Journal of Prosthetic Dentistry
Volume 86, Issue 2 , Pages 137-142 , August 2001

Magnets in prosthetic dentistry

References 

  1. Blechman AM, Smiley H. Magnetic force in orthodontics. Am J Orthod. 1978;74:435–443
  2. Springate SD, Sandler PJ. Micromagnetic retainers: an attractive solution to fixed retention. Br J Orthod. 1991;18:139–141
  3. Sagawa M, Furimura S, Togowa N, Yamatoto H, Matsuura Y. New material for permanent magnets on a base of Nd and Fe. J Appl Phys. 1984;55:2083–2087
  4. Croat JJ, Herbst JF, Lee RW, Pinkerton FE. Pr-Fe and Nd-Fe-based materials: a new class of high-performance permanent magnets (invited). J Appl Phys. 1984;55:2078–2082
  5. Strnat KJ. The hard magnetic properties of rare earth-transition metal alloys. IEEE Trans Magn. 1972;8:511–516
  6. Tawara Y, Strnat KJ. Rare earth-cobalt permanent magnets near the 2-17 composition. IEEE Trans Magn. 1976;12:954–958
  7. Jiles D. An introduction to magnetism and magnetic materials. In: 2nd ed. London: Chapman and Hall; 1988;p. 3–16 44-48, 89-102, 363-93
  8. Harris IR. Hard magnets. Mater Sci Tech. 1990;6:962–966
  9. Harris IR, Williams AJ. The attractions of rare earth magnets. Mater World. 1999;7:478–481
  10. Basker RM, Harrison A, Ralph JP. Overdentures in general practice. Part 5—the use of copings and attachments. Br Dent J. 1983;155:9–13
  11. Riley MA, Williams AJ, Speight JD, Walmsley AD, Harris IR. Investigations into the failure of dental magnets. Int J Prosthodont. 1999;12:249–254
  12. Wirz J, Lopez S, Schmidli F. Magnetverankerungen auf implanten. Teil 2: korrosionsverhalten. Quintessenz. 1993;44:737–749
  13. Behrman SJ. The implantation of magnets in the jaw to aid denture retention. J Prosthet Dent. 1960;10:807–841
  14. Behrman SJ. Magnets implanted in the mandible: aid to denture retention. J Am Dent Assoc. 1964;68:206–215
  15. Wirz J, Lopez S. Magnetverankerungen auf implanten. Teil 1: bestandesaufnahme. Quintessenz. 1993;44:579–588
  16. Freedman H. Magnets to stabilize dentures. J Am Dent Assoc. 1953;47:288
  17. Winkler S, Pearson MH. The effectiveness of embedded magnets in complete dentures during speech and mastication: a cineradiographic study. Dent Dig. 1967;73:118–119 passim
  18. Toto PD, Choukas NC, Abati A. Reaction of bone to a magnetic implant. J Dent Res. 1963;42:643–652
  19. Connor RJ, Svare CW. Proplast-coated high-strength magnets as potential denture stabilization devices. J Prosthet Dent. 1977;37:339–343
  20. Thompson IM. Magnetism as an aid to a prosthetic problem. Br J Oral Surg. 1964;2:44–46
  21. Moghadam BK, Skandrett FR. Magnetic retention for overdentures. J Prosthet Dent. 1979;41:26–29
  22. Maroso DJ, Tischler P, Schmidt JR. A simplified technique for magnetic retention of overdentures. J Prosthet Dent. 1984;51:599–601
  23. Cerny R. The reaction of dental tissues to magnetic fields. Aust Dent J. 1980;25:264–268
  24. Altay OT, Kutkam T, Koseoglu O, Tanyeri S. The biological effects of implanted magnetic fields on the bone tissue of dogs. Int J Oral Maxillofac Implants. 1991;6:345–349
  25. Bondemark L, Kurol J, Wennberg A. Biocompatibility of new, clinically used, and recycled orthodontic samarium-cobalt magnets. Am J Orthod Dentofacial Orthop. 1994;105:568–574
  26. Bondemark L, Kurol J, Larsson A. Human dental pulp and gingival tissue after static magnetic field exposure. Eur J Orthod. 1995;17:85–91
  27. Bondemark L, Kurol J, Larsson A. Long-term effects of orthodontic magnets on human buccal mucosa—a clinical, histological and immunohistochemical study. Eur J Orthod. 1998;20:211–218
  28. Bondemark L, Kurol J, Wennberg A. Orthodontic rare earth magnets—in vitro assessment of cytotoxicity. Br J Orthod. 1994;21:335–341
  29. Linder-Aronson S, Lindskog S, Rygh P. Orthodontic magnets: effects on gingival epithelium and alveolar bone in monkeys. Eur J Orthod. 1992;14:255–263
  30. Linder-Aronson S, Lindskog S. A morphometric study of bone surfaces and skin reactions after stimulation with static magnetic fields in rats. Am J Orthod Dentofacial Orthop. 1991;99:44–48
  31. Camilleri S, McDonald F. Static magnetic field effects on the sagittal suture in Rattus norvegicus. Am J Orthod Dentofacial Orthop. 1993;103:240–246
  32. Saygili G, Aydinlik E, Ercan MT, Naldoken S, Ulutuncel N. Investigation of the effect of magnetic retention systems used in prostheses on buccal mucosal blood flow. Int J Prosthodont. 1992;5:326–332
  33. Donohue VE, McDonald F, Evans R. In vitro cytotoxicity testing of neodymium-iron-boron magnets. J Appl Biomater. 1995;6:69–74
  34. Sasaki H, Kinouchi Y, Tsutsui H, Yoshida Y, Ushita T. Applications of samarium cobalt magnets to dentistry. In: Proceedings of the 4th International Conference on Rare Earth Magnets and their Applications. Hakone, Japan. May 1979;
  35. Kinouchi Y, Ushita T, Tsutsui H, Yoshida Y, Sasaki H, Miyazaki T. Pd-Co dental casting ferromagnetic alloys. J Dent Res. 1981;60:50–58
  36. Vrijhoef MM, Mezger PR, Van der Zell JM, Greener EH. Corrosion of ferromagnetic alloys used for magnetic retention of overdentures. J Dent Res. 1987;66:1456–1459
  37. Okuno O, Nakano T, Hamanaka H, Kinouchi Y. Encapsulated sandwich type dental magnetic retainers by NdFeB magnet and permandur yoke. In: Proceedings of the 10th International Workshop on Rare Earth Magnets and Applications. Kyoto, Japan. May 1989;
  38. Tanaka Y, Hiranuma K, Iwama Y, Honkura Y. Sealed dental magnetic attachment developed by three-dimensional magnetic analysis. In: Proceedings of the 10th International Workshop on Rare Earth Magnets and Applications. Kyoto, Japan. May 1989;
  39. Wang NH, von der Lehr WN. The direct and indirect techniques of making magnetically retained overdentures. J Prosthet Dent. 1991;65:112–117
  40. Smith GA, Laird WR, Grant AA. Magnetic retention units for overdentures. J Oral Rehabil. 1983;10:481–488
  41. Highton R, Caputo AA, Matyas J. Retentive and stress characteristics for a magnetically retained partial overdenture. J Oral Rehabil. 1986;13:443–450
  42. Akaltan F, Can G. Retentive characteristics of different dental magnetic systems. J Prosthet Dent. 1995;74:422–427
  43. Gillings BR. Magnetic retention for complete and partial overdentures. Part I. J Prosthet Dent. 1981;45:484–491
  44. Laird WR, Grant AA, Smith GA. The use of magnetic forces in prosthetic dentistry. J Dent. 1981;9:328–335
  45. Jackson TR, Healey KW. Rare earth magnetic attachments: the state of the art in removable prosthodontics. Quintessence Int. 1987;18:41–51
  46. Riley MA. The use of magnets in biomedical applications [PhD thesis]. Birmingham: The University of Birmingham; 2000;
  47. Gillings BR. Magnetic retention for overdentures. Part II. J Prosthet Dent. 1983;49:607–618
  48. Gillings BR. Magnetic denture retention systems: inexpensive and efficient. Int Dent J. 1984;34:184–197
  49. Kroone HB, Bates JF. Overdentures with magnetic retainers. Br Dent J. 1982;152:310–313
  50. Jonkman RE, Van Waas MA, Kalk W. Satisfaction with complete intermediate dentures and complete intermediate overdentures. A 1-year study. J Oral Rehabil. 1995;22:791–796
  51. Jackson TR. The application of rare earth magnetic retention to osseointegrated implants. Int J Oral Maxillofac Implants. 1986;1:81–92
  52. Carlyle LW, Duncan JM, Richardson JT, Garcia L. Magnetically retained implant denture. J Prosthet Dent. 1986;56:583–586
  53. Walmsley AD, Brady CL, Smith PL, Frame JW. Magnet-retained overdentures using the Astra dental implant system. Br Dent J. 1993;174:399–404
  54. Burns DR, Unger JW, Elswick RK, Beck DA. Prospective clinical evaluation of mandibular implant overdentures: part I. Retention, stability, and tissue response. J Prosthet Dent. 1995;73:354–363
  55. Burns DR, Unger JW, Elswick RK, Gigilo JA. Prospective clinical evaluation of mandibular implant overdentures. Part II. Patient satisfaction and preference. J Prosthet Dent. 1995;73:364–369
  56. Chan MF, Johnston C, Howel RA, Cawood JI. Prosthetic management of the atrophic mandible using endosseous implants and overdentures: a six-year review. Br Dent J. 1995;179:329–337
  57. van Waas MAJ, Kalk W, van Zetten BL, van Os JH. Treatment results with immediate overdentures: an evaluation of 4.5 years. J Prosthet Dent. 1996;76:153–157
  58. Naert I, Gizani S, Vuylsteke M, van Steenberghe D. A 5-year prospective randomized clinical trial on the influence of splinted and unsplinted oral implants retaining a mandibular overdenture: prosthetic aspects and patient satisfaction. J Oral Rehabil. 1999;26:195–202
  59. Davis DM. Implant supported overdentures—the King's experience. J Dent. 1997;25(Suppl 1):S33–S37
  60. Walmsley AD, Frame JW. Implant supported overdentures—the Birmingham experience. J Dent. 1997;25(Suppl 1):543–547
  61. Angelini E, Pezzoli M, Zucchi F. Corrosion under static and dynamic conditions of alloys used for magnetic retention in dentistry. J Prosthet Dent. 1991;65:848–853
  62. Drago CJ. Tarnish and corrosion with the use of intraoral magnets. J Prosthet Dent. 1991;66:536–540
  63. Kitsugi A, Okuno O, Nakano T, Hamanaka H, Kuroda T. The corrosion behavior of Nd2Fe4B and SmCo5 magnets. Dent Mater J. 1992;11:119–129
  64. Gendusa NJ. Magnetically retained overlay dentures. Quintessence Int. 1988;19:265–271
  65. Davis DM, Packer ME. Mandibular overdentures stabilized by Astra Tech implants with either ball attachments or magnets: 5-year results. Int J Prosthodont. 1999;12:222–229
  66. Boice GW, Kraut RA. Maxillary denture retention using rare earth magnets and endosteal implants. Int J Oral Implantol. 1991;7:23–27
  67. Wilson M, Patel H, Kpendema H, Noar JH, Hunt NP, Mordan NJ. Corrosion of intra-oral magnets by multi-species biofilms in the presence and absence of sucrose. Biomaterials. 1997;18:53–57
  68. Wilson M, Kpendema H, Noar JH, Hunt N, Mordan NJ. Corrosion of intraoral magnets in the presence and absence of biofilms of Streptococcus sanguis. Biomaterials. 1995;16:721–725

☆ aRecent PhD graduate, School of Metallurgy and Materials, The University of Birmingham.

☆☆ bProfessor, School of Dentistry, St. Chad's Queensway.

★ cProfessor, School of Metallurgy and Materials, The University of Birmingham.

★★ Reprint requests to:, Professor A. Damien Walmsley, School of Dentistry, St Chad's Queensway, Birmingham B4 6NN, United Kingdom, Fax: (44)121-625-8815, E-mail: a.d.walmsley@bham.ac.uk

PII: S0022-3913(01)10028-4

doi: 10.1067/mpr.2001.115533

Journal of Prosthetic Dentistry
Volume 86, Issue 2 , Pages 137-142 , August 2001

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