Question 62 · LDEK · Crossbite and scissor bite
Flattened upper lip, deepened nasolabial fold, prominent lower lip and chin displacement towards the malocclusion side are present in:
- A. partial lateral crossbite.
- B. mandibular deviation.
- C. partial anterior crossbite.
- D. total crossbite.
- E. B and D are true.
Hint
Class III-type soft-tissue signs plus chin deviation suggest a reverse overlap that extends over more than one segment of the arch.
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