Oral health Fact sheet N°318 http://www.who.int/mediacentre/factsheets/fs318/en/ "Oral health Fact sheet N°318" http://www.who.int/mediacentre/factsheets/fs318/en/ had at least one cavity "Oral health Fact sheet N°318" http://www.who.int/mediacentre/factsheets/fs318/en/ Oral health Fact sheet N°318 new toothpaste material could affect millions of people "Oral health Fact sheet N°318" "Oral health Fact sheet N°318" World Health Organization estimates "Oral health Fact sheet N°318" World Health Organization (WHO) World Health Organization estimates http://www.who.int/mediacentre/factsheets/fs318/en/ http://www.who.int/mediacentre/factsheets/fs318/en/ "Oral health Fact sheet N°318" http://www.who.int/mediacentre/factsheets/fs318/en/ Oral health Fact sheet N°318 World Health Organization