Bruxism of bruxism. Examples include the "Bruxcore Bruxism-Monitoring Device" (BBMD, "Bruxcore Plate"), the "intra-splint force detector" (ISFD), and electromyographic devices to measure masseter or temporalis muscle activity (e.g. the "BiteStrip", and the "Grindcare"). The ICSD-R listed diagnostic criteria for sleep bruxism. The minimal criteria include both of the following: With the following criteria supporting the diagnosis: "Bruxism" is derived from the Greek word ("brykein") "to bite, "or" to gnash, grind the teeth". People who suffer from bruxism are called "bruxists" or "bruxers" and the verb itself is "to brux". There is no widely accepted definition of bruxism. Examples of definitions include:
Bruxism in research declined from over 60% of publications in the period 1966–86 to about 10% in the period 1997–2007. In the 1960s, a periodontist named Sigurd Peder Ramfjord championed the theory that occlusal factors were responsible for bruxism. Generations of dentists were educated by this ideology in the prominent textbook on occlusion of the time, however therapy centered around removal of occlusal interference remained unsatisfactory. The belief among dentists that occlusion and bruxism are strongly related is still widespread, however the majority of researchers now disfavor malocclusion as the main etiologic factor in favor of a more multifactorial, biopsychosocial model