Table 2.
Radiometers investigated in this study.
| Radiometer (Serial no.) |
Manufacturer | Type | Measurable wavelength | Measurable output intensity |
|---|---|---|---|---|
| USR-45 (—) | Ushio, Tokyo, Japan | Labo-grade | 200–800 nm | — |
| Bluephase Meter (005386) | Ivoclar Vivadent, Schaan, Liechtenstein | Digital | 380–515 nm | 300–2500 mW/cm2 |
| Cure Rite (7781) | Dentsply Caulk, Milford, DE, USA | Digital | 400–525 nm | <2000 mW/cm2 |
| Curing Light Meter 105 (4237/2009) | Rolence Enterprise, Chingli, Taiwan | Analogue | 400–500 nm | <2500 mW/cm2 |
| Model 100 Optilux Radiometer (145975) | SDS Kerr, Middleton, WI, USA | Analogue | 400–500 nm | <1000 mW/cm2 |
| Model L.E.D. Radiometer (79310406) | SDS Kerr, Middleton, WI, USA | Analogue | 400–500 nm | <2000 mW/cm2 |