This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Facial Injuries and Abnormalities, Subject name: Surgery
Commonest type of cleft lip is: 
Select and explain. 
A. Bilateral cleft lip, B. Midline cleft lip, C. Cleft lip combined with cleft palate, D. Unilateral cleft lip
C: Cleft lip combined with cleft palate
Answer: C: Cleft lip combined with cleft palate 
Explanation: Commonest type of cleft lip is cleft lip combined with cleft palate. The typical distribution of cleft types is: cleft lip alone: 15% cleft lip and palate: 45% Isolated cleft palate: 40% .