References
- AINAMO,J., BARMES,D., BEAGRIE,G., CUTRESS,T., MARTIN,J., and SARDO-INFERRI,J. (1982) Development of the World Health Organization Community Periodontal Index of treatment needs Int.Dent.J.32:28l-291
- GETTINGER,G., PATTERS,MR., TESTA,A.M., LÖE,H. and AURUD,A. (1983) The use of six selected teeth in population measures of periodontal status J.Periodontol 54:155-159
- JAMISON,H.G. (1963) Some comparisons of two methods of assessing periodontal disease Am.J.Pub.Health 53:1102
- KENNEDY,D.B., JOONDEPH,D.R., OSTERBERG,S.K. and LITTLE,R.M. (1983) The effect of extraction and orthodontic treatment on dentoalveolar support Am.J.Orthod 84:183-190
- LINDHE,J. (1983): Textbook of clinical periodontology Munksgaar, Copenhagen pp.298-308
- PRICHARD,J.F. (1975) The effect of bicuspid extraction orthodontics on the periodontium J.Periodontal 46:534-542
- PRITCHARD,J.R. and LAWS,A.J. (1984) Gingival crevice depth. 1. Predictability of probing deepest points Aust.Dent.J. 29:404-410
- RAMFJORD S.P. (1974) Design of studies or clinical traits to evaluate the effectiveness of agents or procedures for the prevention or treatment of loss of the periodontium J. Periodont.Res. (Suppl. 14) 9:78-93
- SADOWSKY,C. and BEGOLE,E.A. (1981) Long-term effects of orthodontic treatment on periodontal health Am.J.Orthod. 80:156-172
- STAPLES,G., FREER,T.J. and BASFORD,K.E. (1987) The periodontal health of post orthodontic subjects Aust.Orthod.J. 10(2):104-108