Side | Site | Visit | Mean (SE) | Mean Diff a,b | 95% CI a | % diff c | P-value a | ||
---|---|---|---|---|---|---|---|---|---|
Manual | LED | Man | LED | ||||||
Gingival Index | |||||||||
Bracket | All surface | Baseline | 1.40 (0.08) | 1.49 (0.07) | Â | Â | Â | Â | Â |
28 days | 1.37 (0.07) | 1.41 (0.07) | − 0.008 | − 0.195, 0.178 | -0.57 | -0.54 | 0.930 | ||
Post-Pre (Δ) | -0.03 (0.08) | -0.09 (0.07) |  |  |  |  |  | ||
Non-bracket | All surface | Baseline | 1.42 (0.08) | 1.52 (0.08) | Â | Â | Â | Â | Â |
28 days | 1.40 (0.07) | 1.44 (0.07) | − 0.009 | − 0.174, 0.156 | -0.63 | -0.59 | 0.913 | ||
Post-Pre (Δ) | -0.02 (0.06) | -0.08 (0.07) |  |  |  |  |  | ||
Plaque Index | |||||||||
Bracket | Proximal | Baseline | 1.77 (0.09) | 1.64 (0.10) | Â | Â | Â | Â | Â |
28 days | 1.35 (0.11) | 1.56 (0.10) | 0.286 | 0.027, 0.545 | 16.16 | 17.44 | 0.031* | ||
Post-Pre (Δ) | -0.42 (0.12) | -0.08 (0.07) |  |  |  |  |  | ||
Gingival | Baseline | 1.80 (0.09) | 1.74 (0.11) | Â | Â | Â | Â | Â | |
28 days | 1.46 (0.10) | 1.50 (0.10) | 0.072 | − 0.170, 0.314 | 4.00 | 4.14 | 0.553 | ||
Post-Pre (Δ) | -0.34 (0.12) | -0.24 (0.07) |  |  |  |  |  | ||
Incisal | Baseline | 0.97 (0.09) | 0.94 (0.10) | Â | Â | Â | Â | Â | |
28 days | 0.73 (0.08) | 0.82 (0.09) | 0.109 | − 0.109, 0.327 | 11.24 | 11.60 | 0.321 | ||
Post-Pre (Δ) | -0.24 (0.08) | -0.12 (0.10) |  |  |  |  |  | ||
All site average | Baseline | 1.58 (0.08) | 1.49 (0.10) | Â | Â | Â | Â | Â | |
28 days | 1.23 (0.09) | 1.36 (0.09) | 0.186 | − 0.038, 0.409 | 11.77 | 12.48 | 0.101 | ||
Post-Pre (Δ) | -0.36 (0.10) | -0.13 (0.07) |  |  |  |  |  | ||
Non-bracket | All surface | Baseline | 1.86 (0.07) | 1.96 (0.07) | Â | Â | Â | Â | Â |
28 days | 1.74 (0.09) | 1.76 (0.09) | − 0.056 | − 0.256, 0.144 | -3.01 | -2.86 | 0.576 | ||
Post-Pre (Δ) | -0.12 (0.08) | -0.19 (0.06) |  |  |  |  |  |