[1] Males tend to have larger teeth than females,[1] and tooth size also varies by race.

[1] Abnormal tooth size is defined by some as when the dimensions are more than 2 standard deviations from the average.

[2][3] Due to decreased levels of growth hormone the teeth fail to develop to a normal size.

[3] Relative generalized microdontia may be the result of inheritance of a large jaw from one parent, and normal sized teeth from the other.

[4] Unerupted microdonts may require surgical removal to prevent the formation of cysts.