| Johnson's method | A method of filling the root canals of teeth by dissolving gutta-percha cones in a chloroform-rosin medium within the root canal. Synonym: Callahan's method, Johnson's method. (05 Mar 2000) |
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| Johnson, Treat Baldwin | <person> U.S. Chemist, 1875-1947. See: Wheeler-Johnson test. (05 Mar 2000) |
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