| Callahan'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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| Callahan, John | <person> U.S. Endodontist, 1853-1918. See: Callahan's method. (05 Mar 2000) |