In contrast, the psychosocially impaired group was randomly divided into those receiving customary care and those receiving a tailored intervention that integrated six sessions of cognitive-behavior therapy for chronic TMD-related pain (delivered by clinical psychologists) in addition to the customary care by dentist• specialists. The findings were much more complex for this group of TMD patients than in those showing low levels of psychosocial disability. In brief, the grade III and grade IV patients receiving the integrated care program did significantly better in terms of pain reduction and lowering of psychosocial disability, but the significant differences between them and the control group of patients receiving "treatment as usual" lasted only as long as the integrated treatment. One year after treatment, both groups were comparable in all the important study measures.