Philip Bleicher

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BACKGROUND Postoperative infections remain common after high-risk gastrointestinal procedures. PGG-glucan (Betafectin; Alpha Beta Technology Inc, Worcester, Mass), derived from yeast cell walls, promotes phagocytosis and intracellular killing of bacterial pathogens by leukocytes, prevents infection in an animal model of wound infection, and acts(More)
The effects of various cleaning, chemical disinfection, and sterilization procedures on the cutting efficiency of endodontic instruments Unifile (De Trey, Bois Colombes, France), (Flexofile Maillefer, Ballaigues, Switzerland), and H-File (Maillefer)) were investigated. The cross-infection control treatment procedures investigated were as follows: chemical(More)
The aim of this study was to test and compare the values of torsional moment, torsional angular deflection, bending moment, and permanent angular deflection of three designs of root canal files (Unifile, Flexofile, and H-File) before and after cross-infection treatment procedures, according to ANSI/ADA specification no. 28. An increase in value for all(More)