As a firefighter I do everything from fight grass fires, house fires, rubbish fires, car fires, anything that can catch on fire weâd be called for it. We go to medical calls, any time ambulances are called out we go to it. We do everything from heart attacks to small injuries to car wrecks.
Facio maxillary fractures involving mandible, zygoma and zygomatic arch can cause Trismus. These fractures interfere with movement of temporomandibular joint causing trismus. Commonest cause of trismus in this category is direct trauma causing fractures of mandible and. other facial bones.
It may become difficult to open and close, and you may have stiffness upon opening and closing. This stiffness can also be caused by an injection. If it was your lower teeth that were prepared for the crown, then the lower injection can lead to a condition called trismus. Trismus is a muscle injury as a result of the injection path of the needle. Trismus symptoms are much like TMD symptoms. It might feel like your jaw muscle has a Charley horse.