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What Causes Jaw Pain? Could It Be Dental Related Issue?

August 10, 2026 metadev Comments Off

Jaw pain can develop for many reasons, ranging from muscle strain and joint disorders to infections inside the teeth and gums. If your discomfort is persistent, occurs while chewing, or is accompanied by swelling or tooth sensitivity, there is a strong possibility that the cause is dental rather than muscular.

Understanding the symptoms early helps you seek the right treatment before the condition worsens. While not every case of jaw pain originates in the mouth, dentists are often the first healthcare professionals to identify hidden dental infections, impacted teeth, bite problems, and other oral conditions that contribute to jaw discomfort.

This blog explains what causes jaw pain on one side of the face and its underlying cause.

The Reasons for Jaw Pain?

Jaw pain is a symptom rather than a disease. It may originate from the teeth, gums, jawbone, temporomandibular joint (TMJ), muscles, nerves, or even nearby structures like the ears and sinuses.

Many people searching for what causes jaw pain on one side of the face assume the problem is always muscular. However, one-sided jaw pain frequently develops due to a dental infection, a cracked tooth, a wisdom tooth, or gum disease affecting one side of the mouth.

Common causes include:

  • Tooth infections
  • Gum disease
  • Impacted wisdom teeth
  • Teeth grinding
  • TMJ disorders
  • Dental abscesses
  • Broken or cracked teeth
  • Sinus infections
  • Arthritis
  • Facial injuries

Is Jaw Pain a Sign of Dental Problems?

Dental issues often cause pain that spreads beyond the affected tooth because the jaw contains numerous nerves that run throughout the mouth and face. Dental pain may radiate into:
  • The jawbone
  • Cheeks
  • Ear
  • Neck
  • Temple
  • Lower face

If jaw discomfort occurs together with toothache, swelling, sensitivity, or difficulty chewing, the problem is often dental.

Why Does Tooth Pain Spread into the Jaw?

The nerves supplying your teeth belong to the trigeminal nerve, the same nerve responsible for sensation throughout much of the face.

When infection or inflammation develops around a tooth root, pain can radiate into nearby tissues, making it feel like your entire jaw hurts. The brain sometimes cannot accurately determine the origin of pain, leading to referred pain.

What Dental Conditions Commonly Cause Jaw Pain?

Tooth Infection

One of the most common dental reasons for jaw pain and stiffness is an infected tooth. When bacteria reach the dental pulp, inflammation increases pressure inside the tooth before spreading into the surrounding bone. Symptoms include:
  • Constant throbbing pain
  • Swollen gums
  • Bad taste in the mouth
  • Facial swelling
  • Pain while biting
  • Jaw tenderness
If left untreated, the infection can spread beyond the tooth.

Gum Disease

Advanced periodontal disease affects the tissues supporting the teeth. As infection progresses:
  • Bone begins to deteriorate.
  • Teeth loosen.
  • Gums swell.
  • Jaw discomfort develops.
People often overlook gum disease because the early stages cause little pain.

Poor Bite Alignment

When teeth do not meet correctly, jaw muscles compensate during chewing. Over time, this may result in:
  • Muscle fatigue
  • Jaw clicking
  • Pain while eating
  • Limited jaw movement
Orthodontic treatment may improve bite alignment.

Cracked Tooth

Small fractures allow bacteria to enter the tooth. Symptoms may include:
  • Sharp pain while chewing
  • Intermittent jaw pain
  • Temperature sensitivity
  • Pain that is difficult to locate

Impacted Wisdom Teeth

Wisdom teeth frequently become trapped beneath the gums due to limited space. This pressure can produce:
  • Jaw pain
  • Earache
  • Facial swelling
  • Headaches
  • Difficulty chewing
  • Gum infection

What Are the Signs That Jaw Pain Is Dental Related?

Dental causes become more likely when jaw pain occurs alongside other oral symptoms.

Toothache

Persistent tooth pain often indicates infection.

Pain While Chewing

Pressure on infected teeth frequently worsens pain.

Swollen Gums

Inflamed gums commonly accompany gum disease or abscesses.

Temperature Sensitivity

Sensitivity to hot or cold often suggests nerve inflammation.

Bad Breath

Persistent bad breath may indicate bacterial infection.

Facial Swelling

Swelling should never be ignored, as it can indicate a spreading infection.

What are Non-Dental Causes of Jaw Pain?

Although dentists frequently diagnose jaw pain, other medical conditions may also contribute.

Arthritis

Both osteoarthritis and rheumatoid arthritis can affect jaw joints. Symptoms become worse as the person gets older.

TMJ Disorders

The temporomandibular joint connects the jaw to the skull. TMJ problems may cause:
  • Clicking
  • Popping
  • Jaw locking
  • Pain while opening the mouth

Muscle Strain

Yawning excessively, chewing gum frequently, or facial injuries may strain jaw muscles.

Sinus Infections

Upper sinus pressure sometimes radiates into the upper jaw. Pain usually increases when bending forward.

How Do Dentists Diagnose Dental-Related Jaw Pain?

Diagnosis begins with a comprehensive examination. Dentists may assess the following:

Medical History

Questions include:

  • When did pain begin?
  • What triggers it?
  • Does chewing worsen symptoms?
  • Is swelling present?

Clinical Examination

The dentist checks:

  • Teeth
  • Gums
  • Bite
  • Jaw muscles
  • Jaw movement

Digital X-rays

X-rays reveal:

  • Tooth decay
  • Bone loss
  • Impacted teeth
  • Abscesses
  • Hidden infections

Additional Imaging

Some patients may require:

  • OPG
  • CBCT scans
  • TMJ imaging

for complex cases.

How is Dental Jaw Pain Treated?

Treatment depends entirely on the underlying cause.

Tooth Extraction

Sometimes, badly damaged or impacted teeth require removal.

Root Canal Therapy

Used when infection reaches the tooth pulp. This removes bacteria while preserving the natural tooth.

Gum Disease Treatment

Professional cleaning removes infection beneath the gums. Advanced cases may require periodontal therapy.

Bite Adjustment

Correcting uneven biting forces reduces muscle strain.

Night Guards

Custom mouthguards help protect teeth from grinding.

Wisdom Tooth Removal

Extraction often eliminates recurring infection and pressure.

Antibiotics

Antibiotics may be prescribed when a bacterial infection has spread beyond the tooth. They usually accompany dental treatment rather than replace it.

Jaw Pain by the Numbers

Research highlights the importance of recognising jaw pain early:

  • Around 1 in 5 (19%) Australian adults reported experiencing a toothache during the previous 12 months, highlighting how common dental pain remains and why persistent jaw pain should never be ignored.
  • The Australian Burden of Disease Study found that oral disorders accounted for approximately 2.3% of Australia’s total disease burden and 4.2% of all non-fatal health burden in 2024, demonstrating the significant impact of dental conditions on Australians’ quality of life.

Schedule an Appointment at Myra Smiles for Treating Jaw Pain

At Myra Smiles Dental & Implant Centre, we believe every patient deserves a thorough and compassionate approach to oral health. We take the time to identify the true source of your jaw pain using comprehensive examinations and modern diagnostic technology before recommending personalised treatment.

Whether your discomfort is caused by a tooth infection, wisdom teeth, gum disease, bite issues, or another dental concern, we’re here to help restore your comfort and protect your long-term oral health. If you’re experiencing persistent jaw pain, contact our team today to arrange a professional dental assessment.

FAQs

Yes. A deep cavity can reach the tooth’s nerve, leading to inflammation or infection that spreads into the surrounding jawbone. If untreated, the pain often becomes more severe and may be accompanied by swelling or sensitivity.
A persistent toothache, swollen gums, facial swelling, sensitivity to pressure, bad breath, or fever commonly accompany jaw pain caused by a tooth infection. A dental examination and X-rays are usually needed to confirm the diagnosis.
Yes. An impacted or partially erupted wisdom tooth often affects only one side of the mouth, leading to localised jaw pain, swollen gums, difficulty chewing, and discomfort that may spread towards the ear or throat.
Yes. Stress may contribute to teeth grinding or jaw clenching, placing excessive pressure on the jaw muscles and joints. This often results in morning stiffness, headaches, muscle soreness, and gradual tooth wear over time.
Not always. Mild discomfort may resolve with appropriate treatment, but jaw pain accompanied by facial swelling, fever, difficulty swallowing, breathing problems, or severe infection symptoms requires urgent dental or medical attention.
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