Surgery Rubber band extraction is indicated in haemophiliac patient, as it facilitates the extraction by: A Traction force on PDL B Necrosis of alveolar bone C Necrosis of PDL D Pulling of the PDL 💡 Explanation Rubber band extraction is indicated in haemophiliac patient, as it facilitates the extraction by: ✓ Correct Answer: C. Necrosis of PDL