Second revision of American Dental Association Specification No. 4 for Dental Inlay Casting Wax

Abstract

Revisions o f the American Dental Asso­ ciation specifications for dental materials are usually made as test methods, mate­ rials and uses are developed. T he “ Pro­ cedure for Formulating and Revising American Dental Association Specifica­ tions” is given in American Dental Asso­ ciation Specifications for Dental Materials 1960-1961} Usually a subcommittee o f the Specifications Committee o f the D en­ tal Materials Group (International Asso­ ciation for Dental Research) is given the task of revising or formulating a specifica­ tion. This tentative revision or formula­ tion serves as the basis for the various steps involved in processing a specification to completion. The subcommittee in­ volved in the revision o f the American Dental Association Specification No. 4 for Inlay Casting W ax included George C. Paffenbarger, senior research associate, American Dental Association Research Division, National Bureau o f Standards, Washington, D . C., chairman; William H. Crawford, dean, School of Dentistry, University of Minnesota, Minneapolis; William F. Talbot, formerly vice-presi­ dent for research, Kerr Manufacturing Company, Detroit; J. R . Reasonberg, chief, research and development, Mizzy, Inc., Clifton Forge, V a .; Frank J. Demsko, chief chemist, The S. S. White Dental Manufacturing Company, Prince Bay, Staten Island, N. Y .; and John W. Stanford, research associate, American Dental Association Research Division, National Bureau o f Standards, Washing­ ton, D . C., secretary.