Q) WHich is the false statement regarding cleft lip and palate
a) Isolated cleft palate is more common than combined cleft lip and palate
b) Clefts of the lip, alveolus and palate are the most common congenital abnormalities of the orofacial structures.
c) Isolated cleft lip is least common
d) Cleft lip/palate more common in males
Ans a
The incidence of cleft lip and palate is 1:600 live births and of isolated cleft palate is 1:1000 live births
The typical distribution of cleft types is:
●● cleft lip alone: 15%;
●● cleft lip and palate: 45%;
●● isolated cleft palate: 40%.
Cleft lip/palate predominates in males, whereas cleft palate
alone appears to be more common in females.