Extraction Socket Healing — MFDS Part 1 MCQ
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Correct answer: B — Blood clot, granulation and provisional connective tissue, woven bone, then remodelling to lamellar bone
The correct answer is B. Following extraction, haemostasis produces a blood clot within the socket. This is progressively organised and replaced by granulation tissue and a provisional connective-tissue matrix. Osteoid and woven bone then develop, initially from the socket walls, before modelling and remodelling produce more mature lamellar bone. These stages overlap, and their timing varies between sites and patients. Primary epithelial closure does not precede clot formation, excluding B. Lamellar bone is not formed directly or replaced by granulation tissue, excluding C. Normal healing restores bone rather than leaving a permanent fibrous scar, excluding D. Cartilage and endochondral ossification are not normal stages of extraction-socket healing, excluding E.
Reference: Udeabor SE et al. Current Knowledge on the Healing of the Extraction Socket: A Narrative Review. Bioengineering. 2023;10(10):1145. https://pubmed.ncbi.nlm.nih.gov/37892875/