Bruxism damage, and sometimes a crown can be perforated by occlusal wear. Occlusal splints (also termed dental guards) are commonly prescribed, mainly by dentists and dental specialists, as a treatment for bruxism. Proponents of their use claim many benefits, however when the evidence is critically examined in systematic reviews of the topic, it is reported that there is insufficient evidence to show that occlusal splints are effective for sleep bruxism. Furthermore, occlusal splints are probably ineffective for awake bruxism, since they tend to be worn only during sleep. However, occlusal splints may be of some benefit in reducing the tooth wear
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