title: We feel obliged to clarify some of the issues raised in Aubrey Sheiham's editorial.
authors.forename: Nigel
authors.initials: N
authors.lastname: Pitts
authors.forename: Jacqueline
authors.initials: J
authors.lastname: Rainsbury
mesh_terms: D001071:Appointments and Schedules; D003729:Dental Care / Q000706:statistics & numerical data*; D017408:Guidelines as Topic; D006801:Humans; D013997:Time Factors; D006113:United Kingdom