Journal of Prosthetic Dentistry
Volume 92, Issue 1 , Pages 27-34 , July 2004

Evaluation of disinfected casts poured in gypsum with gum arabic and calcium hydroxide additives

  • Khalid M. Abdelaziz, BDS, MScD, PhD

      Affiliations

    • Formerly Visiting Assistant Professor, Minnesota Dental Research Center for Biomaterials and Biomechanics, School of Dentistry, University of Minnesota. Lecturer, Department of Dental Materials, Faculty of Dentistry, Mansoura University Egypt
    • Corresponding Author InformationReprint requests to: Dr Khalid M. Abdelaziz Department of Dental Materials Faculty of Dentistry Mansoura University Mansoura, DK 35516 EGYPT. Fax: (2) 050-226-0173
    • ,
  • Ahmed Attia, MScD, PhD

      Affiliations

    • Lecturer, Department of Conservative Dentistry and Fixed Prosthodontics, Faculty of Dentistry, Mansoura University Egypt
    • ,
  • Edward C. Combe, PhD, DSc

      Affiliations

    • Professor, Minnesota Dental Research Center for Biomaterials and Biomechanics, School of Dentistry, University of MinnesotaUSA

References 

  1. Chaffee NR, Bailey JH, Sherraed DJ. Dimensional accuracy of improved dental stone and epoxy resin die materials (Part I: Single die). J Prosthet Dent. 1997;77:131–135
  2. Chaffee NR, Bailey JH, Sherraed DJ. Dimensional accuracy of improved dental stone and epoxy resin die materials (Part II: Complete arch form). J Prosthet Dent. 1997;77:235–238
  3. Bailey JH, Donovan TE, Preston JD. The dimensional accuracy of improved dental stone, silverplated, and epoxy resin die materials. J Prosthet Dent. 1988;59:307–310
  4. In:  Anusavice KJ editors. Phillips' science of dental materials. 10th ed.. St. Louis: Elsevier; 1996;p. 85
  5. Craig RG, Powers JM, Wataha JC. Dental materials: properties and manipulation. 7th ed.. St. Louis: Elsevier; 1999; p. 185
  6. Rosenstiel SF, Fujimoto J, Land M. Contemporary fixed prosthodontics. 3rd ed.. St. Louis: Elsevier; 2000; p. 431
  7. Firtell DN, Moore DJ, Pelleu GB. Sterilization of impression materials for use in surgical operating room. J Prosthet Dent. 1972;27:419–422
  8. Leung RL, Schonfeld SE. Gypsum casts as a potential source of microbial cross-contamination. J Prosthet Dent. 1983;49:210–211
  9. Rowe AH, Forrest JO. Dental impressions: the probability of contamination and a method of disinfection. Br Dent J. 1978;145:184–186
  10. Whyte MP, Brockhurst PJ. The effect of steam sterilization on the properties of set dental gypsum. Models Aust Dent J. 1996;41:128–133
  11. Schutt RW. Bactericidal effect of a disinfected dental stone on irreversible hydrocolloid impressions and stone casts. J Prosthet Dent. 1989;62:605–607
  12. Sarma AC, Neiman R. A study on the effect of disinfectant chemicals on physical properties of die stone. Quintessence Int. 1990;21:53–59
  13. Davis BA, Powers JM. Effect of immersion disinfection on properties of impression materials. J Prosthodont. 1994;3:31–34
  14. Holtan JR, Olin PS, Rudney JD. Dimensional stability of polyvinylsiloxane impression material following ethylene oxide and steam autoclave sterilization. J Prosthet Dent. 1991;65:519–525
  15. Ivanovski S, Savage NW, Brockhurst PJ, Bird PS. Disinfection of dental stone casts: antimicrobial effects and physical property alterations. Dent Mater. 1995;11:19–23
  16. Breault LG, Paul JR, Hondrum SO, Christensen LC. Die stone disinfection: incorporation of sodium hypochlorite. J Prosthodont. 1998;7:13–16
  17. Abdelaziz KM, Combe EC, Hodges JS. The effect of disinfectants on the properties of dental gypsum: 1. Mechanical properties. J Prosthodont. 2002;11:161–167
  18. Abdelaziz KM, Combe EC, Hodges JS. The effect of disinfectants on the properties of dental gypsum: 2. Surface properties. J Prosthodont. 2002;11:234–240
  19. Sanad ME, Combe EC, Grant AA. The use of additives to improve the mechanical properties of gypsum products. J Dent Res. 1982;61:808–810
  20. Alsadi S, Combe EC, Cheng YS. Properties of gypsum with addition of gum arabic and calcium hydroxide. J Prosthet Dent. 1996;76:530–534

☆ Presented by the first author at the 13th International Alexandria Dental Congress, Alexandria, Egypt, October 29 through November 1, 2002.

PII: S0022-3913(04)00206-9

doi: 10.1016/j.prosdent.2004.04.004

Journal of Prosthetic Dentistry
Volume 92, Issue 1 , Pages 27-34 , July 2004

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