1. Faculty of General Dental Practitioners (UK) Working Party. Selection criteria for dental radiography. Faculty of General Dental Practitioners (UK) The Royal College of Surgeons of England, 1998.
2. Nunn J, Crawford P, Page J, Winter G . British Society of Paediatric Dentistry: A policy document on the dental needs of children. Int J Paediat Dent 1997; 7: 203– 207.
3. Scottish Intercollegiate Guideline Network 47. Preventing caries in children at high risk. Edinburgh, 2000.
4. Kidd EAM, Pitts NB . A reappraisal of the value of the bitewing radiograph in the diagnosis of posterior approximal caries. Br Dent J 1990; 169: 195– 200.
5. Creanor SL, Russell JI, Strang DM, Stephen KW, Burchell CK . The prevalence of clinically undetected occlusal dentine caries in Scottish adolescents. Br Dent J 1990; 169: 126– 129.