Table 2. Study Parameter for BOP (Presence or Absence of BOP).

Groups	Follow up
	Baseline			1 Months			3 Months
	Yes	No	P *	Yes	No	P *	yes	No	P *
Laser	30	-		3	27		2	28
Halita	30	-	-	11	19	0.015	9	21	0.02
P**		< 0.001	< 0.001

* P values in the columns represents significance between laser and Halita groups (P < 0.05).

** P value in the rows represents significance between measurements on time periods in laser and Halita groups separately (P < 0.05).