Hi Paula, if there is no way you can afford private treatment, you could contact your PCT and check if there is a community dental service in your area which caters to adults with dental phobias (you can find out more here:
Special Needs and Dental Treatment ).
If you find it difficult to take the first step, there is a new e-course on a dental practice website which explains how you can move towards making an appointment. The e-course is here:
Dental Phobia and Dental Fear - Get Help at This Edinburgh Dentist
There is much information about dental phobia available on the internet now, and it can help to know that you are not alone and that there are many others in the same or a similar situation, and get mutual support

.
Wishing you all the best and I hope you'll be able to find a caring and supportive dentist real soon!