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Temporomandibular Disorders (TMD)
Does it hurt when you chew, open wide to yawn or use your jaws? Do you have pain or soreness in front of the ear, in the jaw muscle, cheek, the teeth or the temples? Do you have pain or soreness in your teeth? Do your jaws make noises loud enough to bother you or others? Do you find it difficult to open your mouth wide? Does your jaw ever get stuck/locked as you open it?
If you answered “yes” to some of these questions, you may have a temporomandibular joint disorder, or TMD. TMD is a group of conditions, often painful, that affect the jaw joint.
Signs may include:
For most people, pain or discomfort in the jaw muscles or joints is temporary, often occurs in cycles, and resolves once you stop moving the area. Some people with TMD pain, however, can develop chronic symptoms. Dr. Spencer can help you establish whether your pain is due to TMD and can provide conservative treatment if needed. For more information go to www.docspencer.com
What Causes TMD?
Researchers agree that TMD falls into three categories:
Severe injury to the jaw is a leading cause of TMD. For example, anything from a hit in the jaw during a sporting activity to overuse syndromes, such as chewing gum excessively or chewing on one side of the mouth too frequently, may cause TMD.
Both physical and emotional stress can lead to TMD, as well. The once-common practice of sitting in a dentist's chair for several hours with the mouth wide open may have contributed to TMD in the past. Now, most dentists are aware that this is harmful to the jaw. In addition to taking breaks while they do dental work, at Cool Springs Family Dentistry, we also screen patients for any weaknesses in the jaw structure that would make physical injury likely if they keep their mouths open very long. In that case, they may use medications during the procedure to minimize the injury potential, or they may send the patient to physical therapy immediately after treatment. In less severe cases, Dr. Spencer may instruct patients in exercises they can do at home to loosen up the joint after the visit.
While emotional stress itself is not usually a cause of TMD, the way stress shows up in the body can be. When people are under psychological stress, they may clench their teeth, which can be a major factor in their TMD.
Some conditions once accepted as causes of TMD have been dismissed—moderate gum chewing, non-painful jaw clicking, orthodontic treatment (when it does not involve the prolonged opening of the mouth, as mentioned above), and upper and lower jaws that have never fit together well. Popular theory now holds that while these may be triggers, they are not causes.
Women experience TMD four times as often as men. Several factors may contribute to this higher ratio, posture and higher heels.
TMD Diagnosis and Treatment
To help diagnose or rule out TMD, your doctor may ask you to put three fingers in your mouth and bite down on them. You may also be asked to open and close your mouth and chew repeatedly while the doctor monitors the dimensions of the jaw joint and the balance of the muscles. If you have no problems while doing these things, then the problem is not likely to be TMD. Dr. Spencer can then look for signs of inflammation and abnormalities. Sometimes special imaging, an x-ray or an MRI may be needed to help confirm the diagnosis.
If you have TMD, your doctor may recommend chiropractic manipulation, massage, dry needling, active release of muscles, post isometric relaxation of muscles, activator technique, applying heat/ice and special exercises. In most cases, Dr. Spencer's first goal is to relieve symptoms, particularly pain. If Dr. Spencer feels that you need special appliances or splints (with the exception of the “waterpack” and other guards against teeth grinding), then we can offer co-management with Dr. Kathryn Spencer, where a dental appliance may be used to help with relaxation.
In addition to treatment, Dr. Spencer and the staff at Cool Springs Family Dentistry can teach you: