highly significantp = 0.0009
On control surfaces, a highly significant increase in plaque accumulation was observed from Day 1 to Day 2 ( p = 0.0009), then a constant increase occurred each day until Day 5.
On control surfaces, a highly significant increase in plaque accumulation was observed from Day 1 to Day 2 ( p = 0.0009), then a constant increase occurred each day until Day 5.