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1863815 
Journal Article 
EVALUATION OF A CHEMICAL ETCHING SOLUTION FOR NICKEL-CHROMIUM-BERYLLIUM AND CHROMIUM-COBALT ALLOYS 
Ferrari, M; Cagidiaco, MC; Borracchini, A; Bertelli, E 
1989 
Yes 
Journal of Prosthetic Dentistry
ISSN: 0022-3913 
62 
5 
516-521 
English 
2691655 
WOS:A1989AX59600007 
Two chemical etching solutions were capable of providing micromechanical retention in two nickel-chromium-beryllium alloys and in a chromium-cobalt alloy. A resin matrix was used to verify the quality of etching on the metal surfaces. The chemical etching solutions created high microretentive surfaces in nickel-chromium-beryllium alloy but the chromium-cobalt alloy surfaces after etching were less retentive. Improved chemical etching technique should encourage expanded use of the resin-bonded retainers.