Table 5. Percentage of Sites With ≥ 5 mm Initial Probing Depths and the Changes in PD Between Baseline and Follow up Periods of 1 and 3 Months .

PD Changes		1-Month vs Baseline		3-Month vs Baseline
		Laser, No. (%)	Conventional Flap, No. (%)	Laser, No. (%)	Conventional Flap, No. (%)
Gain	≤ -2	73 (62.4)	57 (55.9)	99 (84.7)	77 (75.5)
Gain	-1	40 (34.2)	36 (35.3)	17 (14.5)	22 (21.6)
No change	0	4 (3.4)	9 (8.8)	1 (0.9)	3 (2.9)
Loss	1	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
	Total (initial PD ≥ 5)	117 (100)	102 (100)	117 (100)	102 (100)