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
Second molars that get locked under the distal cusps of first molars during eruption are best 
Select and explain. 
A. Extracted and third molars allowed to erupt, B. Autogenously transplanted, C. Disimpacted with "disimpaction springs", D. Guided with distal shoe space maintainer
C: Disimpacted with "disimpaction springs"
Answer: C: Disimpacted with "disimpaction springs" 
Explanation: None