Should you use mouthwash? Is water flossing a fad? And which foods stain our teeth? 

Karl is joined on the Real Health podcast this week by dentist, Dr Bronagh Keane, AKA Ireland’s Tooth Fairy. 

Head to www.mypodcastfeedback.com, pop in code HEALTH and fill out the short survey to be in with the chance of winning a €500 OneforAll voucher.