and self-ligating brackets) on periodontal clinical parameters and periodontal pathogens in subgingival plaque. </p><p> <strong>Material and Methods:</strong></p><p>  The following inclusion criteria were used: requirement of orthodontic treatment plan starting with alignment and leveling, good general health, healthy periodontium, no antibiotic therapy in the previous 6 months before the beginning of the study, and no smoking. The study sample totaled 38 patients (13 male, 25 female mean age, 14.6 ± 2.0 years). Patients were divided into two groups with random distribution of brackets. Recording of clinical parameters was done before the placement of the orthodontic appliance (T0) and at 6 weeks (T1), 12 weeks (T2), and 18 weeks (T3) after full bonding of orthodontic appliances. Periodontal pathogens of subgingival microflora were detected at T3 using a commercially available polymerase chain reaction test (micro-Dent test) that contains probes for Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Prevotella intermedia, Tannerella forsythia, and Treponema denticola. </p><p> <strong>Results:</strong> </p><p> There was a statistically significant higher prevalence of A actinomycetemcomitans in patients with conventional brackets than in patients with self-ligating brackets, but there was no statistically significant difference for other putative periodontal pathogens. The two different types of brackets did not show statistically significant differences in periodontal clinical parameters. </p><p> <strong>Conclusion</strong>:</p><p>  Bracket design does not seem to have a strong influence on periodontal clinical parameters and periodontal pathogens in subgingival plaque. The correlation between some periodontal pathogens and clinical periodontal parameters was weak. </p><hr><p></p><p> <strong>Source: </strong>The Angel Orthodontists</p><p> <a href="http://www.angle.org/doi/abs/10.2319/010412-8.1" target="_blank"><font color="#0000ff">Full Text</font></a></p> Self-ligating brackets, Periodontal pathogens 0 0 http://idai.ir/browse.php?a_code=A-10-32-1925&slc_lang=fa&sid=1 Salvica Pejda spejda@gmail.com 10031947532846009022 10031947532846009022 Yes School of Medicine, University of Split, Split, Croatia Marina Lapter Varga 10031947532846009023 10031947532846009023 No Department of Orthodontics, School of Dental Medicine, University of Zagreb, Zagreb, Croatia Sandra Anic Milosevic 10031947532846009024 10031947532846009024 No Department of Orthodontics, School of Dental Medicine, University of Zagreb, Zagreb, Croatia Senka Mestrovic 10031947532846009025 10031947532846009025 No Department of Orthodontics, School of Dental Medicine, University of Zagreb, Zagreb, Croatia Martina Slaj 10031947532846009026 10031947532846009026 No Department of Orthodontics, School of Dental Medicine, University of Zagreb, Zagreb, Croatia Dario Repic 10031947532846009027 10031947532846009027 No School of Medicine, University of Split, Split, Croatia Andrija Bosnjak 10031947532846009028 10031947532846009028 No School of Medicine, University of Split, Soltanska 2, 21 000 Split, Croatia