1. Steele J G, Sheiham A, Marcenes W, Walls A W G . National diet and nutrition survey: people aged 65 years and over volume 2. Report of the oral health survey. London: TSO, 1998.
2. Kelly M, Steele J G, Nuttall N et al. Adult dental health survey: oral health in the United Kingdom 1998. London: TSO, 2000.
3. Smith J M, Sheiham A . How dental conditions handicap the elderly. Community Dent Oral Epidemiol 1979; 7: 305–310.
4. Locker D . The burden of oral disorders in a population of older adults. Community Dent Health 1992; 9: 109–124.
5. Fiske J . Over the threshold: domiciliary dental care. Talking Points for Dental Hygienists 1992; issue 8: 4–5.