Add time:09/05/2019         Source:sciencedirect.com

Six denture stomatitis patients, all found to have Candida albicans on their maxillary denture and palatal tissue surfaces, volunteered in this preliminary study to test the in vivo efficacy of human salivary antifungal histidine-rich polypeptides (HRPs) in treating their oral disease. The patients were equally divided among the Newton types classification and, as expected, the severity of the inflammation was greatest in the Newton type III patients and least in the Newton type I patients. Patients received sterile solutions of either HRP-3 or HRP-4, which they used both as a mouthrinse and as a denture soak for a period of 1 week. Agar replicas of the tissue-fitting surface of the maxillary dentures revealed HRP reduction and/or elimination of C. albicans from the denture; in one Newton type II individual, this finding directly correlated with a site-specific reduction in palatal inflammation. In the Newton type II and type III individuals alike, there was a significant generalized decrease in inflammation suggesting the therapeutic efficacy of the HRPs. Killing of this yeast species by the HRPs, as determined by scanning electron microscopy (SEM), was probably responsible for the observed clinical benefits noted in this investigation. In the SEM, HRP-treated blastospores appeared severely deflated, as if they had been emptied of significant quantities of intracellular material.

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