Using support materials and diagnostically useful additives in imaging method for intra-oral diagnostic purposes

Use of diagnostically useful additives which lead without culturing step to a diagnostic result for the production of images for intraoral location and substance-specific diagnosis of pathogenic substances and / or microorganisms or substances that indicate oral diseases or healing processes, wherein the diagnostically useful additives to deformable, curable or film-forming dental impression compositions or film materials that contain no diagnostically utilizable additives are applied in an amount such that a diagnostic signal can be perceived, wherein the diagnostic signal on the surface of or in the dental impression compositions or film material is formed ,