Table 1: The LCUs that were used in the study, their irradiance as claimed by the manufacturer, curing time that was used for each energy and tip diameter.

LCU Model N Power
(as claimed by the manufacturer) 		Curing Time Energy (calculated in the curing timed used) Tip Ø* Wavelength Spectrum**
Mini LED (Acteon, France) 31 1250 mW/cm2 10s 12.5 J/cm2 7.5mm 410-490 (448)
Litex 696 (Dentamerica, USA) 12 1200 mW/cm2 20s 24 J/cm2 8.5mm 420-510 (458)
LED B (Woodpecker, China) 11 1000 mW/cm2 20s 20 J/cm2 8mm 424-510 (459)
BluePhase N (Ivoclar, Germany) 4 1200 mW/cm2 20s 24 J/cm2 9mm 390-510 (455)
Ortholux Luminous (3M, USA) 1 1600 mW/cm2 15s 24 J/cm2 8mm 420-509 (456)
L-460 (Seker, China) 1 1200 mW/cm2 20s 24 J/cm2 7.5mm 425-510 (458)

*Ø: Diameter of the LCU tip. **Spectrum values were recorded four times for each LCU using MARC™ Resin Calibrator (BlueLight Analytic Inc., Halifax, Canada). This shows the wavelength range and peak.