Malocclusion, Angle Class III

**Definition:** Malocclusion in which the mandible is anterior to the maxilla as reflected by the first relationship of the first permanent molar (mesioclusion).

**Tree numbers:** - C07.793.494.650

**Synonyms:** - Hapsburg Jaw - Underbite - Prognathism, Mandibular - Habsburg Jaw - Angle Class III