Caldwell–Luc Operation MCQ Quiz | Procedures – Major (Assisting)

Welcome, MBBS students, to this specialized multiple-choice quiz on the Caldwell–Luc operation. This quiz is designed to test your understanding of this significant procedure in otolaryngology, covering its indications, key anatomical landmarks, surgical steps, potential complications, and its place in modern surgery. You will be challenged with 25 questions that mirror the level of detail expected in your curriculum. This is an excellent opportunity to reinforce your knowledge and prepare for your examinations. After completing the quiz and submitting your answers, your score will be displayed, and you can review your performance with correctly highlighted answers. You can also download all the questions along with their correct answers in a PDF format for future study and revision. Good luck!

1. The Caldwell–Luc operation provides surgical access primarily to which paranasal sinus?

2. The standard incision for a Caldwell–Luc procedure is made in the:

3. Which important nerve is most at risk of iatrogenic injury during the creation of the antrostomy in the canine fossa?

4. The bony opening into the maxillary sinus during a Caldwell–Luc operation is created in which specific anatomical location?

5. To ensure postoperative drainage, a nasoantral window is typically created. This window connects the maxillary sinus to the:

6. In the modern era of Functional Endoscopic Sinus Surgery (FESS), which of the following remains a strong indication for a Caldwell–Luc operation?

7. Injury to the nasolacrimal duct during the creation of the nasoantral window can lead to which postoperative complication?

8. Which structure forms the superior wall of the maxillary sinus and is a critical boundary to respect during surgery?

9. An oroantral fistula is a potential complication. It is an epithelialized communication between the maxillary sinus and the:

10. What is a major disadvantage of the Caldwell–Luc procedure compared to FESS?

11. The roots of which teeth are in closest proximity to the floor of the maxillary sinus, making them susceptible to injury?

12. A “radical antrostomy” refers to which part of the Caldwell–Luc procedure?

13. Which of the following is a potential contraindication for a Caldwell–Luc procedure?

14. The Caldwell–Luc procedure can be used as an approach to ligate which artery for the management of posterior epistaxis?

15. What is the sensory deficit associated with damage to the infraorbital nerve?

16. The posterior wall of the maxillary sinus is adjacent to which important anatomical space?

17. Which instrument is commonly used to create the initial opening through the canine fossa bone?

18. Postoperative care after a Caldwell–Luc operation often includes:

19. The natural ostium of the maxillary sinus drains into the:

20. What is the primary purpose of creating an inferior meatal antrostomy in a Caldwell-Luc procedure?

21. The Caldwell-Luc procedure provides excellent access to which wall of the maxillary sinus, which is difficult to reach via a purely endoscopic approach?

22. Which pathology is classically addressed by removing its stalk from the maxillary sinus via a Caldwell-Luc approach?

23. Recurrent symptoms after a Caldwell-Luc procedure can be caused by:

24. Orbital floor fractures (‘blowout fractures’) can be repaired using a subciliary, transconjunctival, or which other approach that utilizes the same access corridor as a Caldwell-Luc?

25. What is the main physiological principle that FESS aims to restore, which is bypassed in a Caldwell-Luc procedure?