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: Pathology
Teeth that erupt within 30 days of birth are called: 
Select and explain. 
A. Neonatal, B. Natal, C. Primary, D. Prenatal
A: Neonatal
Answer: A: Neonatal 
Explanation: None