Journal of Prosthetic Dentistry
Volume 102, Issue 5 , Pages 313-318 , November 2009

Delayed setting and hygroscopic linear expansion of three gypsum products used for cast articulation

  • Konstantinos X. Michalakis, DDS, MSc, PhD

      Affiliations

    • Adjunct Associate Professor, Department of Prosthodontics and Operative Dentistry, Division of Graduate and Postgraduate Prosthodontics, Tufts University School of Dental Medicine, Boston, Mass; Assistant Professor, Department of Removable Prosthodontics, Aristotle University School of Dentistry, Thessaloniki, Greece; private practice; Thessaloniki, Greece, Boston, Mass
    • Corresponding Author InformationCorresponding author: Dr Konstantinos X. Michalakis, 3, Greg.Palama str., Thessaloniki 546 22, GREECE, Fax: +30 2310 272-228
    • ,
  • Athanasios Stratos, DDS

      Affiliations

    • Former Resident, Division of Graduate and Postgraduate Prosthodontics, Tufts University School of Dental Medicine, Boston, Mass; private practice, Thessaloniki, Greece, Boston, Mass
    • ,
  • Hiroshi Hirayama, DDS, DMD, MS

      Affiliations

    • Professor, Director of Graduate and Postgraduate Prosthodontics, Tufts University School of Dental Medicine, Boston, Mass
    • ,
  • Argiris L. Pissiotis, DDS, MS, PhD

      Affiliations

    • Professor, Department of Removable Prosthodontics, Aristotle University School of Dentistry, Thessaloniki, Greece
    • ,
  • Foteini Touloumi, DDS

      Affiliations

    • Private practice, Thessaloniki, Greece

References 

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  2. Heshmati RH , Nagy WW , Wirth CG , Dhuru VB . Delayed linear expansion of improved dental stone . J Prosthet Dent . 2002;88:26–31
  3. Anusavice KJ . In: Phillips' science of dental materials . 11th ed. St. Louis: Elsevier; 2003;p. 255–281
  4. O'Brien WJ . In: Dental materials and their selection . 4th ed. Chicago: Quintessence; 2008;p. 38–61
  5. American National Standards/American Dental Association Specification No. 25  . In: Dental gypsum products . New York: American National Standards Institute; 2000;p. 244–253
  6. Rosenstiel SF , Land MF , Fujimoto J . In: Contemporary fixed prosthodontics . 4th ed. St. Louis: Elsevier; 2006;p. 544–547
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  12. Santos JF , Ballester RY . Delayed “hygroscopic” expansion of gypsum products . J Prosthet Dent . 1984;52:366–370
  13. Lyon HW , Dickson G , Schoonover IC . The mechanism of hygroscopic expansion in dental casting investments . J Dent Res . 1955;34:44–50
  14. Ryge G , Fairhurst CW . Hygroscopic expansion . J Dent Res . 1956;35:499–508
  15. Mahler DB , Ady AB . An explanation for the hygroscopic setting expansion of dental gypsum products . J Dent Res . 1960;39:578–589
  16. Holst K . Unintended hygroscopic expansion of dental stone and investment . Acta Odontol Scand . 1962;20:197–203
  17. International Organization for Standardization (ISO)  . ISO 6873:1988. Dental gypsum products . Geneva: International Organization for Standardization; 1998; Available at: http://www.iso.org/iso/search.htm?qt=ISO+6873%3A1998&searchSubmit=Search&sort=rel&type=simple&published=on

PII: S0022-3913(09)60181-5

doi: 10.1016/S0022-3913(09)60181-5

Journal of Prosthetic Dentistry
Volume 102, Issue 5 , Pages 313-318 , November 2009

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