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
A 32 year old female patient underwent extraction of an upper first molar on right side and 0.3 mm of perforation was created into the sinus wall.
Caldwell luc incision begins from 
Select and explain. 
A. Canine fossa, B. Tuberosity, C. Zygomatic buttress, D. Above the communication
A: Canine fossa
Answer: A: Canine fossa 
Explanation: None