16 Printed material, namely, printed instructional, educational, training, and teaching materials in the field of dentistry, orthodontics and dental surgery services, journals featuring dentistry, orthodontics and dental surgery services and written articles in the field of dentistry, orthodontics and dental surgery services; printed matter, namely, paper signs, books, manuals, curricula, newsletters, informational cards and brochures in the field of dentistry, orthodontics and dental surgery services; printed teaching aids, namely, printed teaching materials in the field of dentistry, orthodontics and dental surgery services and teaching tiles; printed brochures in the field of dentistry, orthodontics and dental surgery services; printed informational flyers in the field of dentistry, orthodontics and dental surgery services; printed books in the field of dentistry, orthodontics and dental surgery services; printed books and printed medical information cards relating to dentistry, orthodontics and dental surgery services; printed periodicals in the field of dentistry, orthodontics and dental surgery services; printed journals in the field of dentistry, orthodontics and dental surgery services; printed matter, namely, directories of dentistry, orthodontics and dental surgery services; printed calendars; printed manuals in the field of dentistry, orthodontics and dental surgery services ; printed instructional and teaching materials in the field of dentistry, orthodontics and dental surgery services; printed training materials, other than apparatus, in the field of dentistry, orthodontics and dental surgery services; printed teaching materials, other than apparatus, in the field of education regarding dentistry and dental surgery services; printed material, namely, medical information cards, pharmaceutical information leaflets, booklets and brochures containing information regarding dentistry and dental surgery services; printed informational, educational, instructional or teaching materials, namely, manuals, reports, booklets, and books in the field of dentistry, orthodontics and dental surgery services; printed advertising material, namely, posters, and boards of paper; printed publicity and advertising materials, namely, printed advertising posters and printed advertising boards of paper; printed publications, namely, books, hand-outs and workbooks in the field of dentistry, orthodontics and dental surgery services; printed newsletters in the field of dentistry, orthodontics and dental surgery services; printed promotional literature, namely, books, hand-outs, leaflets and brochures in the field of dentistry, orthodontics and dental surgery services; printed leaflets about dentistry, orthodontics and dental surgery services; printed pamphlets in the field of dentistry, orthodontics and dental surgery services; printed events programs; printed invitations; banners of paper or cardboard; printed posters; printed tickets; printed periodicals, namely, magazines in the field of dentistry, orthodontics and dental surgery services; advertising signs of paper or cardboard; logo boards of paper or cardboard, namely, printed advertising boards of paper or cardboard; printed postcards; stickers, namely, bumper stickers; paper and cardboard; packaging materials of paper or plastic in the nature of pouches, envelopes and bags, and packaging bags of paper or plastic