What's the difference between fluorosis and demineralization?

Fluorosis/deminerali: Fluorosis appears as brown or white stains on the teeth. It is caused by too much Fluoride when you still have your baby teeth and the permanent teeth are developing. Demineralization is a breakdown of the enamel, and also appears as white spots. It is usually caused when bacteria in the mouth interacts with sugar to form acid. If not treated early, it will develop into a cavity.

Yes: Fluorosis is characterized by stains on the teeth because of high amount of fluoride...Demineralization if the breakdown of enamel, which can also be characterized by stain/change in color.