Northcroft Memorial Lecture 2005: muscling in on malocclusions: current concepts on the role of muscles in the aetiology and treatment of malocclusion.

The British Orthodontic Society invites outstanding contributors from the field of Orthodontics to give the guest lecture in memory of George Northcroft. In 2005 the guest lecturer was Professor Nigel Hunt. The article that follows was presented as the Northcroft Memorial Lecture 2005 at the World Orthodontic Congress, Paris.