Condition: Gingivitis · Sponsor: Ostia Sciences
Gingivitis is among the most prevalent oral diseases worldwide, affecting an estimated 50-90% of adults. It is a reversible condition primarily caused by microbial plaque accumulation on teeth and gingival surfaces, which triggers inflammation. Standard care emphasizes plaque reduction through oral hygiene, and research shows gingivitis can be reversed once hygiene resumes. The classic experimental gingivitis (EG) model developed in 1965 by Löe and Silness demonstrated the direct link between plaque buildup and gingival inflammation, further confirming that gingival health can be restored after resuming proper care. Microbial ecology shifts are central to gingivitis pathogenesis. In health, the oral microbiome is dominated by gram-positive Streptococcus species. With plaque accumulation, microbial communities transition to gram-negative periopathogens such as Porphyromonas, Tannerella, Treponema, and Prevotella. This dysbiosis provokes heightened inflammation, tissue damage, and, in susceptible individuals, progression to periodontitis. Individual variability in the inflammatory response has been associated with differences in the presence and activity of beneficial streptococci. Certain strains of Streptococcus salivarius produce lantibiotics called salivaricins-polycyclic antimicrobial peptides containing lanthionine residues. Salivaricins inhibit oral pathogens and have been investigated for their antimicrobial and probiotic properties, particularly in the context of risi…
This description comes directly from the study's public registry record.
Mark Kwiecinski, P.Eng, M.Sc Physics · 1-613-513-4413 · Mark@PMKengineeing.com
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| University of Toronto | Toronto, Ontario, Canada | Recruiting |
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Source record: clinicaltrials.gov/study/NCT07256743