Abstract
It is known that sleep associated bruxism is an oral habit during sleep, and it seems to affect periodontal diseases, excessive wear of the teeth and temporomandibular disorders. It is necessary to comprehend the phenomena of bruxism in order to treat it. But there are still many unclear points on the detail. The purpose of this paper is to review the researching problem and methodology of the bruxism refered mainly to our studies. The following 5 items were described in this paper, 1. what is bruxism, 2. the measurement problem of bruxism, 3. the analyzing problem of bruxism, 4. the clinical problem of bruxism, 55 future prospect of bruxism.
