Cleft lip and primary palate occurs during the 4th-7th weeks of gestation and involve the failure of fusion between the lateral nasal process with the maxillary process. Cleft secondary palate occurs during the 6th-9th weeks of gestation and involve failure of the lateral palatine shelves.
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Both true
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First false, second true
Both false
Question 3
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Cleft palate without cleft lip is indicative of environmental factors rather than syndromes. Intervention for bilateral cleft palate should be performed at 3 months but at 6 if unilateral.
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Both true
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Both false
Question 4
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Palate surgery would be done early for concerns regarding ability to feed and speak but would be delayed because of growth. Alveolar bone grafts and palate surgery would be done around one year of age.
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Both true
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Both false
Question 5
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The NAM is a removable appliance that is used to reduce the severity of cleft lip and palate prior to surgical treatment by adapting the cartilage that is present and protects the nasal septum from interactions with the tongue. It is removed when the baby sleeps and feeds.
Answer
Both true
First true, second false
First false, second true
Both false
Question 6
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Cleft lip/palate can be detected at 18-20 weeks via 3D ultrasound. The central incisors are most commonly affected by cleft lip/palate because of the way the pre-maxilla will be displaced.