Don't stop at your teeth, either. "Gently direct your brush along the gum line, and don't forget to clean your tongue and the roof of your mouth," the expert advises. "Brushing should last around two ...
"Although I always advise brushing twice a day, if you're only going to brush once, then before bed is best," says Dr Jethwa.
Plaque that grows on teeth is a complex bacterial ecosystem and becomes more damaging to teeth within hours of starting to ...