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
At birth, the palate is relatively flat: in adults; it is
vault-shaped. By which of the following does this change
occur: 
Select and explain. 
A. Bone resorption in the palatal vault, B. Growth of the maxillary sinuses, C. Deposition of the alveolar crestal bone, D. Bone deposition on the posterior wall of the maxillary tuberosity
C: Deposition of the alveolar crestal bone
Answer: C: Deposition of the alveolar crestal bone 
Explanation: None