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Oral Protozoa: Survey, Isolation, and Ultrastructure of Trichomonas tenax from Clinical Practice

Bernard Brooks and Frederick L. Schuster
Transactions of the American Microscopical Society
Vol. 103, No. 4 (Oct., 1984), pp. 376-382
Published by: Wiley on behalf of American Microscopical Society
DOI: 10.2307/3226474
Stable URL: http://www.jstor.org/stable/3226474
Page Count: 7
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Oral Protozoa: Survey, Isolation, and Ultrastructure of Trichomonas tenax from Clinical Practice
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Abstract

A survey of 38 patients in clinical practice for oral protozoa revealed six (15.7%) with Trichomonas tenax. Organisms were recovered from patients by cultivation of samples of calculus and plaque in a suitable growth medium. None of the samples was positive for Entamoeba gingivalis. Trichomonad isolates from the study were examined by scanning and transmission electron microscopy. Evidence of ingestion of bacteria in cultured isolates was seen in cells examined by electron microscopy. Similar bacterial and food particle ingestion probably occurs in the oral cavity.

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