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 a patient with unerupted and impacted maxillary
canine, the following radiographic techniques will be ideal for localization: 
Select and explain. 
A. IOPA and PNS view, B. Maxillary anterior occlusal view and IOPA, C. Bitewing and occlusal view, D. IOPA and occlusal view
B: Maxillary anterior occlusal view and IOPA
Answer: B: Maxillary anterior occlusal view and IOPA 
Explanation: Typically, the occlusal radiograph is especially useful in the following cases:​

To locate precisely roots and supernumerary, unerupted, and impacted teeth (this technique is especially useful for impacted ​canines and third molars)​.
To localize foreign bodies in the jaws and stones in the ducts of sublingual and submandibular glands​.
To demonstrate and evaluate the integrity of the anterior, medial, and lateral outlines of the maxillary sinus​.

Ref: ORAL RADIOLOGY Principles and Interpretation,Stuart C. White,Michael J. Pharoah Edition 7 page no 126