By Martin Bagot Millions of people are having to take time off work because of oral health problems amid a collapse in access to NHS dentists. The Mirror is campaigning for the right to see an NHS dentist for all and our online petition was last night approaching 200,000 signatures. A national survey reveals one in ten adults in England, more than four million people, had to take off at least two weeks off in the last three years due to problems with teeth and gums. Sign our petition HERE to save NHS dentistry and make it fit for the 21st century Among younger workers aged 16 to 34 the problem…