Pediatric Dentistry · single question
An untreated DISTAL step (primary second-molar relationship) tends to lead to which permanent occlusion?
Show answer and explanation
Correct answer: A. Class II
Distal step → Class II; mesial step → Class I (or III); flush terminal → Class I/II.
- A. Correct. A distal-step terminal plane guides eruption into a Class II molar relationship.
- B. Mesial step (and often flush terminal plane) leads toward Class I.
- C. Not the typical outcome of a distal step.
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