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Table 2 Number of bacteria; log copies (ratio of each bacteria to the total number; ×10−3 %)

From: Clinical effect of a dentifrice containing three kinds of bactericidal ingredients on periodontal disease: a pilot study in patients undergoing supportive periodontal therapy

  Baseline 2 weeks 4 weeks
Total bacteria 9.24 ± 9.08 9.01 ± 8.92** 9.04 ± 8.87
Porphyromonas gingivalis 5.89 ± 6.35 (37.48 ± 95.97) 5.26 ± 5.55 (17.21 ± 30.54) 5.46 ± 5.93 (20.09 ± 39.56)
Aggregatibacter actinomycetemcomitans 3.06 ± 3.63 (0.12 ± 0.48) 2.87 ± 3.37 (0.14 ± 0.61) 2.80 ± 3.30 (0.10 ± 0.39)
Treponema denticola 4.52 ± 4.65 (2.15 ± 2.62) 4.46 ± 4.66 (2.51 ± 3.61) 4.27 ± 4.47* (1.49 ± 2.09)
Tannerella forsythia 4.74 ± 4.92 (3.15 ± 4.04) 4.66 ± 4.88 (4.02 ± 6.77) 4.69 ± 5.01* (3.55 ± 5.82)
Prevotella intermedia 5.49 ± 5.98 (18.29 ± 54.65) 5.94 ± 6.60 (60.61 ± 291.80) 5.99 ± 6.68 (62.60 ± 310.50)
  1. Data shown as mean ± standard deviation. * p < 0.05, ** p < 0.01 vs. baseline