Brief group cognitive-behavioral intervention for temporomandibular disorders

Area of Science:

• Oral and Maxillofacial Medicine
• Behavioral Medicine
• Chronic Pain Management

Background:

• Temporomandibular disorders (TMD) are chronic pain conditions affecting masticatory muscles and the temporomandibular joint.
• Epidemiologic and clinical studies confirm TMD as a significant chronic pain problem.
• Current treatments focus on dental interventions for TMD symptoms.

Purpose of the Study:

• To evaluate if a brief cognitive-behavioral (CB) intervention enhances usual dental TMD treatment.
• To determine if patients with high somatization benefit less from this CB intervention.
• To assess the impact of CB intervention on TMD pain and related variables.

Main Methods:

• A randomized clinical trial compared usual TMD treatment (UT) with a minimal CB intervention followed by UT.
• Outcomes were assessed at 3- and 12-month follow-ups.
• Variables included TMD pain, pain interference, depression, somatization, and jaw range of motion.

Main Results:

• Patients receiving CB intervention plus UT showed greater long-term reduction in pain and pain interference compared to UT alone.
• Benefits of CB intervention became apparent between 3 and 12 months, not at the 3-month mark.
• No significant improvements were observed for depression, somatization, or jaw range of motion.
• Patients with high somatization did not appear to benefit from the brief CB intervention.

Conclusions:

• A minimal CB intervention, when added to usual dental treatment, can improve long-term outcomes for TMD pain and interference.
• The positive effects of CB intervention on TMD symptoms emerge over time, beyond 3 months.
• Cognitive-behavioral interventions may not benefit all TMD patients, particularly those with high somatization and psychosocial dysfunction.