The following letter is part of a group in response to an Opinion article 'Cause for concern: BDA v GDC' published in the BDJ on 25 May 2018 (https://www.nature.com/articles/sj.bdj.2018.358).

Sir, most dentists would support Dr Baker's appeal1 for mutual respect between representative bodies and the need for standards of conduct, especially for medical and dental practitioners. He concludes: 'In my lifetime regulation has changed from lose minimalism to rigid direction'.

However, I hope he accepts that standards need to be agreed and the more restrictive they are, the greater the risk for scientific progress.