Table 4. Means (± SD) Levels of the Periodontal Indexes at Baseline .

Periodontal index	Conventional Flap Mean (SD)	Laser Flap Mean (SD)	P Value
PD	5.51 (0.72)	5.17(0.19)	0.016
GR	0.12(0.34)	0.06(0.25)	0.711
CAL	1.12(0.20)	1.32(0.16)	0.055
PI	2.62 (0.50)	2.75 (0.44)	0.489
GI	2.87 (0.34)	2.81 (0.40)	0.679

Abbreviations: PD, probing depth; GR, Gingival Recession; CAL, clinical attachment level; PI, plaque index; GI, Gingival Index.