Twenty-five percent of the population suffers an overbite. What class of occlusion is this?
  1. I
  2. II
  3. III
  4. IV
Explanation
Answer: B - Twenty-five percent of the population suffers an overbite, which is class II occlusion. The mandible often appears esthetically small or under-proportioned. Overbite is clinically referred to as distoclusion or retrognathism.
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