1 clenching your jaw or grinding your teeth during sleep (bruxism) â which overworks the jaw muscles and puts pressure on the joint (often caused by stress) 2  wear and tear of the inside of the jaw joint â usually caused by osteoarthritis.  injury to the jaw joint â for example, after a blow to the face or surgery.
Mobile Phone Offences. It is a specific offence to use a handâheld phone or similar device, when driving. Most offences will be dealt with by way of 3 penalty points and a Â£60 Fixed Penalty Notice but if the matter proceeds to a Court hearing, the fine can be as much as Â£1,000 or Â£2,500 if you were driving a bus, coach or any heavy goods vehicle.
Mobile phone use while driving is common, but widely considered dangerous due to distracted driving. Due to the number of accidents that are related to cell phone use while driving, some jurisdictions have made the use of a cell phone while driving illegal.Many have enacted laws to ban handheld mobile phone use, but allow use of a handsfree device.he report doesn't state whether this under or over represents the level of cell phone use amongst drivers, and whether there is a causal relationship. A 2003 study of US crash data states that driver inattention is estimated to be a factor in 20% to 50% of all police-reported crashes.