Historical
ANSI/ADA Specification No. 87-1995
Dental Impression Trays
This specification applies to reusable and disposable impression trays used in dentistry for delivering impression materials into the oral cavity for the purpose of making impressions (negative copies) of teeth and oral tissues. It applies to trays made of plastic, aluminum, stainless steel and nickel or chrome plated brass for the purposes of full arch dentulous or edentulous, partially edentulous, partial arch and water cooled impressions.
CONTENT PROVIDER
American Dental Association [ada]
American Dental Association [ada]