1. It may invade pterygoid muscles and mandible, resulting in pain and trismus . 2. Chronic use of the drug might also cause trismus , the inability to open the jaw. 3. They will be used on the trismus and temporomandibular joint dysfunction articles to illustrate physiotherapy techniques for these disorders. 4. Passive stretching of the muscles is also painful, and trismus , which is similar to tetanus, is common. 5. Severe trismus may occur in when the muscles of mastication are involved in an odontogenic infection, making any surgical treatment impossible. 6. Early clinical signs include restlessness, excitement, trismus , grinding of teeth, staggering gait and later paddling of hind legs. 7. Trismus is derived from the Greek word " trismos " meaning " a scream; a grinding, rasping or gnashing"8. Some have distinguished mild trismus as 20 30 mm interincisal opening, moderate as 10 20 mm and severe as less than 10 mm. 9. Use of antibiotics does not seem to have a direct effect on manifestation of fever, swelling or trismus seven days post-extraction. 10. Trismus ( difficulty opening the mouth ) is a sign that the muscles of mastication ( the muscles that move the jaw ) are involved.
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