Azevedo, Andrea, Ana Lucia Machado, Carlos Eduardo Vergani, Eunice Teresinha Giampaolo, and Ana Cláudia Pavarina. 2005. “ Hardness of Denture Base and Hard Chair-Side Reline Acrylic Resins ”. Journal of Applied Oral Science 13 (3): 291-95. https://doi.org/10.1590/S1678-77572005000300017.