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: Radiology
In 20% to 50% of cases, the COC is associated with an unerupted or impacted tooth. The tooth most commonly being: 
Select and explain. 
A. Incisor, B. Canine, C. Premolar, D. Molar
B: Canine
Answer: B: Canine 
Explanation: In 20% to 50% of cases, Calcifying Odontogenic Cyst (COC) is associated with a tooth (most commonly a cuspid) and impedes its eruption. Displacement of teeth and resorption of roots may occur. Perforation of the cortical plate may be seen radiographically with enlarging lesions.
Reference: White and Pharoah's Oral Radiology Principles and Interpretation 7th edition page no 349