Question 21 of 35

No, this condition is called trismus and may have been caused by the repeated attempts to administer this injection. Multiple insertions can cause this post-injection discomfort.

Other factors that can cause trismus include using a local anesthetic agent which has been contaminated by alcohol or other disinfectant or sterilizing agents, using a barbed needle or an excessive amount of local anesthetic solution deposited into a restricted area.