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A comparison of 2 laboratory methods to test dental unit waterline water quality
Nuala Porteous1, Yuyu Sun, Shichien Dang
1Department of Comprehensive Dentistry, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, MC 7914, San Antonio, TX 78229-3900, USA.
Diagnostic Microbiology and Infectious Disease
|September 24, 2013
Abstract:
The performance of 2 American Public Health Association standard laboratory methods, the R2A spread plate and the SimPlate(TM) for heterotrophic plate count, for quantifying heterotrophic microorganisms in dental waterline samples was evaluated. Microbial counts were underestimated on SimPlate(TM) compared with R2A, and the results indicated a poor correlation between the 2 methods.
