Research Article

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

Table 2

Bleeding during the procedure for each group, note that both the diode groups (940 nm and 445 nm) exhibited less bleeding than the Er, Cr, YSGG 2780 (group 1).

Bleeding results directly after surgeryTotal
No bleedingMild bleedingModerate bleeding

Groups1.00Count54110
% within groups50.0%40.0%10.0%100.0%
2.00Count91010
% within groups90.0%10.0%0.0%100.0%
3.00Count82010
% within groups80.0%20.0%0.0%100.0%

TotalCount227130
% within groups73.3%23.3%3.3%100.0%