References
- Consultant Orthodontists Group (1991) The results of the 1991 COG survey of treated and discontinued cases, Distributed by the Consultant Orthodontists Group.
- Cousins, A. J. P., Lewis, H. G. and Viader, P. H. J. (1981) Changes in orthodontic treatment within one practice over a 15-year period, British Journal of Orthodontics, 8, 11–14.
- DHSS (1986) Report of the Committee of Enquiry into Unnecessary Treatment HMSO, London.
- Haynes, S. (1982) Discontinuation of orthodontic treatment in the General Dental Services in England and Wales, British Dental Journal, 152, 127–129.
- Myrberg, N. and Thilander, B. (1973) An evaluation of the duration and results of orthodontic treatment, Scandinavian Journal of Dental Research, 81, 85–91.
- Richmond, S., Shaw, W. C., O'Brien, K. D., Buchanan, I. B., Jones, R., Stephens, C. D., Roberts, C. T. and Andrews, M. (1992a) The development of the PAR Index (Peer Assessment Rating): reliability and validity, European Journal of Orthodontics, 14, 125–139.
- Richmond, S., Shaw, W. C., Roberts, C. T., and Andrews, M. (1992b) The PAR Index (Peer Assessment Rating): methods to determine outcome of orthodontic treatment in terms of improvement and students, European Journal of Orthodontics, 14, 180–187.
- Richmond, S., Andrews, M. and Roberts, C. T. (1993a) The provision of orthodontic care in the General Dental Services of England and Wales: extraction patterns, treatment duration and standards, British Journal of Orthodontics, 20, 345–350.
- Richmond, S., Shaw, W. C., Stephens, C. D., Webb, W. G., Roberts, C. T. and Andrews, M. (1993b) Orthodontics in the General Dental Services of England and Wales: a critical assessment of standards, British Dental Journal, 174, 315–329.
- Rose, J. S. (1974) A thousand consecutively treated orthodontic cases: a survey, British Journal of Orthodontics, 1, 45–54.