Bruxism into three groups, namely central or pathophysiological factors, psychosocial factors and peripheral factors. The World Health Organization's International Classification of Diseases 10th revision does not have an entry called bruxism, instead listing "tooth grinding" under somatoform disorders. To describe bruxism as a purely somatoform disorder does not reflect the mainstream, modern view of this condition (see causes). The ICSD-R described three different severities of sleep bruxism, defining mild as occurring less than nightly, with no damage to teeth or psychosocial impairment; moderate as occurring nightly, with mild impairment of psychosocial functioning; and severe as occurring nightly, and with damage to
Habitual offender who commit the same crime is not an innovation. For example, New York has a persistent felony offender law that dates back to the late 19th century. These early habitual offender laws did not provide for mandatory sentencing. In Australia, various states and territories have adopted habitual offender legislation. Under the provisions of the "Habitual Criminals Act 1957" (NSW), an offender can be designated a habitual criminal and given an additional protective sentence of between five and 14 years imprisonment. The offender must be at least 25 years of age, have served sentences for at least two indictable offenses, and