Laser Treatment for Melanin Gingival Pigmentations: A Comparison Study for 3 Laser Wavelengths 2780, 940, and 445 nm

Table 4

Pain after the procedure recorded by patients using the VAS scale.

			Pain is scored using VAS index of pain measurement					Total
			0.00	1.00	2.00	3.00	4.00
Groups	1.00	Count	7	2	1	0	0	10
		% within groups	70.0%	20.0%	10.0%	0.0%	0.0%	100.0%
	2.00	Count	0	1	4	3	2	10
		% within groups	0.0%	10.0%	40.0%	30.0%	20.0%	100.0%
	3.00	Count	0	4	4	1	1	10
		% within groups	0.0%	40.0%	40.0%	10.0%	10.0%	100.0%
Total		Count	7	7	9	4	3	30
		% within groups	23.3%	23.3%	30.0%	13.3%	10.0%	100.0%