Bruxism Bruxism Bruxism is excessive teeth grinding or jaw clenching. It is an oral parafunctional activity; i.e., it is unrelated to normal function such as eating or talking. Bruxism is a common behavior; reports of prevalence range from 8–31% in the general population. Several symptoms are commonly associated with bruxism, including hypersensitive teeth, aching jaw muscles, headaches, tooth wear, and damage to dental restorations (e.g. crowns and fillings) to teeth. But symptoms may be minimal, without patient awareness of the condition. There are two main types of bruxism: one occurs during sleep (nocturnal bruxism) and one during wakefulness (awake bruxism). Dental
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