Research Article
Effect of Nd:YAG Low Level Laser Therapy on Human Gingival Fibroblasts
Table 3
Mean (SD) change from the baseline measurement for each group at every time point.
| | EGF | VEGF | bFGF | | Mean (SD) | value | | Mean (SD) | value | | Mean (SD) | value |
| 24 h | Ctrl | 4 | 3.9 (3.8) | | 4 | 2.9 (2.1) | | 4 | −0.8 (3.6) | | 20 s | 4 | −0.9 (8.8) | 0.36 | 4 | 1.3 (0.3) | 0.18 | 4 | −2.9 (3.1) | 0.41 | 40 s | 4 | −3.4 (11.2) | 0.27 | 4 | 1.6 (1.3) | 0.34 | 4 | −1.9 (3.1) | 0.65 | 60 s | 4 | −6.4 (8.6) | 0.07 | 4 | 1.5 (0.4) | 0.25 | 4 | −0.4 (2.4) | 0.87 | 120 s | 4 | 11.3 (19.3) | 0.48 | 4 | 4.9 (1.5) | 0.18 | 4 | −0.4 (1.8) | 0.86 |
| 48 h | Ctrl | 4 | −9.6 (19.3) | | 4 | 3.3 (3.0) | | 4 | −0.4 (1.9) | | 20 s | 4 | 16.7 (5.6) | 0.04 | 4 | 7.0 (4.2) | 0.20 | 4 | 1.3 (2.4) | 0.33 | 40 s | 4 | 9.9 (18.2) | 0.19 | 4 | 4.0 (3.8) | 0.77 | 4 | −0.6 (1.4) | 0.84 | 60 s | 4 | 2.5 (22.9) | 0.45 | 4 | 3.3 (2.2) | 0.51 | 4 | −0.3 (2.7) | 0.94 | 120 s | 4 | −1.1 (4.8) | 0.43 | 4 | 6.0 (7.4) | 0.42 | 4 | 0.4 (1.1) | 0.52 |
| 72 h | Ctrl | 4 | −0.1 (11.4) | | 4 | 3.8 (6.1) | | 4 | 0.4 (3.4) | | 20 s | 4 | 7.9 (7.7) | 0.29 | 4 | 4.5 (4.4) | 0.85 | 4 | 1.1 (2.3) | 0.73 | 40 s | 4 | 10.4 (11.5) | 0.24 | 4 | 5.3 (5.7) | 0.73 | 4 | 1.0 (1.1) | 0.74 | 60 s | 4 | −5.3 (12.7) | 0.57 | 4 | 2.6 (2.9) | 0.75 | 4 | −2.1 (3.3) | 0.34 | 120 s | 4 | −1.9 (3.4) | 0.78 | 4 | 3.6 (4.6) | 0.98 | 4 | −0.6 (2.3) | 0.65 |
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-test versus control.
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