Research Article

In Vitro Wound Healing Improvement by Low-Level Laser Therapy Application in Cultured Gingival Fibroblasts

Table 1

Succinate dehydrogenase enzyme (SDH) production by human gingival fibroblasts detected by the MTT assay according to the energy dose used in the low-level laser therapy.

Energy dose (J/cm2)MTT (%)

0 (control)100 (96–104) C*
0.5111 (110–113) B
1.594 (92–97) D
3117 (113–119) A
595 (81–108) CD
792 (91–96) D

Values expressed as medians of SDH production (P25–P75) ( ). *Same letters indicate no statistically significant difference (Mann-Whitney, ).