Dental goods in this class, including single- and multi-component synthetic dental materials in the raw state and as semi-finished products; synthetic materials in the form of plates for producing underfillings, impression, modelling, and embedding substances for dental and dental-technical applications; adhesive cements for dental prostheses; chemical products for dental and dental-technical applications (all as far as they belong into class 5); tooth filling compounds; substances for making impressions, duplications, embedding, and modelling and material for underfilling, specifically material for underfilling which remains soft, for dental and dental-technical applications; dental ceramics and dental synthetic materials in the form of fluids, pastes or powders for producing and restoring crowns, bridges, prostheses, parts of prostheses, dental plates, impression plates, as materials for blending and for filling; artificial teeth, crowns, bridges, dental prostheses and parts of dental prostheses, orthodontic instruments; etching and sealing agents for the surface treatment of teeth and dentine