The authors and contributors to the launch of the Lancet series on Oral Health, which took place on Wednesday 24th of July 2019 at UCL, School of Law, Euston, London, UK. Professor Blánaid Daly (School of Dental Science, TCD & Dublin Dental University Hospital) a co-author on the series presented at the launch event. The series content is available to read for free (with registration to TheLancet.com, also free) at: www.thelancet.com/series/oral-health. See also twitter feed on #GlobalOralHealth