A new equation is proposed for the description of the static creep of dental amalgam. It is satisfactory for a wide range of stresses and strain rates in static creep experiments during steady state. The hypothesis was confirmed that creep of dental amalgam is determined by the low melting phases.
Get full access to this article
View all access options for this article.
References
1.
Mahler, D.B.; Terkla, L.G.; Van Eysden, J.; and Reisbick, M.H.: Marginal Fracture vs Mechanical Properties of Amalgam, J Dent Res49: 1452-1457, 1970.
2.
Binon, P.; Phillips, R.W.; Swartz, M.L.; Norman, R.D.; and Mehra, R.: Clinical Behavior of Amalgam as Related to Certain Mechanical Properties , J Dent Res52 (Special Issue) : Abstract No. 190, 1973.
3.
Terkla, L.G.; Mahler, D.B.; and Van Eysden, J.: Analysis of Amalgam Cavity Design, J Prosthet Dent29: 204-209, 1973.
4.
Stanford, J.W.: Draft International Standard R 1559: Alloy for Dental Amalgam, Sydney, Joint Workinggroup ISO/TC 106 and FDI, 1973, p 5.
5.
Oglesby, P.L. ; Dickson, G.; Rodriguez , M.L.; Davenport, R.M.; and Sweeney, W.T.: Viscoelastic Behavior of Dental Amalgam , J Res Natl Bur Stand72C: 203-213, 1968.
6.
Dickson, G.; Oglesby, P.; and Davenport, R.M.: The Steady-State Creep Behavior of Dental Amalgam, J Res Natl Bur Stand72C: 215-218, 1968.
7.
Vrijhoef, M.M.A. , and Driessens, F.C.M.: Method to Determine the Probability of Marginal Fracture of Dental Amalgam Fillings, J Dent Res51: 862, 1972.
Mahler, D.B. , and Van Eysden , J.: Dynamic Creep of Dental Amalgam, J Dent Res48: 501-508, 1969.
10.
Guide to Dental Materials and Devices, 6th ed, Chicago: American Dental Association , 1972-1973, p 168.
11.
Dreyer Jorgensen, K., and Nielsen, M.R.: The Influence of the Condensation Pressure upon Crushing Strength and Mercury Content of Amalgam, Acta Odontol Scand22: 539-545, 1964.
12.
Beyer, W.H.: Handbook of Tables for Probability and Statistics. 2nd ed, Cleveland: Chemical Rubber Co., 1968, pp 394-396.