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The four classical muscles of mastication elevate the mandible (closing the jaw) and move it forward/backward and laterally, facilitating biting and chewing. Other muscles are responsible for opening the jaw, namely the geniohyoid , mylohyoid , and digastric muscles (the lateral pterygoid may play a role).
The jaw elevator muscles develop the main forces used in mastication. The force generated during routine mastication of food such as carrots or meat is about 70 to 150 newtons (16 to 34 lbf ). The maximum masticatory force in some people may reach up to 500 to 700 newtons (110 to 160 lbf ).
Repeat 10 times; doing so helps loosen the jaw muscles. Another option: Put your tongue on the roof of your mouth for 10 to 15 seconds to relax your jaw, and then release. Do 10 reps, Doyle advises.
"Temporomandibular Pain and Dysfunction Syndrome – Aching in the muscles of mastication, sometimes with an occasional brief severe pain on chewing, often associated with restricted jaw movement and clicking or popping sounds." (Classification of Chronic Pain, International Association for the Study of Pain). [20]
This constant motion may lead to jaw discomfort, muscle fatigue and contribute to jaw-related issues over time. Chewing gum can also affect your gastrointestinal system, causing you to swallow air ...
Jaw pain Stress and grinding your teeth at night are both generally benign reasons behind why your jaw may be aching. But persistent jaw pain may also be a sign of an underlying health condition.