American National Standards Institute/American Dental Association Specification no. 52 for uranium content in dental porcelain and porcelain teeth. Council on Dental Materials and Devices.

1. American Dental Association Specification No. 52 for Uranium Content in Dental Porcelain and Porcelain Teeth has been approved by the Council on Dental Materials and Devices of the American Dental Association. The formulation of this and other specifications for dental materials and devices is being carried on through subcommittees of the American National Standards Committee MD156 for Dental Materials and Devices. The Council on Dental Materials and Devices acts as the administrative sponsor of that committee, which has representation from all interests in the United States in the standardization of materials, equipment, and instruments in dentistry. The Council has adopted the specifications showing professional recognition of their usefulness in dentistry and has forwarded them to the American National Standards Institute with a recommendation that the specifications be approved as American National Standards. Approval of ADA Specification No. 52 as an American National Standard was granted by the American National Standards Institute on Sept 8, 1978. This specification will become effective one year from date of publication in The Journal of the American Dental Association.t The Council acknowledges, with thanks, the work of the subcommittee members who formulated the standard: