Your mouth plays a major role every day, enabled by various components working together. The temporomandibular joints are key components that allow you to move your mouth, close it, and open it. The temporomandibular joints function effortlessly when healthy. However, even the smallest movements can trigger significant pain when these joints become irritated or inflamed. Jaw pain can make daily functions, like smiling, talking, and eating, uncomfortable. The Encino Dentist offers TMJ treatment options tailored to help address discomfort and support jaw function.
Understanding TMJ/TMD
Temporomandibular joint disorders are a group of conditions that affect the temporomandibular joints, the surrounding tissues of the jaw, and the muscles used for chewing. The TMJs are found on both sides of the head, linking the skull to the lower jaw in front of the ears. These joints play a major role in daily activities, like yawning, swallowing, chewing, and speaking.
Signs Of Temporomandibular Joint Disorders
The following are the signs of TMJ:
Sleeping Disturbances
TMJ pain can significantly affect sleep quality. Some of the sleep-related symptoms include poor sleep quality, morning headaches, grinding noises during sleep, jaw pain upon waking, and frequent waking. Anxiety and stress can further worsen nighttime clenching.
Dizziness And Balance Issues
Some patients with TMJ disorders will experience balance disturbances, mild vertigo, and lightheadedness. The exact link is unclear, but nearby nerve irritation and muscle tension can contribute.
Tooth Pain Without Dental Disease
Sometimes, TMJ mimics dental issues. Some signs include pressure sensitivity, pain in multiple teeth, sensitivity without cavities, and aching teeth. You may think you require dental treatment when the source of pain is actually muscular or joint-related.
Muscle Tightness And Fatigue
The jaw muscles can become overworked because of grinding, abnormal jaw movement, and clenching. Some of the signs include soreness around the temples, muscle cramps, fatigue after talking, and tight facial muscles. This can cause discomfort while chewing or prolonged speaking.
Swelling Around The Jaw
You will experience visible swelling because of inflammation in the TMJ area. The swelling can appear in the cheek area, along the jawline, and near the ear. The swelling can be mild or accompanied by tenderness and warmth.
Changes In Bite Alignment
Sometimes, you will discover that your lower and upper teeth no longer fit together properly. Bite-related symptoms include difficulty finding a comfortable jaw position, sudden changes in tooth contact, uneven pressure when biting, and feeling that the bite is off. This can occur due to joint displacement, muscle imbalance, or inflammation.
Neck And Shoulder Pain
TMJ disorder can affect nearby muscles in the shoulders, neck, and head. Associated signs include muscle spasms, upper back discomfort, shoulder tension, and neck stiffness. The muscles of the neck and jaw work together, whereby strain in one area can affect the other.
Teeth Grinding And Clenching
Jaw clenching and teeth grinding are strongly associated with TMJ disorders. Some of the symptoms include headaches upon waking, tooth sensitivity, tight jaw muscles, morning jaw soreness, and worn or flattened teeth. Teeth grinding and clenching often happen during sleep and can put excessive stress on the jaw joints and muscles.
Pain While Chewing
Patients with TMJ disorders usually experience discomfort while eating. Some of the signs you can experience while eating include muscle soreness after meals, difficulty biting, uneven chewing, pain when chewing hard foods, and jaw fatigue. Hard foods like chewing gum, tough meat, nuts, and crunchy snacks can worsen the symptoms.
Ear Symptoms
TMJ disorders can cause ear-related symptoms because the TMJ is close to the ears. You will experience this even if you have healthy ears. Common ear-related symptoms include mild dizziness, sound sensitivity, a feeling of fullness in the ear, tinnitus, and ear pain. Many patients mistakenly think they have an ear infection when the real issue is the TMJ.
Headaches
Sometimes, TMJ disorders exhibit signs of frequent headaches. The types of headaches linked with TMJ include pressure around the forehead, migraine-like headaches, temple pain, and tension headaches. The headaches usually arise from muscle tension caused by jaw grinding or clenching.
Facial Pain
You can experience pain in the surrounding facial structures because of TMJ disorders. Some of the areas affected include the jawline, lower face, around the ears, temples, and cheeks. The pain can mimic dental pain, nerve discomfort, and sinus pressure, making diagnosis difficult.
Jaw Locking
Jaw locking is a more severe or advanced sign of TMJ disorder. The types of jaw locking include open lock and closed lock. An open lock is a condition in which a patient has difficulty closing the mouth, while a closed lock is a condition in which a patient has difficulty opening the mouth. Locking can occur abruptly and can last seconds, minutes, or longer. This can happen because the disc inside the TMJ has moved out of its natural position.
Difficulty Opening or Closing The Mouth
TMJ can affect the natural movement of the jaw. Some symptoms include reduced jaw mobility, pain when opening widely, a feeling that the jaw is stuck, difficulty chewing large bites, and limited mouth opening. Some patients can only partially open their mouths because of joint inflammation or muscle tightness.
Clicking, Popping, or Grating Sounds
Most patients with TMJ disorders experience unusual sounds when moving the jaw. Some common sounds include popping, clicking, grinding, or grating. You will experience these sounds during yawning, chewing food, closing the mouth, and opening the mouth. A clicking sound without pain is usually not severe, but it can indicate joint dysfunction when accompanied by discomfort, locking, or limited movement.
Jaw Pain And Tenderness
Another common symptom of TMJ disorder is pain around the jaw joint. You can experience pain on one or both sides of the face. The following are the characteristics of the pain:
- Pain spreading to the cheeks, neck, or temples
- Tenderness when touching the jaw muscles
- Pain that worsens in the morning or evening
- Sharp pain during talking or chewing, and
- Dull aching pain
Some patients experience mild discomfort, while others experience severe pain, which can affect daily activities like speaking or eating.
Causes Of TJM
The major causes of TMJ disorders include:
Muscle Imbalances And Facial Tension
TMJ disorders can occur if the muscles controlling jaw movement develop problems. Some of the contributing factors include neck muscle strain, chronic tension, muscle spasms, and uneven muscle use. Muscle-related TMJ disorders are always known as myofascial TMJ disorders.
Dental Habits or Procedures
Some dental conditions and procedures can temporarily strain the TMJ. This includes tooth loss, recent orthodontic changes, poorly fitting dentures, and long dental appointments requiring the mouth to stay open. The above situations can exert abnormal stress on the jaw muscles and joints.
Sleep Disorders
Sleep-related issues can cause TMJ disorders. Some sleep disorders include insomnia, poor-quality sleep, and sleep apnea. Individuals with sleep disturbances usually clench or grind their teeth during sleep. Lack of restful sleep can also lead to muscle tension and increased pain sensitivity.
Hormonal Factors
Hormones can play a major role in TMJ disorders. Women are affected more often than men. Estrogen can influence pain sensitivity and joint tissues. Hormonal changes can trigger inflammation. TMJ disorders are common during reproductive years.
Connective Tissue And Joint Disorders
The body’s connective tissues can be affected by certain medical conditions, leading to unstable joints. Some of the conditions include lupus, hypermobility disorders, and Ehlers-Danlos syndrome. The above conditions can weaken ligaments supporting your jaw joint, increasing the risk of chronic pain, dislocation, and joint instability.
Overuse Of Jaw Muscles
Repetitive or excessive jaw movement can strain the TMJ. Some of the activities that can contribute include holding objects between the teeth, singing for long periods, wide yawning, chewing hard foods, nail biting, and excessive gum chewing. Your joint and the surrounding muscles can become inflamed from repeated overuse.
Poor Posture
Poor posture, particularly involving the shoulders and neck, can affect muscle function and jaw alignment. Common posture-related issues include sleeping in awkward positions, slouching while using computers or phones, and forward head posture. Poor posture changes muscle balance in the jaw and neck. As a result, tension increases in the muscles connected to the TMJ and can worsen stiffness and pain.
Disc Displacement In The Joint
TMJ has a small cartilage disc inside that cushions movement between the bones. The disc can move out of position, become damaged, or slip forward during movement. This can cause jaw locking, clicking or popping sounds, pain while chewing, and difficulty opening or closing the mouth. Disc displacement is a common structural cause of TMJ disorders.
Misaligned Bite
Issues with teeth or jaw alignment can contribute to TMJ disorders. Some of the problems include uneven dental restorations, missing teeth, crossbite, underbite, and overbite. An improper bite can force your jaw to move unnaturally during speaking and chewing. With time, this exerts stress on the joint and surrounding muscles. However, not all people with a bad bite suffer TMJ disorders. It is only a contributing factor in some people.
Arthritis
Various forms of arthritis can affect the TMJ just as they affect other body joints. Osteoarthritis is a wear-and-tear arthritis that breaks down cartilage gradually within the joint. Rheumatoid arthritis is an autoimmune condition in which the body attacks joint tissues, causing reduced jaw movement, joint destruction, swelling, and pain. Psoriatic arthritis and other inflammatory conditions can damage the TMJ and surrounding tissues. The symptoms associated with arthritis include chronic pain, difficulty opening the mouth, swelling, grinding sensations, and joint stiffness.
Jaw Injury or Trauma
Direct injury to the face or jaw can damage the TMJ. Some of the trauma includes dental trauma, physical assault, falls, sports injuries, and car accidents. The effects of trauma include long-term joint instability, swelling and inflammation, muscle strain, damage to cartilage or bone, and dislocation of the jaw. Sometimes, even minor injuries can trigger chronic TMJ signs if recovery is incomplete.
Stress And Emotional Tension
TMJ disorders are also associated with psychological stress. The effects of stress on the jaw include:
- Makes pain feel more intense
- Leads to muscle fatigue and poor posture
- Increases muscle tension in the neck and face, and
- Causes unconscious jaw clenching
Patients with chronic stress can repeatedly tighten their jaw muscles without noticing it. This can eventually cause pain and inflammation around the TMJ.
Teeth Grinding And Jaw Clenching
Bruxism is one of the most common causes of TMJ disorders. This involves clenching and grinding the teeth. It can happen during sleep or while awake. Bruxism causes TMJ issues in the following ways:
- Constant pressure strains the jaw joint and muscles
- Protective cartilage in the joint wears down because of grinding
- Clenching increases inflammation and tightens facial muscles
- Excessive force can move the jaw joint out of proper alignment
The common symptoms include tight facial muscles, ear pain without infection, frequent headaches, worn or flattened teeth, and morning jaw pain or stiffness. Anger, anxiety, stress, and poor sleep often worsen bruxism.
Diagnosis And Testing Of TMJ
Early diagnosis and proper evaluation can help reduce chronic pain, prevent worsening joint damage, and improve jaw function and quality of life. Diagnosis and tests follow these steps:
Evaluation Of Your Medical History
The diagnostic process often starts with a comprehensive medical and dental history. Your doctor will inquire the following from you;
- The time the pain started
- Whether the pain is intermittent or constant
- The activities that can make the symptoms worse
- Whether you clench or grind your teeth
- Whether you have suffered jaw trauma
- Whether headaches or ear signs are present
- Whether stress is contributing to muscle tension, and
- Whether the past dental procedures affected the signs
The doctor will also ask you about anxiety, arthritis, sleep habits, and previous orthodontic treatment.
Physical Evaluation
The physical assessment is one of the most crucial diagnostic steps. Your doctor will observe the jaw movement to determine:
- How wide does your mouth open
- Whether your jaws deviate to one side
- Smoothness of jaw movement, and
- Symptoms of restricted movement
Normal mouth opening is often 35-55 millimeters. The doctor will palpate the jaw muscles. He/she can press on the muscles around the jaw and face to check for tenderness or muscle spasms. The muscles often assessed include the pterygoid muscles, the temporalis, and the masseter. You could be having a muscle-related TMJ disorder if you feel pain during palpation.
Your doctor will perform a sound evaluation, listening for and feeling for popping, clicking, and grinding sounds. Grinding sounds could suggest joint degeneration or arthritis, while a clicking sound can indicate disc displacement.
Bite assessment can also be performed, during which the doctor will check how the lower and upper teeth fit together. Bite abnormalities can cause jaw stress. Bite evaluation can include checking for signs of teeth grinding, misalignment, uneven wear, and missing teeth.
The doctor will also test the range of motion by assessing forward jaw movement, side-to-side movement, and maximum mouth opening. Limitation or pain during these movements can suggest muscle or joint dysfunction.
A dental examination can also be performed, during which your doctor will check for tooth wear patterns, oral habits, bite abnormalities, gum condition, cracked teeth from grinding, and other conditions. Bruxism usually leaves visible evidence on your teeth and can indicate TMJ disorder.
Imaging Tests
Imaging tests help visualize joint structure, soft tissues, and bones. Conventional dental X-rays can reveal fractures, dental issues, joint degeneration, and bone abnormalities. On the other hand, panoramic x-rays can reveal a wider view of the jaw and teeth.
A CT scan often shows detailed cross-sectional images of the jaw bones and joint structures. It can detect structural abnormalities, arthritis, fractures, and bone erosion. MRI is considered the ideal test for evaluating soft tissues within the TMJ. It can reveal ligament damage, fluid accumulation, soft tissue injury, joint inflammation, and disc displacement. MRI plays a major role when jaw locking or severe dysfunction is present.
Sometimes, the doctor can perform an ultrasound to determine joint movement and inflammation.
Specialized TMJ Diagnostic Tests
The following are some of the specialized TMJ diagnostic tests your doctor can perform:
TMJ Arthroscopy
The doctor can perform a TMJ arthroscopy, which is a minimally invasive procedure. It involves inserting a tiny camera into your joint. This camera enables the surgeon to view internal joint structures, assess disc position, identify adhesions, and detect inflammation. Sometimes, arthroscopy can be therapeutic and diagnostic.
Electromyography (EMG)
Your doctor can perform electromyography to measure muscle activity around the jaw. This helps assess abnormal muscle function, muscle coordination, and muscle tension. EMG is also important in patients with severe muscle-related symptoms.
Joint Vibration Analysis
Joint vibration analysis is a computerized test used to assess vibrations produced by jaw movement. This often helps the doctor to determine abnormal joint mechanics, joint instability, and disc displacement. However, it is not as popular as MRI or physical examination.
Bite Analysis
The doctor will perform a digital bite analysis to determine how your teeth contact during chewing and jaw closure. This test also helps to determine occlusion issues, excessive pressure points, and bite imbalances.
Treatment And Management Of TJM
The treatment and management of TMJ involves the following:
Arthrocentesis
Arthrocentesis is a minimally invasive procedure in which the surgeon injects fluid into the joint to wash out inflammatory substances. This is done to remove debris from the joint, reduce pain, and improve movement.
Open Joint Surgery
Your surgeon can perform open surgery if you have severe joint damage, tumors, structural abnormalities, or joint fusion. However, this procedure is often the last option because it can cause limited movement, scarring, nerve injury, and infection.
Botulinum Toxin (Botox) Injections
A doctor can administer Botox injections to help relax overactive jaw muscles and reduce pain from teeth grinding or muscle tension. This is done to relieve chronic pain and reduce clenching and muscle spasms.
Corticosteroid Injections
Corticosteroids can be injected directly into the TMJ in severe inflammation. Your doctor can do this to improve jaw movement, temporarily relieve pain, and promote rapid reduction of inflammation. However, repeated injections are discouraged because they can damage joint tissues.
Antidepressants
The doctor can use low doses of specific antidepressants to control chronic pain and improve sleep. Amitriptyline is one of the antidepressants that can be used.
Muscle Relaxants
Muscle relaxants help reduce jaw muscle spasms. They include Diazepam and Cyclobenzaprine. However, these relaxants are often prescribed for short-term use.
Pain Relievers
You can use non-steroidal anti-inflammatory drugs to reduce pain and inflammation. They include Naproxen and Ibuprofen. These drugs also improve chewing comfort, relieve muscle pain, and reduce joint inflammation.
Resting The Jaw
Resting the jaw is conservative management. It allows the jaw joint and muscles to rest, which reduces inflammation and strain. Some of the recommendations include:
- Reduce excessive talking when painful
- Avoid biting nails or pens
- Avoiding a wide mouth opening
- Eating soft foods
- Avoiding chewy or hard foods, and
- Avoid chewing gum
The soft food you should eat includes smoothies, soft vegetables, eggs, soup, yogurt, rice, and mashed potatoes.
Application Of Cold or Heat
Cold packs can help numb pain and reduce swelling. Warm compresses improve blood circulation by relaxing tight muscles. You should apply for 15 to 20 minutes at a time, several times daily. Wrap ice or a heat source in cloth to avoid skin injury.
Physical Therapy And Jaw Exercises
Gentle exercises can help strengthen jaw muscles and improve mobility. Some of the exercises you should do include resistance exercises, chin tucks, side-to-side jaw movements, and slow opening and closing of the mouth. Your physical therapist can also include posture correction, stretching techniques, massage, and ultrasound therapy.
Stress Management
Stress often causes muscle tension and teeth clenching, worsening TMJ signs. Some of the stress reduction techniques include regular physical activity, adequate sleep, counseling, relaxation exercises, meditation, and Deep breathing.
Correcting Poor Habits
Some behaviors can exert pressure on the jaw joint. The habits you should avoid include nail biting, teeth clenching, and teeth grinding.
Find a Dependable General Dentist Near Me
It is often challenging to determine the specific cause of TMJ disorder because it can result from different situations. The pain can occur due to several factors, including teeth clenching, stress, jaw injury, and conditions like osteoarthritis. Clenching or grinding your teeth, also known as bruxism, can lead to TMJ pain. Sometimes, the pain associated with TMJ lasts only a few days and can be treated at home. However, if the pain is severe, you should seek treatment. Your doctor can recommend surgery if all conservative treatments fail. If you or your loved one is experiencing TMJ pain, our dentists at The Encino Dentist can help. Contact us today at 818-650-0429 to speak to one of our dentists.