Diet and dental caries, A.J.Rugg-Gunn; fluorides and dental caries, M.N.Naylor and J.J.Murray; oral cleanliness and dental caries, P.Sutcliffe; fissure sealants, P.H.Gordon; the early carious lesion in enamel, Edwina Kidd; prevention of caries - immunology and vaccination, W.M.Edgar; dental caries - a genetic disease?, J.J.Murray; prevention in the ageing dentition, A.W.G.Walls; the prevention and control of chronic periodontal disease, W.W.M.Jenkins; social factors and preventive dentistry, J.F.Beal; role of dental health education in preventive dentistry, F.P.Ashley; handicap in perspective, June H.Nunn; preventive orthodontics, J.R.E.Mills; the changing pattern of dental disease, J.J.Murray; resources, treatment and prevention, J.J.Murray.