Begg PR. Differential force in orthodontic treatment. Am J Orthod 1956; 42: 481–510.Search in Google Scholar
Hilgers JJ. Bios: a bracket evolution, a systems revolution, Clin Impress 1996; 5: 8–14.Search in Google Scholar
Hanson GH. The SPEED system: a report on the development of a new Edgewise appliance. J Clin Orthod 1986; 10: 183–9.Search in Google Scholar
Matasa CG. Direct bonding metallic brackets: where are they heading? Am J Othod 1992; 102: 552–60.Search in Google Scholar
Kesling PC. Expanding the horizons of the Edgewise archwire slot. Am J Orthod 1988; 94: 26–37.Search in Google Scholar
Andreiko C. Iterviews on the Elan and Orthos System. J Clin Orthod 1994; 28: 495.Search in Google Scholar
Hilgers JJ. Bioprogressive simplified. Part III: non-extraction therapy. J Clin Orthod 1987; 21: 794–804.Search in Google Scholar
Cannon J. The concept of preadjusted brackets revisited. Lancer J 1986; 1: 4–6.Search in Google Scholar
Roth RN. Treatment mechanics for the straight-wire appliance. In Graber TM, Vanarsdall Jr RL eds, Orthodontics: current principles and techniques 2nd edn. CV Mosby Co: St Louis, 1994.Search in Google Scholar
Andrews LF. The straight-wire appliance. J Clin Orthod. 1976; 10: 99-114, 174-95, 360–79.Search in Google Scholar
Sved A. Principles and technique of modified Edgewise arch mechanism. Am J Orthod Oral Surg 1938; 24: 635–54.Search in Google Scholar
Lundstrom A. Asymmetries in the number and size of the teeth and their aetiological significance. Trans Eur Orthod Soc 1960; 167–86.Search in Google Scholar
Moorrees CF, Reed RB. Correlations among crown diameters of human teeth. Arch Oral Biol 1964; 9: 685.Search in Google Scholar
Garn SM, Lewis AB, Walengra AJ. Maximum confidence values for the mesiodistal crown dimension of human teeth. Arch Oral Biol 1968; 13: 841–4.Search in Google Scholar
Kittibipul P, Godfrey K. In vitro shearing force testing of the Australian zirconia-based ceramic Begg bracket. Am J Orthod Dentofac Orthop 1995; 108: 308–15.Search in Google Scholar
Fricker J, ed. Orthodontics and dentofacial orthopaedics. Tidbinbilla Pty Ltd: Canberra, 1998; 490.Search in Google Scholar