Spherical amalgam specimens were burnished, burnished-polished, polished (wet), or polished (dry). The amalgams were sectioned normal to the prepared surface, elemental analyses were made at a series of depths from the surface with the electron microprobe and the phase fractions were calculated. Significant variations in phase distributions exist within 100 μm of the surface.
Get full access to this article
View all access options for this article.
References
1.
Fusayama, T. and Hayashi, K.: Microstructure of Amalgam Surfaces, J Dent Res49:733-741,1970.
2.
Chan, K.C.; Edie, J.W.; and Boyer, D.B.: Microstructure Study of Amalgam Surfaces, J Prosth Dent36:644-648, 1976.
3.
Boyer, D.B.; Edie, J.W.; and Chan, K.C.: Effect of Surface Preparation on Phase Distribution of Amalgam Surfaces, J Dent Res57:271-276, 1978.
4.
Guthrow, C.E. ; Johnson, L.B.; and Lawless, K.R.: Corrosion of Dental Amalgam and Its Component Phases, J Dent Res46:1372-1381,1967.
5.
Mateer, R.S. and Reitz, C.D.: Corrosion of Amalgam Restorations, J Dent Res49: 399-407, 1970.
6.
Svare, C.W. and Chan, K.C.: Effect of Surface Treatment on the Corrodibility of Dental Amalgam, J Dent Res51:44-47, 1972.
7.
Boyer, D.B. and Chan, K.C.: The Effect of Surface Finish on the Anodic Polarization of a Conventional Spherical Amalgam, J Biomed Mat Res12:541-555, 1978.
8.
Charbeneau, G.T.: A Suggested Technic for Polishing Amalgam Restorations, J Mich State Dent Assoc47:320-325, 1965.
9.
Kanai, S.: Structure Studies of Amalgam. II. Effect of Burnishing on the Margins of Occlusal Amalgam Fillings, Acta Odont Scand24:47-53, 1966.
10.
Colby, J.W.: Quantitative Microprobe Analysis of Thin Insulating Films, Advances in X-ray Analysis, II, New York: Plenum Press , 1958, pp. 287-305.
11.
Mahler, D.B. ; Adey, J.D.; and Van Eysden , J.: Quantitative Microprobe Analysis of Amalgam, J Dent Res54:218-226, 1975.
12.
Edie, J.W. ; Boyer, D.B.; and Chan, K.C.: Estimation of the Phase Distribution in Dental Amalgam with the Electron Microprobe , J Dent Res57:277-282, 1978.
13.
Swartz, M.L. and Phillips, R.W.: Residual Mercury Content of Amalgam Restorations and Its Influence on Compressive Strength, J Dent Res34:458, 1956.
14.
Wilson, R.T. ; Phillips, R.W.; and Norman, R.D.: Influence of Certain Condensation Procedures Upon the Mercury Content of Amalgam Restorations, J Dent Res36: 458-461, 1957.
15.
Mitchell, J.A. ; Dickson, G.; and Schoonover , I.C.: X-ray Diffraction Studies of Mercury Diffusion and Surface Stability of Dental Amalgam, J Dent Res34:744, 1955.
16.
Barr, A.J.; Goodnight, J.H.; Sall, J.P.; and Helwig, J.T.: A User's Guide to SAS 76, SAS Institute, Inc., Raleigh, North Carolina. 1976.
