“When the gaps of the teeth are tight, or the teeth are overlapping and crowded, floss is the best to remove the plaque between the teeth”
“I have seen a marked reduction in plaque through flossing in the practice,” said Dr Richard Marques, of Wimpole Street Dental in London.
Read more here: http://www.telegraph.co.uk/science/2016/08/03/dont-stop-flossing-say-british-dental-experts-despite-lack-of-ev/