radiation and polymerization apparatus for curing plastics for use by dentists and dental technicians, histologists and cosmeticians; and parts therefor

CHEMICAL PREPARATIONS FOR DENTAL AND DENTAL TECHNOLOGY PURPOSES; [ TOOTH-FILLING AGENTS; ] IMPRESSION, [ DOUBLING, ] EMBEDDING, [ AND CASTING ] COMPOUNDS [ AND LOWER-LINING MATERIALS ] FOR DENTAL AND DENTAL-TECHNOLOGY PURPOSES [ ; DENTAL CERAMICS AND DENTAL PLASTICS IN LIQUID, PASTE, OR POWDERED FORM FOR MAKING AND REPAIRING CROWNS, BRIDGES, PROSTHESES, PROSTHETIC COMPONENTS, GUM PLATES, AS BLENDING MATERIAL AND FILLING MATERIAL; PLASTIC IN THE RAW STATE AND SEMIFINISHED FOR MAKING ARTIFICIAL...