Examining the effectiveness of different dental recall strategies on maintenance of optimum oral health: the INTERVAL dental recalls randomised controlled trial

Jan Clarkson, Nigel Pitts, Patrick A Fee, Beatriz Goulão, Dwayne Boyers, Craig Ramsay, Ruth Floate, Hazel J Braid, Fiona Ord, Helen V Worthington, Marjon van der Pol, Linda Young, Ruth Freeman, Jill Gouick, Gerry Humphris, Fiona E. Mitchell, Alison McDonald, John Norrie, Kirsty Sim, Gail Douglas, David Ricketts