The following clinical parameters were measured at baseline, 2, 4, 6, 8, 10 and 12 weeks after treatment: plaque index (PI), bleeding on probing (BOP) and probing depth (PD).
All parameters including plaque index (PI), probing depth (PD), attachment loss (AL) and bleeding on probing (BOP) were measured at baseline, 4 and 7 weeks after treatment.
