Maxillary expansion is a procedure that gently widens the upper jaw (maxilla) to correct a narrow palate and create more space for the teeth.
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Jaw pain while opening your mouth or chewing can come from the jaw joint, chewing muscles, teeth or other nearby structures. Temporomandibular disorders (TMDs) are one possible cause, particularly when the pain occurs with jaw stiffness, painful clicking, locking or restricted mouth opening.
However, not every case of jaw pain is caused by TMD. Dental problems, nerve-related pain, injury and some ear or sinus conditions can produce similar symptoms
The temporomandibular joints connect the lower jaw to the skull and work together with the chewing muscles whenever you speak, yawn or eat.
TMDs are a group of conditions affecting these joints, the chewing muscles or related tissues. They can cause pain while opening the jaw, chewing or moving the mouth.
Other possible causes of jaw pain include:
Dental decay or infection
Gum or tooth problems
Jaw injury
Arthritis affecting the jaw joint
Muscle strain or clenching
Trigeminal neuralgia
Ear or sinus conditions
Because several conditions can cause similar pain, the diagnosis should be based on the full symptom pattern rather than assuming every painful jaw is a TMJ disorder.
Pain in the jaw while chewing may be related to a TMD when it occurs with other jaw-joint or muscle symptoms.
Common signs include:
Pain in the jaw joint or chewing muscles
Pain while chewing food
Limited mouth opening
Symptoms that become worse with jaw movement
Clicking or popping without pain is common and does not automatically require treatment. Painful clicking, repeated locking or restricted movement is more clinically relevant.
Jaw pain is not always related to the temporomandibular joint.
Other possible causes include:
Dental problems: Tooth decay, abscesses, gum disease or impacted teeth can cause jaw pain.
Trigeminal neuralgia: Can cause sudden, severe, electric-shock-like facial or jaw pain.
Ear or sinus conditions: Pain or pressure can sometimes be felt around the jaw.
Injury: Trauma can affect the jaw joint, bones or surrounding muscles.
Arthritis: Osteoarthritis and inflammatory arthritis can affect the TMJ.
Muscle pain: Clenching, grinding or overuse can contribute to jaw-muscle discomfort.
Eat softer foods temporarily
Avoid chewing gum
Avoid opening the mouth very wide
Apply heat or cold if comfortable
Reduce daytime jaw clenching
Avoid habits such as nail biting
Follow gentle jaw exercises only if recommended for your condition
If pain continues, repeatedly returns or limits mouth opening, arrange an assessment.
Arrange an assessment if:
Jaw pain persists or becomes worse
Chewing regularly causes pain
Your jaw repeatedly locks
You cannot open your mouth normally
Pain follows an injury
You have tooth pain or swelling
Clicking or popping becomes painful
A dentist or doctor can first determine whether the pain is coming from the teeth, jaw joint, chewing muscles or another condition. Referral to an appropriate specialist may then be recommended.
When a TMD is diagnosed, treatment generally begins with conservative options such as:
Jaw pain while opening the mouth or chewing can result from TMD, muscle strain, dental problems, injury or other conditions.
If the pain occurs with jaw stiffness, painful clicking, locking or restricted movement, a TMJ disorder may be contributing. However, the correct treatment depends on identifying the actual cause rather than assuming every case is TMJ-related.
If your jaw pain is persistent or interfering with eating, speaking or normal mouth opening, arrange an appropriate dental or medical assessment.
Pain while opening the mouth may come from the jaw joint, chewing muscles, dental problems, injury or other conditions. TMD becomes more likely when pain occurs with stiffness, clicking, locking or restricted jaw movement.
No. TMD is one common possibility, but dental infections, tooth problems, injury, arthritis, nerve conditions and ear or sinus problems can also cause jaw pain.
Right-sided jaw pain may involve the right TMJ or chewing muscles, but tooth problems, injury or nerve-related pain can also affect one side. The location alone cannot identify the cause.
Seek an assessment if pain persists, worsens, limits mouth opening, occurs with repeated locking or is accompanied by swelling, fever or dental symptoms.
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