This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
The defect in matrix formation during formation of enamel leads to 
Select and explain. 
A. Gnarled enamel, B. Enamel tufts, C. Enamel hypoplasia, D. Mamelons
C: Enamel hypoplasia
Answer: C: Enamel hypoplasia 
Explanation: None