megalodontia

Noun

 * 1) The  of having  oversized teeth for the  in which they are.
 * 2) * 1943, Academy of Medicine of Cincinnati, Cincinnati Journal of Medicine (Academy Journal Pub. Co.), volume 24, page 247
 * Doubtless resulting from continued blending and random mating is the striking example of megalodontia (teeth too large for the jaw) or vice versa — wide spaces occurring between most of the teeth indicating too spacious a jaw for the teeth.