This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Development period- week 1,2,3,4, Subject name: Anatomy
The first teeth to appear in an infant is: 
Select and explain. 
A. Upper incissors, B. First molar, C. Canine, D. Lower central incisor
D: Lower central incisor
Answer: D: Lower central incisor 
Explanation: Eruption of Deciduous or Milk Teeth Lower central incisors: 6-9 months. Upper incisors: 8-10 months. Lower lateral incisors: 12-20 months. First molar: 12-20 months. Canines: 16-20 months. Second molars: 20-39 months.