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
Prolonged retention of primary tooth may lead to 
Select and explain. 
A. Altered path of permanent tooth eruption, B. Root resorption of adjacent tooth, C. Ankylosis of permanent tooth, D. Warping of roots of adjacent teeth
A: Altered path of permanent tooth eruption
Answer: A: Altered path of permanent tooth eruption 
Explanation: None