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Table 3 Change in BOP

From: Clinical outcome of periodontal regenerative therapy using collagen membrane and deproteinized bovine bone mineral: a 2.5-year follow-up study

Variable

Baseline

6-month

1-year

2.5-year

BOPa

80

40

30

20*

  1. BOP bleeding on probing
  2. * P = 0.023, by Fisher’s exact test (two-sided)
  3. aPercent sites positive