malocclusion
noun
- misalignment or incorrect relation between the teeth of the two dental arches as the jaws close
Wiktionary
Pronunciation: /ˌmæləˈkluːʒən/
noun
Etymology: First attested in 1888. Formed as mal- (“wrong”, “improper(ly)”: ultimately from the Classical Latin male, “badly”, “wrongly”; from malus, “bad”; compare the ben- element in benocclusion) + occlusion (“alignment of the teeth in closed jaws”).
- A misalignment of the upper and lower sets of teeth.