1- Lawrie, D.: The design and construction of Frânkel function correctors, 47 th Congress European Orthodontic Society, 1971.
2- Graber, T.M., Neumann, B.: Removable Orthodontic Appliances "Chapter 16" 520, 573, 1984, 2nd Edition.
3- Frânkel, ft; A functional approach to orofacial orthopaedics, Br.J. Orthod, 7:41-51, 1980.
4- Moss, M.L.: The differantial roles of periosteal and capsular functional matrices in oro-facial growth, Trans. Eur. Orthod. Soc. 192-206, 1970.
5- Frânkel, ft; The theoretical concept underlying the treatment with function correctors, Trans. Eur. Orthod. Soc. 233-249, 1966.
6- Gould, M.S.E., Picton, D.C.A.: Sub-atmospheric pressures and forces recorded from the labio-buccal surfaces of teeth during swallowing in adult males. Br. J.Orthod. 2:121-125, 1975.
7- Profüt, W. ft; Equilibirum theory revisited: factors in influencing position of the teeth. Angle Orthod.. 48: 125¬186, 1978.
8- Frânkel, ft; Decrowding during eruption under the screening influence of vestibular shields. Am. J. Orthod. 65:372-406,1974.
9- Frânkel, ft; The guidance of eruption without extraction. Trans. Eur. Orthod. Sog. 303-315, 1971.
10- Frânkel, ft; Lip seal training in the treatment of skeletal open-bite. Eur. J. Orthod. 2:219-228, 1980.
11- Brieden, C, Valmy, P.K., Kulbersh, ft; Maxillary skeletal and dental change with Frânkel appliance therapy. Angle Orthod. 54:226-232, 1984.
12- Frânkel, ft ; Technik and Handhabung der Funkti-onsregler. Berlin, VEB Verlag Volk und Gesundheit, 1973.
13- MecNamara, J.A., Huge, S.A.: The Frânkel appliance (FR-2). Am. J. Orthod, 80:478-495, 1981.
14- McNamara, J.A., Huge, S.A.: The functional regulator (FR-3) of Frânkel. Am. J. Orthod. 88:409-424, 1985.
15- Frânkel, ft, Frânkel, C.:A functional approach to treatment of skeletal open - bite. Am. J. Orthod. 84:54¬68,1983.
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