Stephen Halem

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The world-wide explosion of overweight people has been called an epidemic. The inflammatory nature of obesity is widely recognized. Could it really be an epidemic involving an infectious agent? In this climate of concern over the increasing prevalence of overweight conditions in our society, we focus on the possible role of oral bacteria as a potential(More)
A significant number of microorganisms from the human oral cavity remain uncultivated. This is a major impediment to the study of human health since some of the uncultivated species may be involved in a variety of systemic diseases. We used a range of innovations previously developed to cultivate microorganisms from the human oral cavity, focusing on(More)
BACKGROUND The objective of this double-masked, randomized, multicenter crossover study was to compare the efficacy of 4% articaine HCl with 1:100,000 epinephrine (A100) to 4% articaine HCl with 1:200,000 epinephrine (A200) for providing effective local anesthesia and hemostasis for periodontal surgery. METHODS Anesthetic efficacy was based on patient(More)
Periodontitis is a common chronic inflammatory disease initiated by bacteria, resulting in bone resorption, tooth loss, and systemic inflammation. Long-chain omega-3 fatty acids such as docosahexaenoic acid (DHA) reduce periodontitis in animals. We aimed to determine whether DHA supplementation with low-dose aspirin would reduce periodontitis in humans. We(More)
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