TMJ/TMD

What is TMJ / TMD?

Do you ever experience a clicking or popping sound when opening or closing your mouth? Have you been suffering from headaches or migraines and no one seems to be able to help you? Have you been taking pain medicine for years and would like to get off of it? Do you feel any clogging or congestion in one or both of your ears? These are just a few of many symptoms that might be associated with TMD, or Temporomandibular Dysfunction, a common condition affecting the jaw joint or Temporomandibular Joint (TMJ).

TMJ dysfunction, often referred to as TMD, is a disharmony between the way the jaw joint works in an unstrained position and the way the teeth and bite work during those movements. Possible causes of this disharmony include tooth loss, accidents (like whiplash), mal-positioned and/or underdeveloped cranial or jawbones, and perhaps habits like clenching or teeth grinding. Many people go through life suffering from headaches and a variety of facial and neck pains without knowing the ultimate cause, which in many cases is TMJ disorder.

TMJ or The Temporomandibular Joint

They are the two joints which connect the lower jaw to the temporal bone at the side of the head. If you place your fingers just in front of your ears and open your mouth, you can feel the joint on each side of the head. Because these joints are flexible, the jaw can move smoothly up and down and side to side, enabling us to talk, chew and yawn. When the TMJ is not functioning normally and it is not within its physiological limits, it creates a condition called TMD, or Temporomandibular Dysfunction.

TMD is a group of conditions resulting from not having a normal function or "comfortable" positioning of the TMJ, and will present as a cycle of pain, muscle spasms and jaw problems. When teeth are missing, out of alignment, crowded or misshaped, chewing and biting cannot be achieved in a balanced way, so the TMJ and the muscles of chewing try to compensate for this unbalanced movement which results in symptoms that will confirm the presence of TMD.

Temporomandibular Joint Disorder (TMD) is not just a disorder, but a group of conditions, often painful, that affect the jaw joint or Temporomandibular Joint (TMJ) and the muscles that control chewing.

TMD falls into three main categories:

Myofascial pain, the most common form of TMD, which is discomfort or pain in the muscles that control jaw functions and the neck and shoulder muscles.

Internal derangement of the joint meaning a dislocated or displaced disc or injury to the condyle (the rounded part at the end of the jaw bone).

Degenerative joint disease such as Osteoarthritis or Rheumatoid Arthritis in the jaw joint. Causes of TMJ/TMD

TMD Symptoms

To help diagnose a TMJ disorder, you want to look for the following symptoms that are generally related to TMD.

  • Jaw Pain
  • Jaw Clicking
  • Limited Mouth Opening
  • Jaw Locking
  • Face Pain
  • Eye Pain
  • Ear Pain

If you are experiencing any of these symptoms, please call our office at (813) 336-6389 and we'll be happy to discuss them further and talk possible treatments that are available and would work best for you.

Headaches

If you suffer from frequent head or facial pain, an incorrect bite may be the cause due to constant cranial muscle strain. Headaches from dental stress are a type of muscle tension headache. A tension headache may be on one or both sides of your head and feels like a dull, non-throbbing ache that can usually be relieved by aspirin.

When you swallow, your upper and lower jaw muscles must hold your jaw firmly against the skull. Between swallowing over 2,000 times a day and a poorly aligned bite, the jaw muscles can overwork causing muscle strain which in turn leads to a headache. People who suffer from migraine pain and chronic headaches clench their jaws in a balanced, centered position. This causes extremely intense muscular contraction, but little strain on the jaw. Nighttime jaw clenching usually goes unnoticed but it sets the stage for migraine pain and chronic headache pain.

Posture

Posture and your bite are closely related. One affects the other involving muscles in the neck, back, pelvis, and legs.

Poor posture can place unnecessary wear and tear on your joints and cause your muscles to suffer. Your teeth are what determine how your bite goes together. Your bite then determines the position of your jaw, and in turn, the position of your head on your spine.

The teeth are part of your skeletal system and if/when improperly aligns, there is often a compensating effect on the rest of your body. The human body will adjust itself, involving the muscles in the neck, back, and even those of the pelvis, legs, and feet. Most postural problems can be improved at any age, yet the longer the problem exists, the more difficult it will be to correct.

Symptoms of a poorly postured bite include:

  • Numbing or tingling sensation in the hand
  • Pain in the jaw, head, neck, shoulders, back
  • Difficulty clearing the ears
  • One shoulder being higher than the other
  • Breastbone muscles feel tender to the touch- Pant legs must be hemmed to different lengths
  • Heels wear unevenly

TMJ Treatment

Good news!

Luckily, TMJ/TMD is treatable most of the time.

Simple cases of TMJ can be treated with anti-inflammatory medications and a hot/moist compress.

Treatment for more complex cases usually consist of two phases:

Phase I :
Generally speaking, it includes the fabrication of an orthotic. An orthotic is an acrylic device that is worn on the lower teeth 24 hours a day. The orthotic is designed to reposition the jaw to the correct neuromuscular position.

First we analyze the bite, decide which muscles are causing the pain, and where the current position of the bone is and the disc. All this is done with the aid of advanced equipment like the TENS unit, K7 jaw tracking, Sonography, EMG's and advanced x-rays like Tomography, CT Scans and MRI's of the TMJ.

This will help us determine the best and most comfortable position of the TMJ and the muscles. Once that position is determined, we place the orthotic on the lower teeth to keep the TMJ in that position.

Orthotics usually are worn for 4-6 months or until most of the symptoms are relieved. Once an orthotic is in use, the symptoms start gradually disappearing until we reach a point that both the doctor and the patient are satisfied with. This concludes Phase I of the treatment.

Phase II:
After 4-6 months of relief and when the patient is no longer suffering from any TMD symptoms, Phase II will be considered. Phase II includes any of the following:

  1. Wearing a long term removable orthotic, full time or part time.
  2. Replace missing teeth.
  3. Orthodontic treatment (Braces).
  4. Restore all the lower and/or upper teeth with crowns and veneers to preserve the optimal occlusion (bite) that was achieved with the orthotic in phase I.

Most of the time, any of the above could be considered and chosen, depending on the patients' preferences and financial capability. If you are currently suffering from TMD, it is too early to think of phase II at this time, since it is important to get you out of your pain and symptoms.

Denture patients with TMJ/TMD:
Many patients complain that when they received dentures, they noticed pain in the jaw, headaches, ear problems and other symptoms. Sometimes taking the dentures out will relieve those symptoms.

If your dentures are not made to the correct bite, or vertical dimension, it will most likely cause these symptoms. Simple adjustments could get rid of these symptoms, but sometimes a whole new set of dentures need to be made according to the neuromuscular principles, to get rid of your headaches or jaw pain.

Bite Splints

Bite splints (plates) are effective in relieving TMD symptoms.

A bite splint provides an acrylic platform to bite against. Some bite plates move the mandible to a new position.

Generally, splints are worn part-time and for most people night time seems to be the best time to wear them.

NTI-TSS System

The NTI-TSS System is a type of mouth guard that is placed on the patient's upper teeth. This lets the lower jaw rest in its proper place and causes the teeth to subside from being able to clench together.

If you experience chronic headaches, please ask your doctor because the NTI-TSS System could work for you.

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