'I spotted cancer in my healthy husband's mouth - a 30-second mouth check could save your life'
A dentist's personal experience has turned her into an advocate for self-screening
A dentist's personal experience has turned her into an advocate for self-screening
Customers have been told to stop using the product 'immediately' and return it to the supermarket
Those who own the affected items have been urged to stop wearing them, package them up away from children, and return them