Means developmentally malformed teeth.

Causes :-

1. Intake of drugs ( medicines ) during pregnancy by mother.

2. Trauma during delivery. Eg., forcep delivery.

3. Excess fluoride in drinking water.

4. Decreased calcium levels in the body during early childhood.

5. Trauma during formation of teeth

6. Hereditary/familial

Solution

Cosmetic treatment like, tooth coloured fillings and crowns.