Lock jaw exercise1/22/2024 Use a mouth guard, helmet or other safety equipment to protect your face during sport.Your doctor will gently move your jaw back into its correct position.If you think you have a dislocated jaw, it’s important to see a doctor as soon as possible.The main symptoms of a dislocated jaw are pain in the temporomandibular joint (TMJ) that gets worse when you move your jaw.Jaw dislocation is when the lower part of the jaw moves out of its normal position.Treating trismus: A prospective study on effect and compliance to jaw exercise therapy in head and neck cancer. TheraBite exercises to treat trismus secondary to head and neck cancer. Trismus in oral cancer patients undergoing surgery and radiotherapy. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. warmth emanating from the infection site.If an infection is the cause of trismus, there may be associated complications, such as cellulitis.Ĭellulitis is skin inflammation that is often due to infection. For example, an odontogenic infection that causes trismus may lead to further infection with facial cellulitis or mandibular osteomyelitis. Many of the infectious and traumatic causes of trismus may also have associated complications. Temporarily moving to a predominantly liquid and soft foods diet may help reduce these risks. If people cannot bite, chew, or swallow properly, there is a chance of malnutrition and dehydration. Trismus may also make it challenging for those wearing dentures to insert the dentures or remove them for cleaning. If a person cannot open their mouth fully, this makes maintaining oral hygiene more difficult. Trismus may cause a variety of complications that can affect a person’s quality of life, including: Oral hygiene problems Until trismus resolves, it may be beneficial to avoid foods that are hard, crunchy, or chewy, such as candy bars, uncooked apples, and tough meats. Individuals may need to make dietary changes until the condition improves.įor most people, moving to a soft foods diet is helpful because it is possible to eat these foods without opening the mouth too much. In a 2014 study, people who used such a device when performing specific mouth exercises had an average increase in mouth opening of 5.5–7.2 mm. Jaw-stretching devicesĪ doctor or physical therapist may recommend the use of a jaw-stretching device. Some forms of NSAIDs are also available over the counter. Common medications for trismus include muscle relaxers and nonsteroidal anti-inflammatory drugs (NSAIDs) to relieve pain.ĭepending on the severity of the symptoms, a doctor may prescribe oral medications or drugs that require injection into the jaw. It may be necessary to take medication to reduce pain and relax the jaw muscles. Generally, the earlier a person seeks treatment, the better the outcome. Typically, treating the underlying condition should resolve many cases of trismus. This number increased to 86.7% after surgery and 85.7% after radiotherapy. Radiation treatment for these tumors can also cause trismus.Īccording to a small 2016 study consisting of 30 participants with oral cancer, trismus affected 53.3% of them at the time of diagnosis. Types of infections that may do this include:Ĭancerous tumors in the head or throat can affect the function of the jaw. Infections can contribute to trismus in some cases. Hyperextension, which is having to open the mouth wider than its usual range of motion, during surgery may also lead to lockjaw. Oral surgery, including wisdom tooth extraction, may cause inflammation in the mouth, which can lead to trismus. soft tissue fibrosis, which occurs when excess fibrous connective tissue forms.scleroderma, which is an autoimmune disease that affects connective tissue.One example is pericoronitis, which is inflammation of the soft tissue around a tooth, potentially leading to an impacted molar. Some medical conditions that cause inflammation in the mouth may cause trismus. injury to the muscles of mastication, which people use when chewing.hematoma, which is a collection of blood outside of blood vessels.contusion of the temporomandibular joint (TMJ).Examples of such trauma include fractured jawbones or tissue damage following dental surgery. Injury or damage to the jaw can lead to trismus. There are many possible causes of trismus, including the following: Trauma Share on Pinterest Trauma and inflammation are possible causes of trismus.
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