Roger Matthews, who prepared the Simplyhealth Professionals guide to GDPR in 2018, sounds a warning note to dentists. One year on from the passing of the Data Protection Act 2018, incorporating the EU’s GDPR, some may be wondering whether - like the “Millennium Bug” - it was all just a scare story. Not so. The Data Protection Network (DPN - www.dpn.org.uk - a free online resource centre) points out that 25 May 2018 was not just a hoax, but an extensive and much-needed update, backed by some serious sanctions.