Here is the end of the mystery of white dots on our fingernails:
It is basically caused by the air filled in the upper base of the nails.
2. Different shapes
It sometimes can take strips of patterns which are a serious case of air filling.
Sometimes it may be caused due to an external injury or scratch.
4. A vitamin deficiency or disorder
It may also indicate that you have a medical condition of vitamin deficiency or a disorder which is hereditary.
5. Prevention and cure
Having zinc and protein rich foods will keep the white spots away if it is a medical disorder. But, it is good to approach a doctor as soon as you see such signs.