How to help teeth grinding - is botox the answer?

Professor Andrew Eder (UCL Eastman Dental Institute) says bruxism, or teeth grinding, is 'higher than ever and on the increase.'  Read: The Times (£), More: BBC Radio 5 live '5 live Breakfast' (56 mins 43 secs), BBC Radio Scotland 'John Beattie' (from 1 hr 14 mins 18 secs)