The biggest difference between CURIE and the Ackuretta UV Box is that CURIE is suitable for Class II materials with a validated workflow. CURIE is recognized by the FDA, EMA, and other international regulatory bodies and can be used to safely produce dental appliances to a high standard. CURIE is also a more user-friendly UV box with three different pre-calibrated UV wavelengths (i.e. 405nm, 385, and 365) for a large range of resins..While the Ackuretta UV Box provides an excellent inexpensive curing solution, for up to Class I materials