Corrosion studies have been carried out on dental amalgams with and without additions of stannous fluoride to the alloy before trituration. Corrosion studies also were carried out with additions of sodium fluoride and stannous fluoride to test solutions. When added to the amalgam, stannous fluoride caused a decided increase in its deterioration. Addition of stannous fluoride to the test solution had no effect on corrosion, whereas addition of sodium fluoride to the solution decidedly increased the corrosion rate.
Get full access to this article
View all access options for this article.
References
1.
Guthrow, C.E. ; Johnson, L.B.; and Lawless, K.R.: Corrosion of Dental Amalgam and Its Component Phases, J Dent Res46:1372, 1967.
2.
Schoonover, I.C., and Souder, W.: Corrosion of Dental Alloys, JADA28:1278, 1941.
3.
Johnson, L.B. , and Lawless, K.R.: Stress Corrosion Cell for Dental Amalgam , J Dent Res47:1194, 1968.
4.
Ryge, G.: Dental Amalgam, Dent Clin N A, 185: March 1965.
5.
Jerman, A.C. : Silver Amalgam Restorative Material with SnF2 , JADA80:7871970.
6.
Minoguchi, G. ; Toni, Y.; and Tomar, S.: Studies on Stannous Fluoride Containing Amalgam for Caries Prevention, J Japan Res Soc Dent Materials and Appliances, 16:99, 1967.
7.
Schaap, W.B. ; Davis, J.A.; and Nebergall , W.H.: Polarographic Study of the Complex Ions of Tin in Fluoride Solutions, J Amer Chem Soc76:5226, 1954.
8.
Woolf, A.A., and Emeleus, H.J.; Bromine Trifluoride as an Ionizing Solvent, J Chem Soc2865, 1949.
9.
Muetterties, E.L.; Chemistry of the Difluorides of Germanium and Tin, Inorganic Chem1:342, 1962.
10.
Kriegsmann, H., and Kessler, G.: Tin Compounds III. Fluorocomplex Compounds of di-and Tetravolent Tin, and the Partial Hydrolysis of SnCIF, Z Anorg Chem318: 266, 1962.
