Please note: Dental Protection does not maintain this article and therefore the advice given may be incorrect or out of date, and may not constitute a definitive or complete statement of the legal, regulatory and/or clinical environment. MPS accepts no responsibility for the accuracy or completeness of the advice given, in particular where the legal, regulatory and/or clinical environment has changed. Articles are not intended to constitute advice in any specific situation, and if you are a member you should contact Dental Protection for tailored advice. All implied warranties and conditions are excluded, to the maximum extent permitted by law.