Exam questionKROK 1Dentistry · 2022
A child born 10 days ago presents with a cleft upper lip («hare's lip»). What is the cause of this pathology?
Answer options
- Nonunion of the maxillary and mandibular processes of the first branchial arch
- Nonunion of the frontal and maxillary processes of the first branchial arch
- Nonunion of the second branchial arch
- Nonunion of the third branchial arch
- Nonunion of the palatal tori of the maxillary processes of the first branchial arch
Correct answer
Nonunion of the frontal and maxillary processes of the first branchial arch
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