Your temporomandibular joint is a hinge that connects your jaw to the temporal bones of your skull, which are in front of each ear. It lets you move your jaw up and down and side to side, so you can talk, chew, and yawn.
Problems with your jaw and the muscles in your face that control it are known as temporomandibular disorders (TMD). But you may hear it wrongly called TMJ, after the joint.
We don’t know what causes TMD. Dentists believe symptoms arise from problems with the muscles of your jaw or with the parts of the joint itself.
Injury to your jaw, the joint, or the muscles of your head and neck — like from a heavy blow or whiplash — can lead to TMD. Other causes include:
TMD often causes severe pain and discomfort. It can be temporary or last many years. It might affect one or both sides of your face. More women than men have it, and it’s most common among people between the ages of 20 and 40.
Common symptoms include:
Many other conditions cause similar symptoms — like tooth decay, sinus problems, arthritis, or gum disease. To figure out what’s causing yours, the dentist will ask about your health history and conduct a physical exam.
He’ll check your jaw joints for pain or tenderness and listen for clicks, pops, or grating sounds when you move them. He’ll also make sure your jaw works like it should and doesn’t lock when you open or close your mouth. Plus he’ll test your bite and check for problems with your facial muscles.
Your dentist may take full face X-rays so he can view your jaws, temporomandibular joints, and teeth to rule out other problems. He may need to do other tests, like magnetic resonance imaging (MRI) or computer tomography (CT). The MRI can show if the TMJ disc is in the proper position as your jaw moves. A CT scan shows the bony detail of the joint.
You may get referred to an oral surgeon (also called an oral and maxillofacial surgeon) for further care and treatment. This doctor specializes in surgery in and around the entire face, mouth, and jaw area. You may also see an orthodontist to ensure your teeth, muscles, and joints work like they should.
There are things you can do on your own to help relieve TMD symptoms. Your doctor may suggest you try some of these remedies together.
Take over-the-counter medications. Nonsteroidal anti-inflammatory drugs (NSAIDs), like naproxen or ibuprofen, can relieve muscle pain and swelling.
Use moist heat or cold packs. Apply an ice pack to the side of your face and temple area for about 10 minutes. Do a few simple jaw stretches (if your dentist or physical therapist OKs them). When you’re done, hold a warm towel or washcloth to the side of your face for about 5 minutes. Perform this routine a few times each day.
Eat soft foods. Have well cooked rice, soup, scrambled eggs, fish, well cooked fruits and vegetables, beans, and grains to your menu. Skip hard, crunchy foods Murukku, Seedai, raw carrots, Chappati, Naan bread, Parrataa,Drumsticks ,chewy foods and thick or large bites that require you to open wide.
Avoid extreme jaw movements.Keep yawning and chewing (especially gum or ice) to a minimum and don’t yell, sing, or do anything that forces you to open wide.
Don’t rest your chin on your hand.Don’t hold the phone between yourshoulder and ear. Practice good posture to reduce neck and facial pain.
Keep your teeth slightly apart as often as you can. This will relieve pressure on your jaw. Put your tongue between your teeth to control clenching or grinding during the day.
Learn relaxation techniques to help loosen up your jaw. Ask your dentist if you need physical therapy or massage. Consider stress reduction therapy as well as biofeedback.
Talk to your dentist about these tried-and-true treatments for TMD:
Medications. Your dentist can prescribe higher doses of NSAIDs if you need them for pain and swelling. He might suggest a muscle relaxer to relax your jaw if you grind or clench your teeth. Or an anti-anxiety medication to relieve stress, which may bring on TMD. In low doses they can also help reduce or control pain. Muscle relaxants, anti-anxiety drugs, and antidepressants are available by prescription only.
A splint or night guard. These plastic mouthpieces fit over your upper and lower teeth so they don’t touch. They lessen the effects of clenching or grinding and correct your bite by putting your teeth in a more correct position. What’s the difference between them? You wear night guards while you sleep. You use a splint all the time. Your dentist will tell you which type you need.
Dental work. Your dentist can replace missing teeth and use crowns, bridges, orbraces to balance the biting surfaces of your teeth or to correct a bite problem.
If the treatments listed above don’t help, your dentist may suggest one or more of the following:
Transcutaneous electrical nerve stimulation (TENS). This therapy uses low-level electrical currents to provide pain relief by relaxing your jaw joint and facial muscles. It can be done at the dentist’s office or at home.
Ultrasound. Deep heat applied to the joint can relieve soreness or improve mobility.
Trigger-point injections. Pain medication or anesthesia is injected into tender facial muscles called “trigger points” to give relief.
Radio wave therapy. Radio waves stimulate the joint, which increases blood flow and eases pain.
Low-level laser therapy. This lowers pain and inflammation and helps you move your neck more freely and open your mouth wider.
If other treatments can’t help you, surgery is an option. Once it’s done, it can’t be undone, so get a second or even third opinion from other dentists.
There are three types of surgery for TMD. The type you need depends on the problem.
Arthrocentesis is used if you have no major history of TMJ but your jaws are locked. He’ll give you general anesthesia, then insert needles into the joint and wash it out. He may use a special tool to get rid of damaged tissue or dislodge a disc stuck in the joint, or to unstick the joint itself.
Arthroscopy is surgery done with an arthroscope. This special tool has a lens and a light on it. It lets your doctor see inside your joint. You’ll get general anesthesia, then the doctor will make a small cut in front of your ear and insert the tool. It’ll be hooked up to a video screen, so he can examine your joint and the area around it. He may remove inflamed tissue or realign the disc or joint. This type of surgery, known as minimally invasive, leaves a smaller scar, has fewer complications, and requires a shorter recovery time than a major operation.
Open-joint surgery. Depending on the cause of the TMD, arthroscopy may not be possible. You may need this type of surgery if:
You’ll get general anesthesia, then the doctor will open up the entire area around the joint so he can get a full view and better access. You’ll need longer to heal after open-joint surgery, and there is a greater chance of scarring and nerve injury.
Lots of kids develop TMJ disorders or joint pain as a result of unconsciously grinding the teeth or clenching the jaw repeatedly. You can help a child control these habits by making him or her aware of the activity.
Teach kids to notice these behaviors when they happen (for example, during a test at school, when angry or upset, etc.) so that they can be consciously stopped. If the behavior is a result of stress, have your child get plenty of exercise to release nervous energy. Breathing exercises also can help kids relax.
Ask your dentist for more tips on avoiding TMJ disorders.
Maintaining the health of your jaw:
Treatment will get you back to normal function. But your care doesn’t end there. Once you’ve had TMD, it’s important to avoid reinjury. Get in the habit of doing self-checks. This can make you aware of any symptoms that begin to recur,so you can take action right away.
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