There is a "myth" that you need to be registered with a dentist "in the same way that you are registered with a GP," the head of a consumer watchdog told Good Morning Britain, "but you don't."
This pervasive myth has allowed some dental practices to "deregister" patients, Anna Bradley, Chair of Healthwatch England, said, something that cannot technically happen.
Of the examples of people being "struck off" from their dental practice for missing a single appointment that the watchdog have found, in one case someone was deregistered for taking a relative for cancer care.
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Cloud and outbreaks of rain will ease away eastwards during the morning, clearing the east coast around midday with sunny spells developing.
Police and emergency services are attending the scene.
Rebel-held east remains at risk while the pumping station supplying the western part of the city is once again in operation.