Aim: The aims of this study were: a) to verify if the instructions displayed on the packages and labels of dental plaster available for purchase in the city of Porto Alegre are in accordance with the Brazilian laws. and b) to analyze how information is available on packages and labels of dental plaster acquired by dentists. Methods: For this study. it was used the method proposed by S... https://www.mamapaisa.com/product-category/waver/