Table 2 Descriptive data (mean ± SD), median, and quartile range for the tested light-curing tips (n = 200)
From: Effect of damage or contamination to the tips of 200 light-curing units
Variable | Mean | Standard Deviation | Median | Quartile Range | |
|---|---|---|---|---|---|
Calculated Power (mW)* | 551.6 | 112.42 | 480.81 | 134.62 | |
Measured Power (mW) | 455.6 | 150.20 | 443.66 | 78.33 | |
Power Reduction (%) | 19.2 | 17.63 | 14.33 | 26.82 | |
Manufacturer’s Radiant Emittance (mW/cm2) | 1275.1 | 173.30 | 1250 | 50 | |
Measured Radiant Emittance (mW/cm2) | 1225.5 | 290.36 | 1259 | 290.83 | |
Radiant Emittance Reduction (%) | 3.9 | 16.49 | 0 | 12.24 | |
Contamination Score | 0.97 | 1.93 | 1 | 1.00 | |
Damage Score | 0.69 | 1.79 | 0 | 0 | |