It's different in different parts of the country. Different rules and regs in Wales, NI, Scotland and England.
However three things spring to mind...
Firstly you just get a treatment plan and estimate for everything you need doing. And your dentist must stipulate what is private and what is NHS.
To be honest, it's very difficult to justify an NHS root cancel these days. The cost of radiographs, material, digital radiographs, hand files and rotary files, filling materials, magnifying Loupes and rubber dam. It all adds up.
Secondly dentists in Scotland commit to a one year post in the NHS after graduation in order to gain a list number to practice. There are also bursary schemes available to students, where there must stay NHS committed for a period of time. I'm
Sure other parts of the UK have similar schemes.
Finally dentists have had it tough. They SHUT US DOWN. For months. We had no income. We had to rely on minimal grants, ( that didn't even cover my mortgage, let alone my business loan). We've had two years of restrictions. This has lead to massive backlogs, and more complicated treatment.
It's been really really tough. We are still fire fighting, and trying our best to stay with heads above the water