Table 1. Items for bruxism screening.

Items

Do you feel orofacial jaw muscle fatigue or pain on waking up? Do you have cracked or ground teeth? Do your upper and lower teeth touch when you shut your mouth? Are you ever aware of involuntarily clenching your teeth during computer working or driving? Do you have a bite scar or teeth imprints on the inner side of your cheek? Are you chronically troubled with severe stiff shoulders?Do you have a headache frequently? Do you feel stiffness in the jaw frequently? Do you experience soreness on your gums on consuming cold food?

There were four response alternatives, ranging from never to very often.