There is insufficient evidence to make firm recommendations for the use of CBT over other intervention for the treatment of TMD .
Cognitive-behavioural therapy ( CBT ) and its effects on  temporom and ibular disorders ( TMD ) have been examined in several studies .
We are trying to combine results of these studies and to explore the effectiveness .
The Relative Efficacy of Three Cognitive-Behavioral Treatment Approaches to Temporomandibular Disorders
The purpose of this study was to evaluate the relative efficacy of different biopsychosocial treatment conditions on patients with chronic temporom and ibular disorder . Ninety-four patients with chronic temporom and ibular disorder were assigned to either a biofeedback treatment group , a cognitive-behavioral skills training ( CBST ) treatment group , a combined ( combination of biofeedback/CBST ) treatment group , or a no-treatment control group .  Pain scores were analyzed pretreatment and posttreatment to determine group and within-subjects treatment effects . Results demonstrated that , in terms of a self-reported pain score , all three treatment groups had significantly decreased pain scores from pretreatment to posttreatment , while the no-treatment group did not . Moreover , patients in the biofeedback group were the most significantly improved compared to the no-treatment group . Finally , participants in the three treatment groups displayed significant improvement in mood states
There is insufficient evidence to make firm recommendations for the use of CBT over other intervention for the treatment of TMD .
Cognitive-behavioural therapy ( CBT ) and its effects on  temporom and ibular disorders ( TMD ) have been examined in several studies .
We are trying to combine results of these studies and to explore the effectiveness .