Profile: Klasse 4 Dental GmbH supplies special dental stones, relaxing/isolating agents, impression tray stand, spalpel system, pin system, base plates & duplicating silicones. Our product artiTiger is a extra fast special plaster for mounting models, fixing relining models, orthodontic models, counter models and milling bases. Our product vario is a super hard stone for model bases, repair models, orthodontic work, acrylic work & opposing models. We offer Sprint Natur which is natural gypsum for articulating models, fixing relining models and orthodontic models, counter models & milling bases. Our product twin tray is a revolutionary model system for making fast & precisely articulated models with dual arch impressions.