Dispensing instruments for dental purpose; Mixing instruments for dental purposes; Filling instruments for dental purposes; Polishing instruments for dental purposes not for home use; Grinding instruments for dental purposes; Drills for dental use; Instruments for use in prosthetic dentistry; Dental band for use in prosthetic dentistry; Dental retainer for use in prosthetic dentistry; Dental wedge for use in prosthetic dentistry; Dental pliers; Magnifying dental loupes; Shade guides for dental use; Dental articulators; Orthodontic appliances; Polymerization apparatus for use in dental treatment; Dental apparatus for impression taking; Dental apparatus for making dentures, dental crowns and dental bridges; Dentures; Dental crowns; Dental bridges; Pins for artificial teeth; Gloves for dental purposes; Gloves for medical purposes; Sanitary masks for medical purposes; Surgical masks; Face protection shields for medical purposes; all the foregoing goods used in dentists' and dental technicians' offices during dental procedures