pro3dure´s generative resin GR-21 Try-In is a biocompatible Class I medical product and is suitable as a base material for try-in of digitally manufactured denture bases. GR-21 Try-In can be used for the generative production of try-in devices. Such as, denture bases with individual tooth setup in order to check bite registration and occlusion. GR-21 Try-In is available in the tooth colours A1, A2 and A3.