A lot of people who take drugs and misuse alcohol dont look after their teeth properly...
You should brush your teeth thoroughly twice a day and limit sugary food. Make sure you use a toothbrush that is suitable and not too hard as this may danmage your gums.
To find a dentist in Greenwich look on the NHS choices website or click here
You can also contact the PALS or Patient Advice and Liaison Service in Greenwich on: 0800 169 9928.
Homeless people can also access a dentist, just take proof that you are recieving benefits to a surgery and they should be able to make an appointment for you.
Meeting a dentist in Greenwich is much easier than you think.