The commonly referred to occlusal muscles, including the occlusal muscles, internal pterygoid muscles, external pterygoid muscles, temporal muscles and other muscles, if there is pain in the occlusal muscles, it is caused by inflammation, and the usual causes of pain in the occlusal muscles are the following: 1, caused by temporomandibular joint syndrome, you can visit the orthopedic surgery department of the hospital, the main treatment is to pay attention to rest, while taking oral non-steroidal analgesic and anti-inflammatory drugs, more commonly used include diclofenac sodium, ibuprofen, naproxen, etc. 2, temporomandibular joint misalignment can also lead to this condition, the pathogenesis is similar to that of temporomandibular arthritis, 2. TMJ dislocation can also lead to this condition, the pathogenesis is similar to TMJ arthritis. 3. dental inflammation. 4. parotitis, when there is parotitis can lead to pain in the occlusal muscles. 5. trigeminal neuralgia is also the cause of pain in the occlusal muscles, sometimes patients feel pain in the occlusal muscles, in fact, it is trigeminal neuralgia.