Pain Duration and Intensity Are Related to Coexisting Pain and Comorbidities Present in Temporomandibular Disorder Pain Patients.

Aims: To investigate the relationships between three pain parameters (duration, intensity, and frequency), the number of pain sites and comorbidities, and the risk of having coexisting pain and/or comorbidities in patients with temporomandibular disorder (TMD) pain.

Methods: The sample consisted of 198 outpatients attending the Dental Hospital of Chulalongkorn University. TMD pain was determined using the Diagnostic Criteria for TMD.