Surgery The trismus following a lower molar extraction after 4 weeks may be due to: A Breakage of needle in pterygomandibular space B Hematoma of TMJ C Submassetric space abscess D Root stump in the socket 💡 Explanation The trismus following a lower molar extraction after 4 weeks may be due to: ✓ Correct Answer: A. Breakage of needle in pterygomandibular space