When a patient comes in describing persistent jaw pain, facial pressure, and limited mouth opening, the instinct is to reach for imaging and look for structural evidence. But in orofacial pain, the tissue rarely tells the full story. As a specialty grounded in the biopsychosocial model, we understand that chronic pain is shaped as much by the mind as by the body, and that ignoring the psychological dimension can lead to incomplete diagnoses, frustrated patients, and suboptimal outcomes.
This blog explores what two contrasting clinical cases reveal about the relationship between mental health and orofacial pain, and why understanding that relationship makes us better clinicians.
Two Patients, Two Very Different Stories
Consider two clinical scenarios that challenge assumptions about mental health and pain.
The first patient presents with significant chronic facial pain, substantial functional disability, and marked emotional distress. Despite normal or near-normal imaging findings, he reports constant pain that limits his daily activities, interprets his condition as evidence of irreversible harm, and attributes his suffering to prior surgical interventions. His pain behavior is prominent: facial grimacing, guarded movement, and exaggerated responses to gentle palpation.
The second patient has a confirmed psychiatric diagnosis, obsessive-compulsive disorder (OCD), and takes multiple psychotropic medications. Clinically, she presents with TMJ clicking and some occlusal wear. And yet, she reports minimal pain, demonstrates excellent coping, and maintains high treatment compliance. Her psychiatric history does not predict her pain experience.
The contrast between these two patients reinforces a foundational principle: a psychiatric diagnosis alone does not determine pain severity or dysfunction. Coping style and psychosocial context are far more clinically relevant.
Pain Behavior as Clinical Data
In orofacial pain, observable behavior is not simply emotional expression; it is clinical information. Grimacing, reduced activity tolerance, and heightened responses to palpation can signal central sensitization, a process in which the nervous system amplifies pain signals beyond what peripheral tissue damage alone would explain [2, 3].
Conversely, a patient with documented structural findings, joint clicking, disc displacement, occlusal wear, but who demonstrates adaptive coping and minimal pain behavior may be functioning with stable central pain processing. Structural findings alone do not dictate the clinical picture.
For practitioners, this means expanding the clinical exam beyond imaging to include a careful assessment of pain behavior, coping strategies, and the patient’s narrative about their condition.
The Role of Cognitive and Emotional Factors
Research consistently shows that catastrophizing, fear-avoidance beliefs, and negative outcome expectations are among the strongest predictors of pain intensity and disability [3]. These are not signs of weakness; they are modifiable risk factors that respond to targeted psychological intervention.
In the first case above, the patient had constructed a maladaptive pain narrative: he believed his condition was worsening irreversibly, feared that any movement would cause further damage, and viewed previous interventions as sources of harm. This cognitive framework amplified his experience of pain, independent of any tissue pathology.
The second patient, despite carrying a chronic psychiatric diagnosis, showed none of these cognitive distortions. She held realistic expectations about her condition and engaged constructively with treatment. Her mental health diagnosis did not translate into maladaptive pain cognition.
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The Pain-Mental Health Feedback Loop
The relationship between chronic pain and mental health is bidirectional and well established [4]. Depression, anxiety, and chronic stress contribute to increased muscle tension, disrupted sleep, and altered pain modulation, all of which can exacerbate orofacial pain conditions. At the same time, persistent pain negatively affects mood, work capacity, social relationships, and overall quality of life, creating a self-reinforcing cycle.
In severe cases, this cycle can escalate to suicidal ideation, making timely identification and interdisciplinary intervention not just clinically important, but ethically essential. Orofacial pain practitioners must feel comfortable screening for psychological distress and knowing when to refer.
Pharmacologic Considerations in This Population
Patients with co-occurring psychiatric conditions often take psychotropic medications, and these can directly affect the orofacial region. Selective serotonin reuptake inhibitors (SSRIs), commonly prescribed for depression, OCD, and anxiety, are associated with drug-induced bruxism, a phenomenon more prevalent with agents such as fluoxetine, sertraline, and venlafaxine [2]. Symptoms may begin within 3 to 4 weeks of medication initiation and can contribute to muscle pain, occlusal wear, and temporomandibular disorders.
Conversely, neuromodulators used in chronic pain management must be monitored for psychiatric side effects, including mood changes and, in rare cases, suicidal ideation [4]. Coordinating care with the patient’s prescribing provider is not optional in these cases, it is part of responsible orofacial pain practice.
Classifying Patients to Guide Treatment
A practical framework that many orofacial pain clinicians find useful is the adaptive-dysfunctional classification. Adaptive copers generally respond well to standard conservative therapies, oral appliances, myofascial protocols, patient education. Dysfunctional patients, by contrast, are characterized by high disability, significant emotional distress, and maladaptive beliefs. These patients require integrated mental health support alongside physical treatment [1, 3].
Some patients may also present with complex psychological overlays, including features consistent with a strong need to maintain a “sick role.” These presentations require compassionate but careful clinical reasoning, and often benefit most from collaborative, interdisciplinary care [1, 5].
Multimodal Treatment: More Than Physical Therapy
Effective orofacial pain management is multimodal by necessity. Physical interventions, myofascial release, thermal therapy, trigger point injections, oral appliances, address peripheral contributors and are foundational to care. But long-term improvement in pain and function depends on simultaneously addressing the psychological and behavioral dimensions of the patient’s experience [1].
Behavioral interventions, cognitive restructuring, and psychological referral are not “add-ons” for complex cases. They are evidence-based treatments with meaningful effect sizes, particularly for patients with catastrophizing, high disability, or chronic overlapping pain conditions.
Communication Is Therapeutic
Perhaps one of the most clinically underrated interventions is the therapeutic relationship itself. Patients who feel heard, validated, and informed show measurably better engagement and outcomes. In the challenging case described above, simply allowing time for the patient to articulate his concerns, and responding with honest reassurance and clear communication, contributed to improved treatment adherence and gradual symptom reduction [1].
Active listening is not passive. In the context of chronic orofacial pain, it is a deliberate clinical skill that reduces distress, builds therapeutic alliance, and can interrupt maladaptive pain cycles before they become entrenched.
Taking the Biopsychosocial Model Seriously
Orofacial pain is not defined by what a scan shows. It is defined by the patient’s experience, and that experience is shaped by biology, psychology, and social context in equal measure. Clinicians who embrace this framework move beyond the limitations of a purely biomedical model and into the kind of comprehensive, patient-centered care that produces lasting outcomes [3].
The biopsychosocial model is not a soft alternative to real medicine. It is the evidence-based standard of care for chronic pain. And in orofacial pain, applying it thoughtfully, from history-taking to treatment planning to referral decisions, is what separates good clinical care from truly excellent care.
Are you interested in a variety of issues focused on orofacial pain, medicine and sleep disorders? Consider enrolling in the Herman Ostrow School of Dentistry of USC’s online, competency-based certificate or master’s program in Orofacial Pain and Oral Medicine.
References
- Clark GT. Psychology for Dental Residents. Lectures 6–7. Ostrow School of Dentistry of USC; 2019.
- Garrett AR, Hawley JS. SSRI-associated bruxism: A systematic review of published case reports. Neurol Clin Pract. 2018;8(2):135–141. doi:10.1212/CPJ.0000000000000433.
- Gatchel RJ, Peng YB, Peters ML, Fuchs PN, Turk DC. The biopsychosocial approach to chronic pain: scientific advances and future directions. Psychol Bull. 2007;133(4):581–624. doi:10.1037/0033-2909.133.4.581.
- Bair MJ, Robinson RL, Katon W, Kroenke K. Depression and pain comorbidity: a literature review. Arch Intern Med. 2003;163(20):2433–2445. doi:10.1001/archinte.163.20.2433.
- Savino AC, Fordtran JS. Factitious disease: clinical lessons from case studies. Proc (Bayl Univ Med Cent). 2006;19(3):195–208. doi:10.1080/08998280.2006.11928170.
