Effect of Equal Daily Doses Achieved by Different Power Densities of Low-Level Laser Therapy at 635 nm on Open Skin Wound Healing in Normal and Diabetic Rats

Table 1

Semiquantitative histological evaluation of healing skin wounds.

Scale	Reepithelization stage	Polymorphonuclear leukocytes	Fibroblasts	New vessels	Collagen
0	Thickening of cut edges	Absent	Absent	Absent	Absent-granulation tissue
1	Migration of cells (<50%)	Mild-surrounding tissue	Mild-surrounding tissue	Mild-surrounding tissue	Minimal-granulation tissue
2	Migration of cells (≥50%)	Mild-granulation tissue	Mild-granulation tissue	Mild-granulation tissue	Mild-granulation tissue
3	Bridging the excision	Moderate-granulation tissue	Moderate-granulation tissue	Moderate-granulation tissue	Moderate-granulation tissue
4	Keratinization	Marked-granulation tissue	Marked-granulation tissue	Marked-granulation tissue	Marked-granulation tissue