National health service
NHS stands for the National Health Service, which is the publicly funded healthcare system in the United Kingdom. A dental career in the NHS refers to working as a dentist or other dental healthcare professional within the NHS, providing dental services to patients under the NHS framework. This typically involves delivering dental care to eligible patients, following NHS treatment guidelines and fee structures.
There is a career in dental website marketing. In order to make the career worthwhile, one has to be able to get the right leads and have the resources and expertise.
Your career is that of a dental assistant, or (although less specific) the field of allied health professions.
NHS would be your best bet Ask for a HC form- you may be entitled to reduced treatment or free treatment.
IF your problem is severe enough to qualify for NHS treatment, it's considered complex dental treatment in the pricing scale. #200 I believe.
All treatment that is clinically necessary is available on NHS. Dental implants and even braces are covered but only if there is a medical need for them. NHS does not include cosmetic treatment so the implant must be essential to preserve good oral health.
There are lots of places online where someone can find information on dental cleaning. Some of these places are: Humana, NHS Choices, Youtube and Wikipedia.
Dental care typically pays better. This differs by region however.
If you're a resident UK citizen - yes. If you're visiting the UK - no - you would be expected to pay for treatment if your holiday insurance didn't cover it !
This is a great career, Dental assistants are in very high demand. The average wage in the US. was $31,550 last year.
You can find information about career training for a dental assistant on the following website: http://dentalassistant.net/find-schools/advanced-career-training/. They have a lot of useful information.
What career changes for dental assistants took place over four generations? 
It takes two to four years to have a career as a dental hygienist. To obtain a master's degree in this feild, it takes up to six years.