Question 219 · LDEK · Class III malocclusions

The minimal criteria for considering a functional test to be positive in case of functional prognathism, is the possibility of patient achieving following reaction during mandible revocation:

  1. A. positive overjet.
  2. B. positive overjet and overbite.
  3. C. class I (Angle’s classification).
  4. D. class I (Angle’s classification) and canine class I.
  5. E. incisal edges contact - edge to edge.
Hint

In a pseudo Class III the mandible slides forward from an incisal interference; how far back must it go to show the problem is functional?

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