Fluoridation began during a time of great optimism and faith in science and experts (the 1950s and 1960s), but even then, the public frequently objected.
بدأت الفلورة خلال فترة من التفاؤل والإيمان الكبير في العلم والخبراء (1950s و 1960s)، ولكن اعترض الجمهور في كثير من الأحيان.