Surgery After Le-Fort 1 osteotomy the blood supply of maxilla is maintained by A Posterior superior alveolar artery B Anterior superior alveolar artery C Greater palatine artery D Ascending palatine branch of facial artery 💡 Explanation After Le-Fort 1 osteotomy the blood supply of maxilla is maintained by ✓ Correct Answer: D. Ascending palatine branch of facial artery