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.
Dental treatment. 1  Dental trismus is characterized by a difficulty in opening the jaw. 2  Oral surgery procedures, as in the extraction of lower molar teeth, may cause trismus as a result either of inflammation to the muscles of mastication or direct trauma to the TMJ.