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The Function and Reliability of the Orogranulocytic Migratory Rate as a Measure of Oral Health
James M. Klinkhamer
Dental Science Institute, University of Texas, Houston, Texas 77025
Stuart Zimmerman
Dental Science Institute, University of Texas, Houston, Texas 77025
The phenomenon of leukopedesis in gingival and periodontal tissues was measured by counting the number of orogranulocytes migrating into the mouth during repeated intervals of 30 seconds. Measurements were carried out with a computerized electronic cell grading system and classified as a non-subjective laboratory routine for indexing oral inflammation. For orogranulocytic migratory rate (OMR) readings above 1.2 X 106/30 sec, a minimum of three determinations is required for reliability. Single readings suffice for OMR's below 0.5 X 106/30 sec, which indicates that the system is suitable for mass screening purposes.
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- Brecher, G.; Schneiderman, M.; and Wil-Liams, G.Z.: Evaluation of Electronic Red Blood Cell Counters, Am J Clin Path 26: 1439-1449, 1956.[Medline]
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- Richard, W.J., and Breakell, E.S.: Evaluation of an Electronic Particle Counter for the Counting of White Blood Cells, Am J Clin Path 31:384-393, 1959.[Medline]
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Journal of Dental Research, Vol. 48, No. 5,
709-715 (1969)
DOI: 10.1177/00220345690480051701

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