Ключевые слова: america, american, area, attendee, best, booth, care, center, company, convention, dental, dentist, editorial, education, event, example, exhibition, flag, floss, greater, health, human, hygiene, id, industry, javits, largest, liberty, major, meeting, new, ny, nyc, popular, prevention, preventive, registration, sale, salesman, statue, torch, treatment, usa, visit, visitor, york,