http://www.ibtimes.co.uk/should-you-wet-your-toothbrush-before-brushing-dentists-give-definitive-answer-1661999
Citação:
"Users of the social media website divided into several factions over the topic: those who stick toothpaste straight onto their dry toothbrushes; those who rinse the brush under the tap beforehand; and those who apply the paste and then wet their brushes."