To examine the effects of stress, bruxism, malocclusion, and oral habits on incidence temporomandibular disorders (TMDs) using a classification tree method (CTM). We obtained data from total 1.338 patients: 669 who had TMDs but haven’t TMDs. recorded interview stress habits, during examination, noted malocclusions, any sign poor habits. All were subjected to CTM analyses. The TMD rate was highe...