We all think we know how to brush our teeth - a scrub morning and night, a rinse with water and maybe a minty mouthwash for good measure.
But according to dental experts, even the most diligent brushers might be making a few mistakes that could be undoing their good work.
Dr Praveen Sharma, from the school of dentistry at the University of Birmingham, says that half of adults in the UK will have gum disease at some point and an early sign is bleeding gums.
"If your gums are bleeding or swollen it's a sign you need to brush better," he says.
As well as regular dentist visits, here are four things he and BBC's What's Up Docs podcast hosts Dr Xand and Dr Chris van Tulleken, say many of us are currently getting wrong which if we change could improve the health of our teeth.
