[ chemical preparations for use by dentists and dental laboratories; namely, adhesion promoters, teeth coating material such as protective lacquers of ceramic, metal or plastic, particularly photocuring plastics for dental and dental-laboratory purposes, and teeth masking materials such as protective lacquers of ceramic, metal or plastic, particularly photocuring plastics for dental and dental-laboratory purposes;] teeth cleaning fluids especially oxidic solvents; adjuvants [ particularly ] [...