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Medicine and Health Sciences

Theses/Dissertations

2016

Periodontitis

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Local Minocycline To Reduce Future Inflammation And Bone Loss In Periodontal Maintenance Patients, Jeffery S. Jensen Aug 2016

Local Minocycline To Reduce Future Inflammation And Bone Loss In Periodontal Maintenance Patients, Jeffery S. Jensen

Theses & Dissertations


The objectives of this study were to compare the effect of SRP+MM versus SRP alone on inflammatory cytokines, interleukin (IL)-1β and IL-1 receptor antagonist (ra), found in gingival crevicular fluid (GCF) and saliva, and correlate IL-1 values with clinical outcomes over a 2-year period of PMT. Fifty-five patients with an initial posterior pocket ≥5 mm and history of bleeding on probing (BOP) were randomized to test (SRP+MM, n=27) and control (SRP, n=28) groups. Clinical measurements and GCF samples were done at baseline and 24 months. SRP+MM or SRP were provided at 6-month intervals. IL-1β and IL-1ra were measured in GCF …


Peptoanaerobacter Stomatis Interactions With Neutrophils., Emeri Jimenez Flores Aug 2016

Peptoanaerobacter Stomatis Interactions With Neutrophils., Emeri Jimenez Flores

Electronic Theses and Dissertations

Peptoanaerobacter stomatis is a newly appreciated taxon, present in high numbers in oral biofilms from periodontal patients. However, little is known about this organism’s potential virulence and its interaction with the host immune response. Therefore, to better understand the role of P. stomatis in periodontitis, we studied its interactions with neutrophils. Human neutrophils were challenged with P. stomatis strain CM2 or S. aureus AF488 (positive control) for 30 min. Bacterial internalization was examined by ImageStreamX imaging flow cytometry. Bacterial viability was assessed by colony-forming unit assays and Baclight assays. Phagocytosis-stimulated respiratory burst response was measured by flow cytometry. The fusion …