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

Table 5

Color improvement for the three procedures and its percentage.

			Color improvement		Total
			Great improvement	Complete improvement
groups	1.00	Count	2	8	10
		% within groups	20.0	80.0	100.0
	2.00	Count	5	5	10
		% within groups	50.0	50.0	100.0
	3.00	Count	4	6	10
		% within groups	40.0	60.0	100.0
Total		Count	11	19	30
		% within groups	36.7	63.3	100.0

Note. The color was assessed by three calibrated cosmetic dentists. The procedure was blinded and randomized and repeated for validity and repeatability. Dentists classified ratings on a five-point smile improvement scale.