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Table 5 Numbers of microorganisms in colony forming units (CFU) per brush head in the four experimental groups

From: Microbial contamination of toothbrushes during treatment with multibracket appliances

CFU per brush head Minimum Maximum Median Mean SD
MBe 0 11300 700 2322 3400
MBm 0 4000 700 1015 1108
nMBe 0 2000 300 400 514
nMBm 0 2300 200 435 645
  1. (MBe= MB and elmex® toothbrush, MBm= MB and meridol® toothbrush, nMBe= no MB and elmex® toothbrush, nMBm= no MB and meridol® toothbrush).