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.
What procedure would you like to carry out? 
Select and explain. 
A. Caldwell luc operation, B. Suture, C. Give an antibiotic dressing and allow for secondary healing, D. No treatment required
D: No treatment required
Answer: D: No treatment required 
Explanation: None