6 Surprising Causes of Jaw Pain to Watch Out For

If you wake up with a locked jaw or feel pain when you chew or yawn, read on to understand why—and how to make it stop.

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Causes of jaw painxrayLuisma Tapia/Shutterstock

These are things your dentist wishes you knew, and one of them is that jaw pain can be caused by a variety of things, from sinus pressure to cavity-related nerves to temporomandibular joint dysfunction (TMJ). "The jaw has connections that can be triggered through any mouth activity, like chewing, sucking, or brushing," says Jake Bateman, DDS, who practices dentistry in Kingsport, TN. "Misalignment of the jaw can also contribute to significant pain."

For any pain that lasts more than a few hours, or that happens on a recurring basis, seek medical attention. There are many treatments that can help with jaw pain, most of them involving dental care. The first step should be to see a dentist to find out if the pain is being triggered by an offset jaw, a bite that needs correcting, or another dental problem such as a cavity, other decay, or mouth trauma. A dentist can also determine if the pain is coming from a bone issue, a nerve issue, or whether there is something wrong with the tissue surrounding the jaw. (These are the pain signals you should never ignore.)

TMD

Skullsritakoset/ShutterstockTemporomandibular joint disorder, abbreviated as TMD (also known as TMJ), affects the joints that connect the jawbone to the skull. It is a common cause of jaw pain that is characterized by pain and restricted movement. It is not life-threatening, but its symptoms can significantly affect quality of life. Typical indications of TMD are pain and tenderness in the jaw joint area, the neck, the shoulders, the face, and the ear. But symptoms go beyond pain. "A patient can also experience locked jaw, hear a cracking or clicking sound when the mouth is opened or closed, and have an uncomfortable bite and inflamed side of the face," explains dentist Danica Lacson of Hawaii Family Dental. A physical exam will allow your dentist to diagnose TMD and determine its probable cause. Traditional treatments for TMD include medications, a night guard, and dental fixes to correct bite problems and balance biting surfaces, according to Lacson. Patients can also try home remedies, including over-the-counter medications, heat or cold packs, and relaxation therapy to manage the pain. Here are more home remedies that are proven to work.

Teeth grinding

DentistAnna Jurkovska/ShutterstockTeeth grinding, which people may do when they're awake but do more often when asleep, can damage the teeth and lead to jaw pain. Teeth grinding occurs due to a combination of physical, psychological, and genetic factors, according to Dr. Lacson. Other possible triggers include stress or anxiety, certain diseases such as Parkinson's disease, as a side effect of medications, misalignment of the lower and upper teeth, a habit of focusing intently, and being hyperactive and aggressive. Severe cases can damage the teeth, wear down the enamel and expose the dentin, causing tooth sensitivity, headaches, and jaw disorders. "Patients can use splints or mouth guards to separate the teeth. If stress or anxiety causes the grinding, therapy and relaxation strategies like meditation may help," Dr. Lacson says. These mini meditations can help relieve stress and anxiety.

Gum disease

TeethMilos Batinic/ShutterstockGum disease, or the infection of the tissues and bones surrounding and supporting the teeth, is caused by poor oral health, hormonal changes, diabetes, and smoking. "Although this dental problem does not directly affect the jaw, the pain can spread to the jaw area and cause jaw pain," says Dr. Lacson. If you see signs of periodontal disease—including bad breath, pain when chewing, sensitive teeth, receding gums, pus coming from the gums, loose teeth, tender, red, bleeding, and swollen gums—it's really important to see your dentist. You can prevent gum disease by using proper oral hygiene and eating a healthy diet. Here are some other reasons you might have gum disease.

Untreated cavities

Dentistwavebreakmedia/ShutterstockYou think of cavity discomfort as being localized to the affected teeth, but cavities can actually trigger jaw pain. "An abscessed tooth occurs when the dental pulp or nerve gets infected due to an untreated cavity. The infection can spread from the tooth root to the bone tissues, leading to jaw pain," Dr. Lacson explains. Regularly dental check-ups can help make sure cavities don't go undetected and untreated. These are the cavity symptoms you shouldn't ignore.

Impacted wisdom teeth

ToothAlfred Gruener/ShutterstockWisdom teeth, which come in between ages 17 and 25, can make trouble for the jaw, especially if they're impacted. "Fully or partially impacted wisdom teeth may become infected, causing acute pain and swelling," says Mark S. Roisman, DMD, who practices dental services in Westport, CT. Even after extraction, it can take a while for an infection to clear up and may require antibiotics, or in severe cases, could require surgically draining the site of infection, according to Dr. Roisman. These are the most common dental problems.

Sinus pain

SinusImage Point Fr/ShutterstockSinus infections, allergies, and colds can be the cause of jaw pain, notes Dr. Roisman. "Ruling out sinuses can involve anything from referring them to their physician, waiting for a cold to pass or have them take their allergy medication." He notes that he may tell a patient to try Afrin or some other short-term nasal spray and if the pain clears up, it's not a dental issue, so the patient should see his regular doctor or ENT. Here are tops signs of sinus infections to look out for.

Check out the most effective way to keep teeth clean, beyond brushing.

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