Dentists do have the right to refuse to see particular patients, NHS England's Chief Dental Officer told Good Morning Britain.
Dr Barry Cockcroft said "there's no absolute right to see a specific dentist."
Consumer watchdog Healthwatch have found examples of patients getting "deregistered" from their dental practices for missing single appointments, in one case to take a relative for cancer treatment.
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Commuters were also warned to expect travel chaos as Doris gathered speeds of nearly 90mph.
A man with 62 penalty points on his licence is among thousands of motorists allowed to drive despite exceeding the limit warranting a ban.
Storm Doris is set to bring severe weather across much of the UK on Thursday as heavy rain and strong winds push in from the west.