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: Surgery
Howe and Poyton (1960) developed a criteria to diagnose the 
Select and explain. 
A. Relation of long axis of the impacted tooth to the long axis of the second molar, B. Configuration of the roots of the impacted mandibular 3rd molar, C. Relationship of the root apices of impacted 3rd molars to the inferior alveolar canal, D. Position and depth of the impacted mandibular 3rd molar
C: Relationship of the root apices of impacted 3rd molars to the inferior alveolar canal
Answer: C: Relationship of the root apices of impacted 3rd molars to the inferior alveolar canal 
Explanation: None