Oral Surgery · single question
A flap designed for third-molar surgery should:
Show answer and explanation
Correct answer: A. Rest on solid bone and avoid vital anatomic structures
Surgical flap principle: base on sound bone, avoid critical structures, broad base for blood supply.
- A. Correct. Flap margins should be supported by sound bone and designed to protect nerves/vessels.
- B. Margins over a defect collapse and heal poorly; the base must rest on intact bone.