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
A 4-year old child has less number of teeth and lateral  incisors with bifurcated roots with two root canals is called: 
Select and explain. 
A. Dilaceration, B. Concrescence, C. Fusion, D. Gemination
C: Fusion
Answer: C: Fusion 
Explanation: None