References
- WAERHAUG, Jens. Epidemiology of periodontal disease—review of literature, p. 181-211 (In Ramfjord, S.P., Kerr, D. A. and Ash, M. ed. Wprld Workshop in Periodontics—1966. Ann Arbor, University Michigan, c. 1966. XX + 458p.).
- RODER, D.M. and AREND, Maureen. The relation of crowded teeth to oral hygiene, gingivitis, caries and fractured teeth in South Aus+ralian children. Austral. Orthodont. J., 2:5, 188-98, Feb. 1971.
- HELM, Sven. Malocclusion in Danish children with adolescent dentition: an epidemiologic study. Am. J. Orthodont., 54:5, 352-66, May 1968.
- MILLS, L. F. Epidemiologic studies of occlusion. IV. The prevalence of malocclusion in a population of 1,455 school children. J. Dent. Res., 45:2, 332-6, Apr. 1966.
- GREWE, J. M., CERVENKA, Jaroslav, SHAPIRO, B.L. and WITKOP, C. J. Prevalence of malocclusion In Chippewa Indian children. J. Dent. Res., 47:2, 302-5, Mar.-Apr. 1968.
- SUMMERS, C. J. A system for identifying and scoring occlusal disorders: tne occlusal index. Ann Arbor, University Michigan, School Public Health, 1966. XIII + I36p.
- KAUFMAN, A. and KOYOUMDJISKY, Edith. Normal occlusal patterns in the deciduous dentition in preschool children in Israel. J. Dent. Res., 46:3, 478-82 May-June 1967.
- DAVIES, G. N. Dental conditions among the Polynesians of Pukapuka (Danger Island). I. General background and the prevalence of malocclusion. J. Dent. Res., 35:1, 115-31, Feb. 1956.
- FISK, R. O. When malocclusion concerns the public. J. Cant. Dent., 26:7, 397-412, July I960.
- GOOSE, D. H., THOMSON, D. G. and WINTER, F. C. Malocclusion in school children of the West Midlands. Brit. Dent. J., 102:5, 174-8, Mar. 5, 1957.
- HUMPHREYS, H. F. and LEIGHTON, B. C. A survey of antero-posterior abnormalities of the jaws in children between the ages of two and five and a half years of age. Brit. Dent. J., 88:1, 3-15, Jan. 6, 1950.
- MUNBLATT, M. A. Statistical study of dental occlusion in children. Dent. Items Interest, 65:1, 43-63, Jan. 1943.
- GOULD, M. S. E. and P1CTON, D. C. A. The relation between irregularities of the teeth and periodontal disease: a pilot study. Brit. Dent. J., 121:1, 20-3, July 5, 1V66. -
- McCOMBIE, F. and STOTHARD, D., Relationships between gingivitis and other dental conditions. J. Can. Dent., 30:8, 506-13, Aug. 1964.
- POULTON, D. R. and AARONSON, S. A. The relationship between occlusion and periodontal status. Am. J. Orthodont., 47:9, 690-9, Sept. 1961.
- DITTO, W. M. and HALL, D. L. A survey of 143 periodontal cases in terms of age and malocclusion. Am. J. Orthodont., 40:3, 234, Mar. 1954.
- EMSLIE, R. D. Incisal relationship and periodontal disease. Dent. Abstr., 3:11, 652, Nov. 1958 (orig. article unavailable).
- GEIGER, A. _M. Occlusal studies in 188 consecutive cases of periodontal disease. Am. J. Orthodont., 48:5, 330-60, May 1962.
- HELLGREN, Allen. On the relationship between some occlusal characteristics and periodontal disease. Tr. Eur. Orthodont. Soc., p .221-34, 1954.
- GREENE, J. C. J. Periodont., 38:6, 767, 1967.
- ALEXANDER, A. G. and T1PNIS, A. K. The effect of Irregularity of teeth and the degree of overbite and overjet on the gingival health: a study of 400 subjects. Brit. Dent. J., 128:11, 539-44, June 2, 1970.
- SANJANA, M. K., MEHTA, F. S. DOCTOR, R. H. and SHROFF, B. C. Overbite, overjet and periodontal disease of the central incisors amongst Indian male children and their correlationship. J. All-India Dent. Ass., 29:7, 147-52, July 1957.
- ADLER, P. The incidence of dental caries in adolescents with different occlusion. J. Dent. Res., 35:3, 344-9, June 1956.
- EICHENBAUM, I. W. A. A correlation of traumatized anterior teeth to occlusion. J. Dent. Child., 30:4, 229-36, 4th Quar., 1963.
- GLUCKSMAN, D. D. Fractured permanent anterior teeth complicating orthodontic treatment. Am. Dent. J., 28:12, 1941-3, Dec. 1941’.
- HALLETT, G. E. M. Problems of common interest to the paedodontist and orthodontist with special reference to traumatized incisor cases. Tr. Eur. Orthodont. Soc., p.226-7, 1953.
- HARDWICKE, J. L. and NEWMAN, P. A. Some observations on the incidence and emergency treatment of fractured permanent anterior teeth in children. J. Dent. Res., 33:5. 730, Oct. 1954.
- LEWIS, T. E. Incidence of fractured anterior teeth as related to their protrusion. Angle Orthodont., 29:2, 128-31, Apr. 1959.
- SWEET, C. A. Fractured anterior permanent teeth. Am. Dent. J., 29:1, 97-9, Jan. 1942. Odont. Scandinav., 22:1, 27-41, Feb. 1964.
- BJÖRK, A., KREBS, A. A. and SOLOW, B. A method for spidemiological registration of malocclusion. Acta
- SPIEGEL, M. R. Theory and problems of statistics. New York, Schaum, c. 1961’, 359p.
- BLISS, C. I. Statistics in biology. New York, McGraw- Hill, c. 1967. XIV + 558p. (p.8!-3).