Journal of Prosthetic Dentistry
Volume 90, Issue 5 , Pages 441-446 , November 2003

Influence of surface hardener on gypsum abrasion resistance and water sorption

  • Terry J Lindquist, DDS, MS

      Affiliations

    • Associate Professor, Department of Prosthodontics, College of Dentistry, University of Iowa, Iowa City, Iowa, USA
    • Corresponding Author InformationReprint requests to: Dr Terry J. Lindquist, Department of Prosthodontics, College of Dentistry, Iowa City, Iowa 52242, USA, Fax: 319-353-4278
    • ,
  • Clark M Stanford, DDS, PhD

      Affiliations

    • Professor, Dows Institute for Dental Research, Iowa City, Iowa, USA
    • ,
  • Eric Knox, DDS

      Affiliations

    • Oral Surgery Resident, Metropolitan Hospital, New York, NY, USA

References 

  1. Schwedhelm ER, Lepe X. Fracture strength of type IV and type V die stone as a function of time. J Prosthet Dent. 1997;78:554–559
  2. Fan PL, Powers JM, Reid BC. Surface mechanical properties of stone, resin, and metal dies. J Am Dent Assoc. 1981;103:408–411
  3. Fairhurst CW. Compressive properties of dental gypsum. J Dent Res. 1960;39:812–824
  4. Peyton FA, Leibold JP, Ridgley GV. Surface hardness, compressive strength, and abrasion resistance of indirect die stones. J Prosthet Dent. 1952;2:381–389
  5. Lyon HE, Mitchell RJ, Patterson T. A comparison of abrasion resistance of dental stones. Dent Mater. 1987;3:49–51
  6. Craig RG, Powers JM. Restorative dental materials. 11th ed. St. Louis: Elsevier Science; 2001;
  7. Toreskog S, Phillips RW, Schnell RJ. Properties of die materials (a comparative study). J Prosthet Dent. 1966;16:119–131
  8. Fukui H, Lacy AM, Jendresen MD. Effectiveness of hardening films on die stone. J Prosthet Dent. 1980;44:57–63
  9. Richardson DW, Fletcher VA, Gardner LK, Allen JD. Film thickness of die coating agents. J Prosthet Dent. 1991;66:431–434
  10. Lyon HE, Mitchell RJ. Abrasion resistance of coated gypsum dies. Oper Dent. 1983;8:2–5
  11. Stern MA, Johnson GH, Toolson LB. An evaluation of dental stones after repeated exposure to spray disinfectants. Part I (Abrasion and compressive strength). J Prosthet Dent. 1991;65:713–718
  12. Williams GJ, Bates JF, Wild S. The effect of surface treatment of dental stone with resins. Quintessence Dent Technol. 1983;7:41–45
  13. Bajada SB, Makinson OF. The effect of some surface treatments to dental modeling stones. Aust Dent J. 1974;19:118–121
  14. Duke P, Moore BK, Haug SP, Andres CJ. Study of the physical properties of type IV gypsum, resin-containing, and epoxy die materials. J Prosthet Dent. 2000;83:466–473
  15. Eames WB, Edwards CR, Buck WH. Scraping resistance of dental die materials (a comparison of brands). Oper Dent. 1978;3:66–72
  16. Lindquist TJ, Stanford CM. Development and application of a new abrasion testing device. J Prosthet Dent. 2000;84:635–641

☆ Supported by University of Iowa College of Dentistry Dows Award Program.

PII: S0022-3913(03)00544-4

doi: 10.1016/S0022-3913(03)00544-4

Journal of Prosthetic Dentistry
Volume 90, Issue 5 , Pages 441-446 , November 2003

Article Tools

* Image Usage & Resolution