In England: NHS England at [email protected] with ‘For Attention of the complaints team’ in the subject line.
In England: As soon as practical
In England: the Parliamentary Health Ombudsman (England) by calling: 0345 015 4033 or visiting www.ombudsman.org.uk
The Care Quality Commission (CQC) who regulates private and NHS dental care services in England by calling 0300 061 6161. They can take action against a service provider that is not meeting their standards.