Maximus Gage
Toothaches are the main reason patients seek dental care, but not all toothaches are caused by dental issues. In some cases, muscle tension in the head, face, and neck can lead to referred pain in the teeth. This occurs when trigger points or knots in the muscles refer pain to distant sites, often non-muscular tissues such as teeth. This phenomenon, known as myofascial pain, can be challenging to diagnose and differentiate from dental pain, but accurate diagnosis and treatment are crucial to providing relief to patients.
| Characteristics | Values |
|---|---|
| Type of pain | Constant and non-pulsatile with a dull aching quality |
| Exacerbations | Movement or provocation |
| Relief | Local anesthetic block or infiltration of the tooth will not provide relief; anesthetic placed at the muscle trigger point will |
| Diagnosis | Accurate diagnosis is important; myofascial pain with referral is the most common cause of secondary toothache |
| Muscle | Masseter muscle is the most common painful muscle in temporomandibular disorders |
| Cause | Taut bands, known as trigger points, are typically present within the involved muscles |
| Palpation | Palpation of trigger points results in pain referral to distant sites in the head and neck, including teeth |
| Muscle treatment | Massage therapy, physical therapy, muscle relaxers, analgesics, injections of Botox, ultrasound therapy, transcutaneous electrical nerve stimulation, low-level laser therapy, biofeedback, and intraoral appliances |
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What You'll Learn
Myofascial pain with referral
Trigger points can be identified by palpation, which will result in pain referral to distant sites in the head and neck, including the teeth. This referred pain can be a source of confusion for both patients and clinicians, as the site where the patient feels the pain is different from the actual source of the pain. For example, the anterior temporalis muscle can refer pain to the maxillary (upper) incisors, while the posterior temporalis can refer pain to the maxillary molars.
Myofascial pain syndrome is a musculoskeletal condition characterised by regional pain within the muscle, fascia, or surrounding soft tissue. It often presents with localized or referred pain, typically associated with hyperirritable trigger points within taut bands of skeletal muscle. The onset of pain may be acute or insidious, and symptoms may arise following muscle injuries or as a result of overuse activities.
Treatment of myofascial pain aims to relieve pain and address underlying causes through both pharmacological and non-pharmacological approaches. Non-invasive techniques include therapeutic ultrasound, low-level laser therapy, transcutaneous electrical nerve stimulation (TENS), and drug therapy (e.g. muscle relaxants). Invasive techniques, on the other hand, involve the inactivation of active loci in central trigger points with a needle.
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Taut bands, or trigger points
Trigger points can be located deep within the muscle fibres of the head, face, and neck muscles, causing pain to spread up and around the sides of the head. The anterior temporalis muscle can refer pain to the upper incisors, while the posterior can refer pain to the maxillary molars. The digastric muscle can refer pain to the mandibular incisors. The masseter muscle is the most common painful muscle in temporomandibular disorders.
Myofascial pain can be challenging to diagnose, as it may present with no significant clinical findings. The pain is typically constant and non-pulsatile, with a dull, aching quality. Movement or provocation may exacerbate the pain, and it will not respond to local anaesthesia or infiltration of the tooth. However, anaesthesia placed at the trigger point can provide relief. Deep-stroking massage across trigger points can also relieve pain by improving circulation, lymphatic drainage, and endorphin release.
TMJ disorders can also cause toothache due to the proximity of the jaw joint to the teeth. Clenching or grinding the teeth can strain the TMJ and cause pain. TMJ disorders can be caused by injuries, traumas, or complex dental procedures. Dentists can assist in diagnosing and treating TMJ disorders, and may prescribe muscle relaxants, analgesics, or anti-inflammatory medications.
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TMJ headaches and facial pain
Muscle tension can indeed cause toothache. Myofascial pain with referral is considered the most common cause of secondary toothache. This pain is typically felt as a dull ache and is constant and non-pulsatile. Taut bands, known as trigger points, are usually present within the involved muscles, and trigger point injections with local anaesthesia can help alleviate the pain.
TMJ, or temporomandibular joint, headaches are a specific type of headache caused by TMJ dysfunction. They are often described as a ring of tension and pain around the head, similar to wearing a hat that is too small. TMJ headaches can be chronic and may come and go, and they can also be misdiagnosed as migraines. They are often felt as if they are originating behind the eyes. TMJ disorders can also cause facial pain, and the tension may trigger migraines.
TMJ dysfunction affects everyone differently, and it can be temporary or chronic. It can cause pain and inflammation in the jaw joints, as well as restricted jaw movement and changes in bite ability. It can also lead to clicking and popping in the jaw, jaw stiffness, and limited movement or locking of the jaw. In some cases, it can result in severe damage to the joint, requiring surgery or implants.
TMJ issues can be caused by various factors, including poor posture, chewing on non-food items, excessive chewing, taking large bites, teeth clenching or grinding, and sleeping on the stomach. Stress and anxiety can also play a significant role in TMJ pain, as they can lead to muscle tension in the body, including the muscles surrounding the temporomandibular joint.
If you are experiencing TMJ headaches, facial pain, or other TMJ symptoms, it is important to consult a healthcare provider. They can help diagnose the issue and recommend appropriate treatments, such as medication, mouth guards, physical therapy, or oral surgery.
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Diagnosing muscle vs. tooth pain
Toothaches can be challenging to diagnose due to the complex nature of the oral cavity, innervation, and vascularization. Sometimes, the pain felt in the teeth is referred pain from another source, such as muscles, joints, or intracranial structures. This is known as myofascial pain with referral and is characterized by pain that is felt beyond the boundary of the muscle being palpated. Trigger points, or taut bands, within the muscles can refer pain to the teeth.
Differentiating between muscular and tooth pain can be tricky, but here are some strategies to help:
- Application of Heat or Cold: If the toothache is muscular, applying heat or cold to the tooth will not increase the pain.
- Percussion and Biting Pressure: Consistent percussion and biting pressure on the tooth will not increase the pain if it is muscular in origin.
- Local Anesthesia: Infiltration of local anesthesia around the painful tooth will not decrease muscular tooth pain. However, injecting anesthesia into the trigger point in the muscle will reduce the toothache.
- Provocation of the Tooth: Tooth pain originating from muscles will not respond to provocation of the tooth where the pain is felt.
- Palpation of Trigger Points: Palpating the trigger points in the muscles will increase the toothache because this is the actual source of the pain.
It is important to note that an accurate diagnosis is crucial to providing effective treatment for patients with oral and facial pain. A systematic approach, including a thorough history and clinical evaluation, should be employed to avoid missing critical data and ensure appropriate management.
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Treatment options for muscle tension
Muscle tension can be caused by stress, dehydration, delayed-onset muscle soreness, insect bites or stings, and electrolyte imbalances. Taut bands, known as trigger points, are typically present within the involved muscles. This tension can cause pain in the head and neck, including the teeth.
If you are experiencing muscle tension, there are several treatment options available. Here are some approaches to consider:
- Stretching: Regular stretching can help loosen stiff muscles and reduce the risk of a pinched nerve. It is important to stretch gently and only to the point of mild tension. Holding each stretch for 10-30 seconds and breathing slowly can help ease the muscle into relaxation.
- Exercise: Incorporating more frequent exercise into your routine can help improve muscle stiffness and overall flexibility. It is important to maintain proper hydration and electrolyte balance, especially when exercising, to prevent muscle cramps and tension.
- Posture improvement: Making adjustments to your posture can help relieve muscle tension, particularly in the back, neck, and shoulders. Maintaining a healthy weight for your body can also reduce muscle tension.
- Heat and cold therapy: Alternating between hot and cold therapy for 20 minutes several times a day can help relax tight muscles. Taking warm baths can also increase blood circulation, reducing muscle tension.
- Massage therapy: Massaging the affected muscles a few times a day can help relieve tension and improve overall muscle relaxation.
- Rest: Allowing your body to rest until the stiffness decreases can be beneficial. Getting adequate sleep and reducing physical activities that may exacerbate the tension can aid in the healing process.
- Medications: Over-the-counter pain relievers, such as non-steroidal anti-inflammatory drugs (NSAIDs) like ibuprofen, can help manage muscle pain and reduce inflammation.
- Physical therapy: If at-home remedies are ineffective, consulting a physical therapist may be beneficial. They can prescribe specific exercises to increase mobility, strengthen muscles, and reduce pain.
- Trigger point injections: In some cases, such as toothaches of muscular origin, trigger point injections with local anesthesia into the affected muscle can provide significant pain relief.
- Stress management: Stress can be a contributing factor to muscle tension. Finding healthy coping mechanisms to manage stress, such as meditation or deep breathing, may help reduce muscle tension and associated pain.
It is important to consult a healthcare professional if muscle tension persists or is accompanied by other symptoms, as it could indicate an underlying condition that requires further treatment.
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Frequently asked questions
Yes, muscle tension can cause toothaches. Taut bands, known as trigger points, are typically present within the involved muscles. Palpation of these trigger points results in pain referral to distant sites in the head and neck, including teeth.
If the toothache is muscular in origin, applying heat or cold to the tooth, percussion, biting pressure, or infiltration of local anaesthesia around the painful tooth will not increase the pain. However, palpation of the trigger point in the muscle will increase the toothache because it is the actual source of the pain.
Muscle relaxants, analgesics, and anti-inflammatory medicines may be prescribed based on the pain level. Deep-stroking massage across trigger points, ultrasound therapy, transcutaneous electrical nerve stimulation (TENS), and low-level laser therapy are also treatment options.
