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| Color | Experimental group | Control group |
|---|---|---|
| Blue | 17.00 mW/cm2±20% | 0.18 mW/cm2±20% |
| 18.50 mW/cm2±20% | 0.18 mW/cm2±20% | |
| Red | 10.00 mW/cm2±20% | 0.13 mW/cm2±20% |
| White | 16.50 mW/cm2±20% | 0.20 mW/cm2±20% |
The electric toothbrushes with 3 LEDs (SMART E-Care, AinA, Daegu, Korea) consisted of LEDs emitting 3 colors (2 blue sources, 1 red source, and 1 white source). The power of each source is indicated in Table 1.
LED: light-emitting diode.
