Research Article

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

Table 2

Number of viable cells (%) detected by the trypan blue assay, according to the energy doses used in the low-level laser therapy.

Energy dose (J/cm2)Number of viable cells (%)

0 (control)100 (95–104) B*
0.5133 (112–175) A
3168 (149–181) A

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