Dreyer, C.J. : The stability of the dentition and the integrity of its supporting structures. Am. J. Orthod.58: 433, 1970.
2.
Perry, H.T.: Relation of occlusion to temporomandibular joint dysfunction: The orthodontic viewpoint. J. Am. Dent. Assoc.79: 137, 1969.
3.
Orthodontics —Challenging Dental Career. St. Louis , American Association of Orthodontics.
4.
Graber, T.M.: Orthodontics: Principles and Practice, 3rd ed. Philaclelphia, Saunders, 1972, pp. 258-261.
5.
Ibid., p. 363.
6.
Kelly, J.E., Sanches, M., and Van Kirk, L.E.: An Assessment of the Occlusion of the Teeth of Children. U.S. Department of Health, Education, and Welfare Publication No. (HRA) 74-1612. Washington, D.C.U.S. Govemment Printing Office, 1974, p. 8.
7.
Haryett, R.D. , Hansen, F.C., and Davidson , P.O.: Chronic thumb-sucking: A second report on treatment and its psychological effects . Am. J. Orthod.57: 164, 1970.
8.
Norton, L.A. , and Gellin, M.E.: Management of digital sucking and tongue thrusting in children. Dent. Clin. North Am. p. 363, 1968,
9.
First roentgenographic cephalometric workshop. Am. J. Orthod.44: 899, 1958.
10.
Moyers, R.E. : Handbook of Orthodontics for the Dental Student and General Practitioner, 3rd ed. Chicago, Year Book Medical Publishers, 1973, pp. 306-310.
11.
Sicher, H., and Bhaskar, S. N., Eds.: Orban's Oral Histology and Embryology , 7th ed. St. Louis, C. V. Mosby, 1972, p. 182.