Lower Right Side Jaw Pain: Evaluation and Management
Start with a dental evaluation to rule out odontogenic causes, then proceed systematically through temporomandibular disorders (TMD), neuropathic conditions, and life-threatening causes based on specific clinical features. 1
Immediate Red Flags Requiring Urgent Evaluation
Before proceeding with routine management, you must exclude these emergent conditions:
Age >50 with jaw claudication (pain worsening with chewing), temporal headache, scalp tenderness, visual changes, fever, or malaise suggests giant cell arteritis—obtain immediate ESR and CRP, start high-dose prednisone (minimum 40 mg daily) without delay to prevent permanent vision loss, and arrange temporal artery biopsy within 2 weeks 2
Sharp, electric shock-like pain lasting seconds to minutes, triggered by light touch, washing, eating, or brushing teeth indicates trigeminal neuralgia—obtain MRI to exclude tumors or multiple sclerosis, start anticonvulsants as first-line treatment 1, 2
Progressive swelling, exposed bone, or fistulas suggest osteonecrosis or malignancy—refer urgently to oral/maxillofacial surgery 3, 4
First Step: Dental Causes (Most Common)
Obtain dental evaluation first because chronic dental infections frequently mimic TMD and other facial pain syndromes 5:
- Look for localized tooth tenderness, percussion sensitivity, or thermal sensitivity 5
- Consider panoramic radiography if dental pathology suspected 3
- C-reactive protein can detect latent dental infection when clinical findings are subtle 5
- CT scan may reveal insidious chronic infection not apparent on plain films 5
Common pitfall: Treating presumed TMD for weeks while missing underlying dental abscess or periapical pathology 5
Second Step: Temporomandibular Disorders (Most Common Non-Dental Cause)
TMD affects 5-12% of the population and is by far the most common non-dental cause of jaw pain 1, 4:
Clinical Features Suggesting TMD:
- Dull, aching pain in jaw joint area, worsening with chewing or jaw movement 1, 4
- Joint sounds (clicking, popping, crepitus) 1
- Limited mouth opening or deviation during opening 4
- Bilateral TMJ tenderness on palpation 4
- Pain often associated with stress, teeth grinding, or jaw clenching 6
Initial Conservative Management (Try for 4-6 Weeks):
Education and self-management are the cornerstone—improved self-efficacy leads to fewer symptoms 1, 3:
- Jaw rest: avoid wide mouth opening, hard/chewy foods, gum chewing 3, 4
- Soft diet during acute flares 3
- Simple analgesics: NSAIDs or acetaminophen for pain control 3
- Basic jaw exercises and self-massage 3
- Heat or ice application to affected area 1
When to Refer (After 4-6 Weeks of Conservative Management):
Refer to oral/maxillofacial surgeon or dentist specializing in TMD if 3:
- Pain persists despite conservative measures
- Progressive limitation in jaw function
- Significant impact on quality of life (difficulty eating, speaking)
- Diagnostic uncertainty
- Progressive dentofacial deformity or mandibular asymmetry
Advanced TMD Management:
- Hard full coverage stabilization splints may have some efficacy, but education may be more beneficial long-term 1
- Cognitive behavioral therapy has strong evidence for chronic TMD pain 1, 4
- Physiotherapy with jaw mobilization and manual trigger point therapy provides substantial pain reduction 1, 4
- Insufficient evidence for low-level laser therapy 1
- Botulinum toxin showed no benefit in RCT 1
Critical point: Up to 30% of acute TMD cases progress to chronic pain—address psychological factors (depression, catastrophizing) early as they reduce treatment success 3, 4
Third Step: Post-Traumatic or Neuropathic Pain
If there is history of dental procedures (root canal, extraction, implants) or facial trauma:
Post-Traumatic Trigeminal Neuropathic Pain:
- Continuous burning, tingling, or sharp pain at site of previous injury 1
- May develop within 3-6 months of trauma 1
- History of poor analgesia during the procedure is common 1
- Allodynia or other sensory changes on examination 1
- Management: Neuropathic pain medications (gabapentin, pregabalin, tricyclic antidepressants), though high failure rate 1
Atypical Odontalgia (Persistent Dentoalveolar Pain):
- Continuous aching, dull, throbbing pain localized to tooth or tooth-bearing area 1
- No identifiable dental pathology on examination or radiographs 1
- Mild to moderate severity 1
- Management: Cognitive behavioral therapy, neuropathic pain medications 1
Fourth Step: Other Neuropathic Causes
Post-Herpetic Neuralgia:
- History of herpes zoster rash in trigeminal distribution 1
- Continuous burning, tingling, itchy, tender pain 1
- Allodynia and hyperalgesia on examination 1
- Management: Follow neuropathic pain guidelines 1
Glossopharyngeal Neuralgia:
- Deep pain in ear and/or back of tongue, tonsils, neck 1
- Triggered by swallowing, coughing, or touching ear 1, 2
- Can rarely provoke syncope 2
- Management: Anticonvulsants, surgery for refractory cases 1
Fifth Step: Salivary Gland Pathology
Salivary Stone (Sialolithiasis):
- Intermittent dull, aching pain in submandibular area 1, 2
- Pain characteristically occurs just before eating 2
- Tender salivary gland on bimanual palpation 1
- Stone may be palpable in duct 1
- Slow or absent salivary flow from affected duct 1
- Diagnosis: Ultrasound imaging 1, 2
- Management: Refer to oral/maxillofacial surgery for removal 1, 2
Multidisciplinary Referral for Complex or Refractory Cases
For patients failing routine management after 3-6 months, refer to multidisciplinary TMJ clinic which provides superior outcomes in pain scores, mouth opening, and quality of life 3:
The team should include 3:
- Oral and maxillofacial surgeon
- Oral medicine specialist
- Physiotherapist with TMJ expertise
- Maxillofacial prosthetist
- Psychiatrist or psychologist
Common pitfall: Sequential single-specialty consultations rather than coordinated multidisciplinary care leads to worse outcomes for chronic facial pain 3
Specific Physical Examination Components
Perform standardized orofacial examination 1, 3:
- Palpate TMJ bilaterally for tenderness 4
- Measure maximum mouth opening (normal >40mm) 1
- Assess for deviation during opening 1, 4
- Check for joint sounds during opening/closing 1
- Palpate masseter and temporalis muscles for tenderness 6
- Light touch testing in all three trigeminal divisions to identify trigger zones or sensory abnormalities 1, 2
- Examine temporal arteries for tenderness, nodularity, or absent pulse if age >50 2
- Intraoral examination for dental pathology, exposed bone, or mucosal lesions 5
Treatment Algorithm Summary
- Exclude emergencies (giant cell arteritis, trigeminal neuralgia, infection, malignancy) 2, 5
- Rule out dental causes with examination and imaging 5
- Initiate conservative TMD management for 4-6 weeks 3
- Refer to oral/maxillofacial surgeon or TMD specialist if no improvement 3
- Consider neuropathic pain management if post-traumatic or burning/electric quality 1
- Multidisciplinary referral for refractory cases after 3-6 months 3